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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-K

        ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended December 31, 20192021

or

        TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from _______________ to _______________

Commission file number: 001-31899

GraphicGraphic

WHITING PETROLEUM CORPORATION

(Exact name of registrant as specified in its charter)

Delaware

20-0098515

(State or other jurisdiction
of incorporation or organization)

(I.R.S. Employer
Identification No.)

1700 Lincoln Street, Suite 4700
Denver, Colorado

80203-4547

(Address of principal executive offices)

(Zip code)

(303) 837-1661

(Registrant’s telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:

Common Stock, $0.001 par value

WLL

New York Stock Exchange

(Title of each class)

(Trading Symbol)

(Name of each exchange on which registered)

Securities registered pursuant to Section 12(g) of the Act: None.

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.    Yes      No  

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15(d) of the Act.    Yes      No  

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.   Yes      No  

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Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).   Yes      No  

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company.  See the definitions of “large accelerated filer”, “accelerated filer”, “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer

Smaller reporting company

Accelerated filer

Emerging growth company

Non-accelerated filer

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  

Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report.  

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).   Yes      No  

Indicate by check mark whether the registrant has filed all documents and reports required to be filed by Sections 12, 13, or 15(d) of the Securities Exchange Act of 1934 subsequent to the distribution of securities under a plan confirmed by a court.   Yes      No  

Aggregate market value of the voting common stock held by non-affiliates of the registrant at June 30, 2019:  $1,693,000,000.2021:  $2,126,000,000.

Number of shares of the registrant’s common stock outstanding at February 20, 2020: 91,813,90817, 2022: 39,240,791 shares.

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the Proxy Statement for the 20202022 Annual Meeting of Stockholders are incorporated by reference into Part III.

III.

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TABLE OF CONTENTS

Glossary of Certain Definitions

13

PART I

Item 1.

Business

57

Item 1A.

Risk Factors

1820

Item 1B.

Unresolved Staff Comments

3637

Item 2.

Properties

3638

Item 3.

Legal Proceedings

4244

Item 4.

Mine Safety Disclosures

4244

Information about our Executive Officers

4345

PART II

Item 5.

Market for the Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities

4546

Item 6.

Selected Financial DataReserved

4749

Item 7.

Management’s Discussion and Analysis of Financial Condition and Results of Operations

4849

Item 7A.

Quantitative and Qualitative Disclosures about Market Risk

6463

Item 8.

Financial Statements and Supplementary Data

65

Item 9.

Changes in and Disagreements with Accountants on Accounting and Financial Disclosure

105112

Item 9A.

Controls and Procedures

105112

Item 9B.

Other Information

106113

Item 9C.

Disclosure Regarding Foreign Jurisdictions that Prevent Inspections

113

PART III

Item 10.

Directors, Executive Officers and Corporate Governance

107114

Item 11.

Executive Compensation

107114

Item 12.

Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters

107114

Item 13.

Certain Relationships, Related Transactions and Director Independence

108114

Item 14.

Principal Accounting Fees and Services

108115

PART IV

Item 15.

Exhibits and Financial Statement Schedules

108115

Item 16.

Form 10-K Summary

108115

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GLOSSARY OF CERTAIN DEFINITIONS

Unless the context otherwise requires, the terms “we”, “us”,“we,” “us,” “our” or “ours” when used in this Annual Report on Form 10-K refer to Whiting Petroleum Corporation, together with its consolidated subsidiaries.  When the context requires, we refer to these entities separately.

We have included below the definitions for certain terms used in this Annual Report on Form 10-K:

“ASC” Accounting Standards Codification.

Bankruptcy Code” Title 11 of the United States Code.

“Bankruptcy Court” United States Bankruptcy Court for the Southern District of Texas.

“basis swap” or “differential swap” A derivative instrument that guarantees a fixed price differential to NYMEX at a specified delivery point.  We receive the difference between the floating market price differential and the fixed price differential from the counterparty if the floating market differential is greater than the fixed price differential for the hedged commodity.  We pay the difference between the floating market price differential and the fixed price differential to the counterparty if the fixed price differential is greater than the floating market differential for the hedged commodity.

Bbl” One stock tank barrel, or 42 U.S. gallons liquid volume, used in this report in reference to oil, NGLs and other liquid hydrocarbons.

“Bcf” One billion cubic feet, used in reference to natural gas.

“Board” The board of directors of Whiting Petroleum Corporation.

“BOE” One stock tank barrel of oil equivalent, computed on an approximate energy equivalent basis that one Bbl of crude oil equals six Mcf of natural gas and one Bbl of crude oil equals one Bbl of natural gas liquids.

“Btu” or “British thermal unit” The quantity of heat required to raise the temperature of one pound of water one degree Fahrenheit.

“completion” The process of preparing an oil and gas wellbore for production through the installation of permanent production equipment, as well as perforation and fracture stimulation to optimize production.

costless collar”Credit Agreement” An option position where the proceeds from the saleA reserves-based credit facility with a syndicate of a call option at its inception fund the purchase of a put option at its inception.  A collar can also contain an additional sold put option.banks that was entered into by Whiting Petroleum Corporation, as parent guarantor, and Whiting Oil and Gas Corporation, as borrower on September 1, 2020.  Refer to “three-way collar”the Long-Term Debt footnote in Item 8. “Financial Statements and Supplementary Data” of this Annual Report on Form 10-K for more information.

“deterministic method” The method of estimating reserves or resources using a single value for each parameter (from the geoscience, engineering or economic data) in the reserves calculation.

“development well” A well drilled within the proved area of an oil or natural gas reservoir to the depth of a stratigraphic horizon known to be productive.

“differential” The difference between a benchmark price of oil and natural gas, such as the NYMEX crude oil spot price, and the wellhead price received.

“dry hole” or “dry well” A well found to be incapable of producing either oil or gas in sufficient quantities to justify completion as an oil or gas well.

“EOR” Enhanced oil recovery.

“exploratory well” A well drilled to find a new field or to find a new reservoir in a field previously found to be productive of oil or natural gas in another reservoir.

“extension well” A well drilled to extend the limits of a known reservoir.

“FASB” Financial Accounting Standards Board.

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“field” An area consisting of a single reservoir or multiple reservoirs all grouped on or related to the same individual geological structural feature and/or stratigraphic condition.  There may be two or more reservoirs in a field that are separated vertically by intervening impervious strata, or laterally by local geologic barriers, or both.  Reservoirs that are associated by being in overlapping or adjacent fields may be treated as a single or common operational field.  The geological terms “structural feature” and “stratigraphic condition” are intended to identify localized geological features as opposed to the broader terms of basins, trends, provinces, plays, areas of interest, etc.

“GAAP” Generally accepted accounting principles in the United States of America.

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“gross acres” or “gross wells” The total acres or wells, as the case may be, in which a working interest is owned.

“ISDA” International Swaps and Derivatives Association, Inc.

“lease operating expense” or “LOE” The expenses of lifting oil or gas from a producing formation to the surface, constituting part of the current operating expenses of a working interest, and also including labor, superintendence, supplies, repairs, short-lived assets, maintenance, allocated overhead costs and other expenses incidental to production, but not including lease acquisition or drilling or completion expenses.

“LIBOR” London interbank offered rate.

“MBbl” One thousand barrels of oil, NGLs or other liquid hydrocarbons.

“MBbl/d” One MBbl per day.

“MBOE” One thousand BOE.

“MBOE/d” One MBOE per day.

“Mcf” One thousand cubic feet, used in reference to natural gas.

“MMBbl” One million barrels of oil, NGLs or other liquid hydrocarbons.

“MMBOE” One million BOE.

“MMBtu” One million British Thermal Units, used in reference to natural gas.

“MMcf” One million cubic feet, used in reference to natural gas.

“MMcf/d” One MMcf per day.

“net acres” or “net wells” The sum of the fractional working interests owned in gross acres or wells, as the case may be.

“net production” The total production attributable to our fractional working interest owned.

“NGL” Natural gas liquid.

“NYMEX” The New York Mercantile Exchange.

“PDNP” Proved developed nonproducing reserves.

“PDP” Proved developed producing reserves.

“plugging and abandonment” Refers to the sealing off of fluids in the strata penetrated by a well so that the fluids from one stratum will not escape into another or to the surface.  Regulations of most states legally require plugging of abandoned wells.

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“pre-tax PV10%” The present value of estimated future revenues to be generated from the production of proved reserves calculated in accordance with the guidelines of the SEC, net of estimated lease operating expense, transportation, gathering, compression and other expense, production taxes, future development costs and future developmentabandonment costs, using costs as of the date of estimation without future escalation and using an average of the first-day-of-the-month price for each of the 12 months within the fiscal year, without giving effect to non-property related expenses such as general and administrative expenses, debt service and depreciation, depletion and amortization, or federal income taxes and discounted using an annual discount rate of 10%.  Pre-tax PV10% may be considered a non-GAAP financial measure as defined by the SEC.  Refer to the footnote to the Proved Reserves table in Item 1. “Business” of this Annual Report on Form 10-K for more information.

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“probabilistic method” The method of estimating reserves using the full range of values that could reasonably occur for each unknown parameter (from the geoscience and engineering data) to generate a full range of possible outcomes and their associated probabilities of occurrence.

“prospect” A property on which indications of oil or gas have been identified based on available seismic and geological information.

“proved developed reserves” Proved reserves that can be expected to be recovered through existing wells with existing equipment and operating methods or in which the cost of the required equipment is relatively minor compared to the cost of a new well.

“proved reserves” Those reserves which, by analysis of geoscience and engineering data, can be estimated with reasonable certainty to be economically producible—from a given date forward, from known reservoirs and under existing economic conditions, operating methods and government regulations—prior to the time at which contracts providing the right to operate expire, unless evidence indicates that renewal is reasonably certain, regardless of whether deterministic or probabilistic methods are used for the estimation.  The project to extract the hydrocarbons must have commenced, or the operator must be reasonably certain that it will commence the project, within a reasonable time.

The area of the reservoir considered as proved includes all of the following:

a.The area identified by drilling and limited by fluid contacts, if any, and
b.Adjacent undrilled portions of the reservoir that can, with reasonable certainty, be judged to be continuous with it and to contain economically producible oil or gas on the basis of available geoscience and engineering data.

Reserves that can be produced economically through application of improved recovery techniques (including, but not limited to, fluid or carbon dioxide injection) are included in the proved classification when both of the following occur:

a.Successful testing by a pilot project in an area of the reservoir with properties no more favorable than in the reservoir as a whole, the operation of an installed program in the reservoir or an analogous reservoir, or other evidence using reliable technology establishes the reasonable certainty of the engineering analysis on which the project or program was based, and
b.The project has been approved for development by all necessary parties and entities, including governmental entities.

Existing economic conditions include prices and costs at which economic producibility from a reservoir is to be determined.  The price shall be the average price during the 12-month period before the ending date of the period covered by the report, determined as an unweighted arithmetic average of the first-day-of-the-month price for each month within such period, unless prices are defined by contractual arrangements, excluding escalations based upon future conditions.

“proved undeveloped reserves” or “PUDs” Proved reserves that are expected to be recovered from new wells on undrilled acreage, or from existing wells where a relatively major expenditure is required for recompletion.  Reserves on undrilled acreage shall be limited to those directly offsetting development spacing areas that are reasonably certain of production when drilled, unless evidence using reliable technology exists that establishes reasonable certainty of economic producibility at greater distances.  Undrilled locations can be classified as having undeveloped reserves only if a development plan has been adopted indicating that they are scheduled to be drilled within five years, unless specific circumstances justify a longer time.  Under no circumstances shall estimates of proved undeveloped reserves be attributable to any acreage for which an application of fluid injection or other improved recovery technique is contemplated, unless such techniques have been proved effective by actual projects in the same reservoir or an analogous reservoir, or by other evidence using reliable technology establishing reasonable certainty.

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“reasonable certainty” If deterministic methods are used, reasonable certainty means a high degree of confidence that the quantities will be recovered.  If probabilistic methods are used, there should be at least a 90 percent probability that the quantities actually recovered will equal or exceed the estimate.  A high degree of confidence exists if the quantity is much more likely to be achieved than not, and, as changes due to increased availability of geoscience (geological, geophysical and geochemical) engineering, and economic data are made to estimated ultimate recovery with time, reasonably certain estimated ultimate recovery is much more likely to increase or remain constant than to decrease.

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“recompletion” An operation whereby a completion in one zone is abandoned in order to attempt a completion in a different zone within the existing wellbore.

“reserves” Estimated remaining quantities of oil and gas and related substances anticipated to be economically producible, as of a given date, by application of development projects to known accumulations.  In addition, there must exist, or there must be a reasonable expectation that there will exist, the legal right to produce or a revenue interest in the production, installed means of delivering oil and gas or related substances to market, and all permits and financing required to implement the project.

“reservoir” A porous and permeable underground formation containing a natural accumulation of producible crude oil and/or natural gas that is confined by impermeable rock or water barriers and is individual and separate from other reservoirs.

“resource play” An expansive contiguous geographical area with known accumulations of crude oil or natural gas reserves that has the potential to be developed uniformly with repeatable commercial success due to advancements in horizontal drilling and completion technologies.

“royalty” The amount or fee paid to the owner of mineral rights, expressed as a percentage or fraction of gross income from crude oil or natural gas produced and sold, unencumbered by expenses relating to the drilling, completing or operating of the affected well.

“royalty interest” An interest in an oil or natural gas property entitling the owner to shares of the crude oil or natural gas production free of costs of exploration, development and production operations.

“SEC” The United States Securities and Exchange Commission.

“standardized measure of discounted future net cash flows” or “Standardized Measure” The discounted future net cash flows relating to proved reserves based on the average price during the 12-month period before the ending date of the period covered by the report, determined as an unweighted arithmetic average of the first-day-of-the-month price for each month within such period (unless prices are defined by contractual arrangements, excluding escalations based upon future conditions); current costs and statutory tax rates (to the extent applicable); and a 10% annual discount rate.

three-wayturn-in-line” or “TIL” To turn a drilled and completed well online to begin sales.

“two-way collar” A combinationAn option position where the proceeds from the sale of options: a sold call option at its inception fund the purchase of a purchased put and a sold put.  The sold call establishes a maximum price (ceiling) to be received for the volumes under contract.  The purchased put establishes a minimum price (floor), unless the market price falls below the sold put (sub-floor),option at which point the minimum price would be NYMEX plus the difference between the purchased put and the sold put strike price.its inception.  

“working interest” The interest in a crude oil and natural gas property (normally a leasehold interest) that gives the owner the right to drill, produce and conduct operations on the property and to a share of production, subject to all royalties, overriding royalties and other burdens and to all costs of exploration, development and operations and all associated risks.

“workover” Operations on a producing well to restore or increase production.

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PART I

Item 1.       Business

Overview

We are an independent oil and gas company engaged in development, production acquisition and explorationacquisition activities primarily in the Rocky Mountains region of the United States.  We were incorporatedStates where we are focused on developing our large resource play in the stateWilliston Basin of Delaware in 2003 in connection with our initial public offering.

North Dakota and Montana.  Since our inception, we have built a strong asset base through a combination of property acquisitions, development of proved reserves and exploration activities.  Our current operations andWe are currently focusing our capital programs are focused on organic drilling opportunities and on the development of previously acquired properties, specifically on projectsworkover opportunities that we believe provide the greatest potential for repeatable successattractive well-level returns in order to maintain consistent production levels and production growth, whilegenerate free cash flow. In addition, we are selectively pursuing acquisitions that complement our existing core properties, such as the acquisition discussed below under “Acquisitions and Divestitures,” and exploring other basins where we can apply our existing knowledge and expertise to build production and add proved reserves.  As a result of lower crude oil prices during 2017 and 2018, we significantly reduced our level of capital spending and focused our drilling activity on projects that provide the highest rate of return, while closely aligning our capital spending with cash flows generated from operations.properties.  During 2019,2021, we focused on developinghigh-return projects in our large resource play in the Williston Basin of North Dakota and Montana, while continuing to closely align our capital spending withasset portfolio that generated significant cash flows generatedflow from operations.  We continually evaluate our property portfolio and sell properties when we believe that the sales price realized will provide an above average rate of return for the property or when the property no longer matches the profile of properties we desire to own, such as the asset sales discussed below underown.  Refer to “Acquisitions and Divestitures.”Divestitures” below for a summary of certain recent asset purchase and sale activity.

As of December 31, 2019,2021, our estimated proved reserves totaled 485.4326.0 MMBOE and our 20192021 average daily production was 125.591.9 MBOE/d, which results in an average reserve life of approximately 10.6 years.d.

The following table summarizes, by core area, our estimated proved reserves as of December 31, 20192021 with the corresponding pre-tax PV10% values, our fourth quarter 20192021 average daily production rates, and our total standardized measure of discounted future net cash flows as of December 31, 2019:2021:

Proved Reserves (1)

Proved Reserves (1)

Pre-Tax

4th Quarter 2019

Pre-Tax

4th Quarter 2021

Natural

PV10%

Average Daily

Natural

PV10%

Average Daily

Oil

NGLs

Gas

Total

%

Value (2)

Production

Oil

NGLs

Gas

Total

%

Value (2)

Production

Core Area

    

(MMBbl)

    

(MMBbl)

    

(Bcf)

    

(MMBOE)

    

Oil

    

(in millions)

    

(MBOE/d)

    

(MMBbl)

    

(MMBbl)

    

(Bcf)

    

(MMBOE)

    

Oil

    

(in millions)

    

(MBOE/d)

Northern Rocky Mountains (3)

246.9

90.0

700.1

453.5

54%

$

3,458

112.0

Central Rocky Mountains (4)

14.1

3.4

33.4

23.1

61%

206

10.4

Other (5)

7.3

0.4

6.5

8.8

83%

78

0.6

North Dakota & Montana

183.6

66.3

422.5

320.3

57%

$

4,342

91.6

Other (3)

5.0

0.1

3.5

5.7

88%

39

1.2

Total

268.3

93.8

740.0

485.4

55%

$

3,742

123.0

188.6

66.4

426.0

326.0

58%

$

4,381

92.8

Discounted Future Income Tax Expense

 

(40)

Standardized Measure of Discounted Future Net Cash Flows

 

$

3,702

Discounted future income tax expense

Discounted future income tax expense

 

(702)

Standardized measure of discounted future net cash flows

Standardized measure of discounted future net cash flows

 

$

3,679

(1)Oil and gas reserve quantities and related discounted future net cash flows have been derived from ana WTI oil price of $55.69$66.56 per Bbl and a Henry Hub gas price of $2.58$3.60 per MMBtu, which were calculated using an average of the first-day-of-the-month price for each month within the 12 months ended December 31, 20192021 as required by current SEC and FASB guidelines.
(2)Pre-tax PV10% may be considered a non-GAAP financial measure as defined by the SEC and is derived from the standardized measure of discounted future net cash flows (the “Standardized Measure”), which is the most directly comparable GAAP financial measure.  Pre-tax PV10% is computed on the same basis as the Standardized Measure but without deducting future income taxes.  We believe pre-tax PV10% is a useful measure for investors when evaluating the relative monetary significance of our oil and natural gas properties.  We further believe investors may utilize our pre-tax PV10% as a basis for comparison of the relative size and value of our proved reserves to other companies because many factors that are unique to each individual company impact the amount of future income taxes to be paid.  Our management uses this measure when assessing the potential return on investment
5
related to our oil and gas properties and acquisitions.  However, pre-tax PV10% is not a substitute for the Standardized Measure.  Our pre-tax PV10% and Standardized Measure do not purport to present the fair value of our proved oil, NGL and natural gas reserves.
(3)Includes oil and gas properties located in Montana and North Dakota.
(4)Includes oil and gas properties located in Colorado.
(5)Primarily includes non-core oil and gas properties located in Arkansas, Colorado, Mississippi, North Dakota,New Mexico, Texas and Wyoming.

During 2019,2021, we incurred $778$247 million in exploration and development (“E&D”) expenditures including $772 million for the drilling of 41 gross (25.5 net) wells and the completion of 21057 gross (94.0(34.4 net) operated and nonoperated wells.  

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Our current 20202022 E&D budget is a range of $585$360 million to $620$400 million, which we expect to fund substantially with net cash provided by our operating activities and cash on hand.  Our level of E&D expenditures is largely discretionary, although a portion of our E&D expenditures are for non-operated properties where we have limited control over the timing and amount of such expenditures, and the amount of funds we devote to any particular activity may increase or decrease significantly depending on commodity prices, cash flows, available opportunities and development results, among other factors.  To the extent net cash provided by operating activities is higher or lower than currently anticipated, we would generate more or less free cash flow than we currently anticipate and could adjust our E&D budget, accordingly, enter into agreements with industry partners, divest certain oil and gas property interests, adjustour cash on hand or our borrowings outstanding under our credit facilityfacility.

On April 1, 2020, we and certain of our subsidiaries (collectively, the “Debtors”) commenced voluntary cases (the “Chapter 11 Cases”) under chapter 11 of the Bankruptcy Code.  On June 30, 2020, the Debtors filed the Joint Chapter 11 Plan of Reorganization of Whiting Petroleum Corporation and its Debtor affiliates (as amended, modified, and supplemented, the “Plan”).  On August 14, 2020, the Bankruptcy Court confirmed the Plan and on September 1, 2020 (the “Emergence Date”), the Debtors satisfied all conditions required for Plan effectiveness and emerged from the Chapter 11 Cases.  Upon emergence, we adopted fresh start accounting in accordance with FASB ASC Topic 852 – Reorganizations, which specifies the accounting and financial reporting requirements for entities reorganizing through chapter 11 bankruptcy proceedings.  The application of fresh start accounting resulted in a new basis of accounting and us becoming a new entity for financial reporting purposes.  As a result of the implementation of the Plan and the application of fresh start accounting, the consolidated financial statements after the Emergence Date are not comparable to the consolidated financial statements before that date and the historical financial statements on or accessbefore the capital markets as necessary.Emergence Date are not a reliable indicator of our financial condition and results of operations for any period after our adoption of fresh start accounting.  Refer to the “Fresh Start Accounting” footnote in the consolidated financial statements in Item 8 of this Annual Report on Form 10-K for more information.  References to “Successor” refer to the Whiting entity and its financial position and results of operations after the Emergence Date.  References to “Predecessor” refer to the Whiting entity and its financial position and results of operations on or before the Emergence Date.  

Acquisitions and Divestitures

Recent Acquisitions and Divestitures.  In September 2021, we completed the acquisition of interests in oil and gas properties located in Mountrail County, North Dakota for an aggregate purchase price of $271 million (before closing adjustments).  

In December 2021, we completed the acquisition of additional interests in oil and gas properties located in Mountrail County, North Dakota for an aggregate purchase price of $32 million (before closing adjustments).  

Subsequent to December 31, 2021, we entered into a purchase and sale agreement to acquire additional interests in oil and gas properties located in Mountrail County, North Dakota for an aggregate purchase price of $240 million (before closing adjustments).  We expect this transaction to close in March 2022.  We intend to finance this acquisition with cash on hand and borrowings under our Credit Agreement.

On a combined basis, our recent Williston Basin acquisitions included interests in 76 new gross producing oil and gas wells and increased interests in 527 existing gross producing wells.  Overall, the acquisitions effectively added 136.2 net producing wells and included approximately 23,300 net undeveloped acres.

In September 2021, we completed the divestiture of all of our interests in producing assets and undeveloped acreage, including the associated midstream assets, of our Redtail field located in the Denver-Julesburg Basin of Weld County, Colorado for aggregate sales proceeds of $171 million (before closing adjustments).  The production from the divested properties (which was approximately 51% oil) represented approximately 8% of our average total production as of the divestiture date.  

2020 Acquisitions and Divestitures.  In January 2020, we completed the divestiture of our interests in 30 non-operated, producing oil and gas wells and related undeveloped acreage located in McKenzie County, North Dakota for aggregate sales proceeds of $25 million (before closing adjustments).  The divested properties consisted of less than 1% of our estimated proved reserves as of December 31, 2019 and 1% of our average daily production for the year ended December 31, 2019.

There were no significant acquisitions during the year ended December 31, 2020.

2019 Acquisitions and Divestitures.  In July 2019, we completed the divestiture of our interests in 137 non-operated, producing oil and gas wells located in McKenzie, Mountrail and Williams counties of North Dakota for aggregate sales proceeds of $27 million (before closing adjustments).  

In August 2019, we completed the divestiture of our interests in 58 non-operated, producing oil and gas wells located in Richland County, Montana and Mountrail and Williams counties of North Dakota for aggregate sales proceeds of $26 million (before closing adjustments).

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On a combined basis, the divested properties consisted of less than 1% of our estimated proved reserves as of December 31, 2018 and our April 2019 average daily production.

There were no significant acquisitions during the year ended December 31, 2019.

2018 Acquisitions and Divestitures.  In July 2018, we completed the acquisition of approximately 54,800 net acres in the Williston Basin, including interests in 117 producing oil and gas wells and undeveloped acreage located in Richland County, Montana and McKenzie County, North Dakota for an aggregate purchase price of $130 million (before closing adjustments).  The producing properties had estimated proved reserves of 25.7 MMBOE as of the acquisition date, 84% of which were crude oil and NGLs.

There were no significant divestitures during the year ended December 31, 2018.

Subsequent to December 31, 2019, we completed the divestiture of our interests in 30 non-operated, producing oil and gas wells and related undeveloped acreage located in McKenzie County, North Dakota for aggregate sales proceeds of $25 million (before closing adjustments).  The divested properties consisted of less than 1% of our estimated proved reserves as of December 31, 2019 and 1% of our average daily production for the year ended December 31, 2019.  

Business Strategy

Our goal is to generate meaningful growth in shareholder value through the development, acquisitionproduction and explorationacquisition of oil and gas projects with attractive rates of return on invested capital.  Our assets, dedicated professionals, commitment to environmental stewardship and value-focused business execution position Whiting for success.  Specifically, we have focused, and plan to continue to focus, on the following:

Efficiently Developing and Producing our Existing Properties.  The development of our large resource play at our Williston Basin project in North Dakota and Montana continues to be our central objective.  We have assembled approximately 756,800731,100 gross (476,300(479,700 net) developed and undeveloped acres in this area, on whicharea.  After suspending all drilling and completion activity in 2020 in response to depressed crude oil prices, in February 2021 we commenced drilling with one rig in the Williston Basin and added a second rig at the end of September 2021.  We had four drilling rigs operating asone active completion crew for three quarters of December 31, 2019.  During 2019,2021, and we completed and

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brought on production 133online 56 gross (87(36.8 net) operated Bakken and Three Forks wells in the Williston Basin.Basin during the year.  Under our current 20202022 capital program, we expect to put on productionexecute a two-rig drilling program for the majority of the year along with a slight increase in completion activity.  We plan to TIL approximately 12268 gross (44.4 net) wells in this area during the year.

At our Redtail field in the Denver-Julesburg Basin (the “DJ Basin”) in Weld County, Colorado, we have assembled approximately 96,400 gross (84,600 net) developed and undeveloped acres.  We completed 22 drilled uncompleted wells (“DUCs”) in our Redtail field during the first half of 2018, and no additional wells were drilled or completed in 2019.  During 2019 we worked on maintaining base production with improved artificial lift techniques and reductions in lease operating expenses.

Disciplined Financial Approach.  Our goal is to remain financially strong, yet flexible, through the prudent management of our balance sheet and active management of our exposure to commodity price volatility.  We have historically funded our acquisition and growthdevelopment activity through a combination of internally generated cash flows, equity and debt issuances, bank borrowings and certain oil and gas property divestitures, as appropriate, to maintain our financial position.  As a result of lower crude oil prices during 2017During 2021, we were focused on high-return projects in our asset portfolio that generated significant cash flow from operations.  We are currently focusing our capital programs on drilling and 2018,workover opportunities that we significantly reduced our level of capital spending and focused our drilling activity on projects thatbelieve provide the highest rate of return,greatest well-level returns in order to maintain consistent production levels and generate free cash flow, while closely aligningselectively pursuing acquisitions that complement our capital spending with cash flows generated from operations.  During 2019, we focused on developing our large resource play in the Williston Basin of North Dakota and Montana, while continuing to closely align our capital spending with cash flows generated from operations.existing core properties.  From time to time, we monetize non-core properties and use the net proceeds from these asset sales to repay debt under our credit agreementCredit Agreement or fund our E&D expenditures.  For example, during 2019in each of the last three years we sold certain oil and gas properties operated by third parties that could no longer compete for capital or that otherwise no longer matched the profile of properties we desire to own.  In addition, to support cash flow generation on our existing properties and help ensure expected cash flows from newly acquired properties, we periodically enter into derivative contracts.  Typically, we use costlesstwo-way collars and swaps to provide an attractive base commodity price level.  

Commitment to Safety and Social Responsibility.  We are committed to developing the energy resources the world needs in a safe and responsible way that allows us to protect our employees, our contractors, our vendors, the public and the environment while also meeting or exceeding regulatory requirements.  We continually evolve our practices to better protect wildlife habitats and communities, to reduce freshwater use in our development process, to identify and reduce methane emissions from our operations, to encourage waste reduction programs and to promote worker safety.  Additionally, we are committed to transparency in reporting our environmental, social and governance performance and to monitoring such performance through various measures, some of which are tied to our short-term incentive program for all employees.  Refer to our Sustainability Report published on our website for sustainability performance highlights and additional information.  Information contained in our Sustainability Report is not incorporated by reference into, and does not constitute a part of, this Annual Report on Form 10-K.

Growing Through Accretive Acquisitions.  Since 2010,2014, we have completed 7 separate significant acquisitions of producing and undeveloped properties for total estimated proved reserves of 240.2238.7 MMBOE, as of the effective dates of the acquisitions.  Our experienced team of management, business development, land, engineering and geoscience professionals has developed and refinedexecuted an acquisition program designed to increase reserves and complement our existing properties, including identifying and evaluating acquisition opportunities, closing purchases and effectively managing the properties we acquire.  We intend to selectively pursue the acquisition of properties that are complementary to our core operating areas, as well as explore opportunities in other basins where we can apply our existing knowledge and expertise to build production and add proved reserves.

Return of Capital.  As a result of our strong operating base and our disciplined financial approach, we reduced the borrowings under our Credit Agreement to zero as of December 31, 2021.  We expect that our business strategy will continue to provide sizable cash flow generation which will enable us to return capital to our shareholders and continue to pursue acquisitions that add to our inventory, while maintaining a strong balance sheet.  As a first step in delivering on this commitment, in February 2022 we announced an initial regular dividend payment which will begin in the first quarter of 2022.  Our Board and management are committed to returning capital in line with our industry peers and we will continue to evaluate all forms of capital returns, including buying back outstanding shares and paying variable dividends.

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Competitive Strengths

We believe that our key competitive strengths lie in our focused asset portfolio, our experienced management and technical teams, and our commitment to the effective application of new technologies.technologies and our commitment to cost management.

Focused, Long-Lived Asset Base.  As of December 31, 2019,2021, we had interests in 5,0214,720 gross (2,171(1,917 net) productive wells on approximately 824,200844,700 gross (523,600(539,900 net) developed acres across our geographical areas.  We believe the concentration of our operated assets presents us with multiple opportunities to successfully execute our business strategy by enabling us to leverage our technical expertise and take advantage of operational efficiencies.  Our proved reserve life is approximately 10.6 years based on year-end 2019 proved reserves and 2019 production.

Experienced Management and Technical Teams.  Our management team averages 2326 years of experience in the oil and gas industry.  Our personnel have extensive experience in each of our core geographical areas, and in all of our operational disciplines.  In addition, our team of acquisition professionals has an average of 20 years of experience indisciplines and the evaluation, acquisition and operational assimilation of oil and gas properties.

Commitment to Technology.  In each of our core operating areas, we have accumulated extensive engineering, operational, geologic and geophysical technical knowledge.  Our technical team has access to an abundance of digital well log, seismic, completion, production and other subsurface information, which is analyzed in order to accurately and efficiently characterize the anticipated performance of our oil and gas reservoirs.  In addition,We leverage many technologies in support of data gathering, information analysis and production optimization.  Artificial intelligence and machine learning solutions support both field and corporate business processes.  Data management and reporting practices improve the availability, accuracy and analysis of our information systems enable us to updatein a cycle of continuous improvement.  Emerging technologies are evaluated on a regular basis, ensuring we are implementing the best technologies for our production databases through field automation.  This commitment to technology has increased the productivity and efficiency of our field operations and development activities.business needs.

We continue to advance the development of our completion techniques byto match the varying reservoir properties across the Williston Basin while utilizing customized, right-sizedthe latest completion designs based on calibrated modelstechnologies available.  Each new well provides us with valuable data that is evaluated and used in conjunction with publicly available third-party data to adjust the overall completion design for each of our prospect areas using multivariate analysis to understand which completion factors most significantly impact the results in each area, and piloting and adopting the latest completion technologies available.  Such customized designs utilize the optimum volume of proppant, diversion techniques, fluids and frac stages, allowing us to increase well performance while reducing cost.  We

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have increased stages pumped per day by focusing on new technologies such as quick-install wellhead connections and frac plug innovations.  We plan tounlock maximum value from our assets.  Our 2022 program will continue to use right-sizedfocus on reducing time-on-location through efficiency gains in our drilling practices and completion designs on wellstechniques.

Commitment to Cost Management.  We are committed to continued cost management strategies to remain a lower-cost operator.  During 2020, in response to the sharp decline in commodity prices, as well as our chapter 11 reorganization, we drillsignificantly reduced our operating and overhead costs.  During 2021, we continued to create lease operating expense efficiencies across the majority of our properties while maintaining our substantial production base.  These cost efficiencies and production maintenance efforts resulted in reductions in saltwater disposal costs by 25%, utility costs by 10% and lost oil volumes to downtime by 20% from 2020 while also utilizing state-of-the-art drilling rigs, high-torque mud motorsto 2021.  

We expect that our ongoing cost management efforts will result in sustainable operations and evolving 3-D bit cutter technologylong-term value to reduce time-on-location and total well cost.our shareholders.

Proved Reserves

Our estimated proved reserves as of December 31, 20192021 are summarized by core area in the table below.  Refer to “Reserves” in Item 2 of this Annual Report on Form 10-K for information relating to the uncertainties surrounding these reserve categories.

Estimated

Estimated

Future Capital

Future Capital

Oil

NGLs

Natural Gas

Total

% of Total

Expenditures (1)

Oil

NGLs

Natural Gas

Total

% of Total

Expenditures (1)

    

(MMBbl)

    

(MMBbl)

    

(Bcf)

    

(MMBOE)

    

Proved

    

(in millions)

    

(MMBbl)

    

(MMBbl)

    

(Bcf)

    

(MMBOE)

    

Proved

    

(in millions)

Northern Rocky Mountains (2)

North Dakota & Montana

PDP

169.8

67.9

534.8

326.7

72%

138.5

53.5

338.6

248.5

78%

PDNP

2.3

0.8

5.8

4.0

1%

4.8

1.4

9.8

7.8

2%

PUD

74.8

21.3

159.5

122.8

27%

40.3

11.4

74.1

64.0

20%

Total proved

246.9

90.0

700.1

453.5

100%

$

1,396

183.6

66.3

422.5

320.3

100%

$

572.2

Central Rocky Mountains (3)

PDP

11.4

3.0

29.1

19.3

84%

PUD

2.7

0.4

4.3

3.8

16%

Total proved

14.1

3.4

33.4

23.1

100%

$

48

Other (4)

Other (2)

PDP

6.9

0.3

5.5

8.1

92%

4.6

0.1

2.9

5.2

91%

PDNP

0.4

0.1

1.0

0.7

8%

0.4

-

0.6

0.5

9%

Total proved

7.3

0.4

6.5

8.8

100%

$

8

5.0

0.1

3.5

5.7

100%

$

8.5

Total Company

PDP

188.1

71.2

569.4

354.1

73%

143.1

53.6

341.5

253.7

78%

PDNP

2.7

0.9

6.8

4.7

1%

5.2

1.4

10.4

8.3

2%

PUD

77.5

21.7

163.8

126.6

26%

40.3

11.4

74.1

64.0

20%

Total proved

268.3

93.8

740.0

485.4

100%

$

1,452

188.6

66.4

426.0

326.0

100%

$

580.7

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(1)Estimated future capital expenditures incorporate numerous assumptions and are subject to many uncertainties, including oil and natural gas prices, costs of oil field goods and services, drilling results, well abandonment costs and several other factors.
(2)Includes oil and gas properties located in Montana and North Dakota.
(3)Includes oil and gas properties located in Colorado.
(4)Primarily includes non-core oil and gas properties located in Arkansas, Colorado, Mississippi, North Dakota,New Mexico, Texas and Wyoming.

Marketing and Major Customers

We principally sell our oil and gas production to end users, marketers and other purchasers that have access to nearby pipeline or rail takeaway.  In areas where there is no practical access to gathering pipelines, oil is trucked or transported to terminals, market hubs, refineries or storage facilities.  The tables below present percentages by purchaser that accounted for 10% or more of our total oil, NGL and natural gas sales for the years ended December 31, 2019, 2018 and 2017.  We believe that the loss of any individual purchaser

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would not have a long-term material adverse impact on our financial position or results of operations, as alternative customers and markets for the sale of our products are readily available in the areas in which we operate.

Year Ended December 31, 2019

Tesoro Crude Oil Co

14

%

Philips 66 Company

12

%

Year Ended December 31, 2018

United Energy Trading, LLC

17

%

Tesoro Crude Oil Co

14

%

Philips 66 Company

11

%

Year Ended December 31, 2017

Tesoro Crude Oil Co

18

%

Title to Properties

Our properties are subject to customary royalty interests, liens securing indebtedness, liens incident to operating agreements, liens for current taxes and other burdens, including other mineral encumbrances and restrictions.  Our credit agreementCredit Agreement is also collateralized by a first lien on substantially all of our assets.  We do not believe that any of these burdens materially interfere with the use of our properties or the operation of our business.

We believe that we have satisfactory rights or title to all of our producing properties.  As is customary in the oil and gas industry, limited investigation of title is made at the time of acquisition of undeveloped properties.  In most cases, we investigate title and obtain title opinions from counsel only when we acquire producing properties or before commencement of drilling operations.

Competition

TheThere is a high degree of competition in the oil and gas industry is a highly competitive environment for acquiring properties, obtaining investment capital, securing oil field goods and services, marketing oil and natural gas products and attracting and retaining qualified personnel.  Many of our competitors possess and employ financial, technical and personnel resources substantially greater than ours, which can be particularly important in the areas in which we operate.  Those companies may be able to pay more for productive oil and gas properties and exploratory prospects, better sustain production in periods of low commodity prices and to evaluate, bid for and purchase a greater number of properties and prospects than our resources permit.  In addition,Furthermore, competitive conditions may be substantially affected by various forms of energy legislation or regulation enacted by state, local and U.S. government bodies and their associated agencies, especially with regard to environmental protection and climate-related policies.  It is not possible to predict the nature of any such legislation or regulation which may ultimately be adopted or the resultant effects on our future operations.  Such laws and regulations may substantially increase the costs of exploring for, developing or producing oil and natural gas and our larger competitors may be able to better absorb the burden of such legislation and regulation, which would also adversely affect our competitive position.  Refer to “Government Regulation” below as well as Item 1A within this Annual Report on Form 10-K for more information on and the potential associated risks resulting from existing and future legislation and regulation of our industry.  Additionally, the unavailability or high cost of drilling rigs, completion crews or other equipment and services could delay or adversely affect our development and exploration operations.  Our ability to acquire additional prospects and to find and develop reserves in the future will depend on our ability to obtain necessary capital as well as evaluate and select suitable properties and to consummate transactions in a highly competitive environment.

In addition, the oil and gas industry as a whole competes with other industries in supplying the energy and fuel requirements of industrial, commercial and individual consumers.  The price and availability of alternative energy sources, such as wind, solar, nuclear and electric power, as well as the emerging impact of climate change activism, fuel conservation measures and governmental requirements for renewable energy sources, could adversely affect our revenue.revenues.

Human Capital

We believe that in order to execute our strategy in the highly competitive oil and gas industry we need to attract, develop and retain a highly effective and diverse employee workforce.  Our ability to do so depends on a number of factors, including an available qualified talent pool, compensation plans, benefits programs, talent development efforts, career opportunity generation and our work environment.  As of January 31, 2022, we had approximately 356 full-time employees, 197 of which were field employees, primarily located in North Dakota and Montana, and 159 of which were corporate employees, primarily located in Colorado.  None of our employees are represented by any labor unions.  We also engage independent contractors and consultants to support our work in specific areas.

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Safety.  “Safety Always” is one of our core, foundational values.  We strive to create a culture of safety that promotes transparency and accountability by providing the tools and resources that empower employees and contractors to identify and report potential hazards, assess risks inherent to our industry and stop work when necessary.  Through health and safety training, we prepare our employees and contractors to use industry best practices and standards to mitigate risk in a manner that protects themselves, their co-workers, the public and property.  We have developed a comprehensive safety management system that includes recurring risk assessment, hazard recognition and mitigation and emergency response preparedness training, protective measures including adequate personal protective equipment, life-saving rules, onboarding processes, contractor safety management, partner surveys, comprehensive audits, quarterly safety summits, executive-level reviews of incidents and ad-hoc safety stand-downs.  In 2021, Whiting established corporate goals specifically related to employee and contractor safety.  All employee and executive short-term incentive compensation is impacted by our performance relative to these safety goals and other performance metrics deemed material by the Board.  We monitor employee and contractor safety performance based on several metrics, which are communicated to employees through a dashboard that is updated continuously.  These metrics are also communicated regularly to senior management and key operational employees to monitor progress, provide opportunities for training and reinforce the importance of safety.  Two key metrics that we monitor are our Combined Total Recordable Incident Rate and our Days Away, Restricted and/or Transferred Rate.  Whiting seeks to only partner with contractors and vendors who share our commitment to safety.  

Diversity, Equity and Inclusion.  We recognize the advantages of a company culture that embraces diversity, constructive debate and differing viewpoints, continuous learning, servant leadership and an engaged workforce.  We believe that a workforce diverse in background and experience will create such a culture.  We recruit, hire, promote and perform personnel actions without regard to race, color, religion, sex, national origin, age, disability, genetic information or any other applicable status under federal, state or local law.  Whiting’s leadership is mindful of ways to increase the diversity of our workforce and our Board.  In order to continually grow our diversity of background and experience, we actively make appropriate efforts to increase the percentage of our workforce that is female or minority while also maintaining the high qualification standards required of Whiting employees.  Additionally, we have achieved gender parity among our independent directors.

Ethics.  Whiting is committed to demonstrating adherence to our corporate core values, the first of which is “Highest Integrity.”  We expect all of our employees, officers and directors to adhere to our Code of Business Conduct and Ethics.  Whiting has an Ethics Hotline for the purpose of allowing all employees an avenue for confidential, anonymous submission of concerns.

Competitive Compensation and Benefits.  The objective of our compensation program is to maintain a strong pay-for-performance culture in order to attract, retain and motivate employees.  Our program includes competitive market-based salaries, short-term incentives that tie to corporate and individual performance, long-term incentives, market-competitive health benefits and other appropriate benefits including workplace flexibility.

Training, Development and Career Opportunities. We are committed to the personal and professional development of our employees, with the belief that a greater level of knowledge, skill and ability is of personal benefit to the employee and fosters a more creative, innovative, efficient and therefore competitive company.  We empower our employees to develop the skills they need to perform their current jobs while developing acumen for future opportunities.  We want our talent pool to envision a successful and fulfilling career progression within our company.

Refer to our Sustainability Report published on our website for performance highlights regarding various human capital measures and additional information.  Information contained in our Sustainability Report is not incorporated by reference into, and does not constitute a part of, this Annual Report on Form 10-K.

Government Regulation

Regulation of Production

The production of oil and gas is subject to regulation under a wide range of local, state and federal statutes, rules, orders and regulations.  Federal, state and local statutes and regulations require permits for drilling operations, drilling bonds and periodic report submittals during operations.  All of the states in which we own and operate properties have regulations governing conservation matters, including provisions for the unitization or pooling of oil and gas properties, the establishment of maximum allowable rates of production from oil and gas wells, the regulation of well spacing and the plugging and abandonment of wells.  The effect of these regulations is to limit the amount of oil and gas that we can produce from our wells and to limit the number of wells or the locations that we can drill, although we can apply for exceptions to such regulations or to have reductions in well spacing.  Moreover, each state generally imposes a production or severance tax with respect to the production or sale of oil, NGLs and natural gas within its jurisdiction.

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Currently, none of our production volumes are produced from offshore leases, however, some of our prior offshore operations were conducted on federal leases that are administered by the Bureau of Ocean Energy Management (the “BOEM”).  Among other things, BOEM regulations, establish construction requirements for production facilities located on our federal offshore leasesalong with regulations of the Bureau of Safety and Environmental Enforcement (“BSEE”), govern the plugging and

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abandonment of wells and the removal of production facilities from these leases.  The present value of our future abandonment obligations associated with offshore properties was $41 million as of December 31, 2019.  We are therefore required to comply with the regulations and orders issued by the BOEM and BSEE under the Outer Continental Shelf Lands Act. 

The Bureau of Land Management (“BLM”(the “BLM”) establishesand Office of Natural Resources Revenue (the “ONRR”) establish the basis for onshore royalty payments due under federal oil and gas leases through regulations issued under applicable statutory authority.  State regulatory authorities establish similar standards for royalty payments due under state oil and gas leases.  The basis for royalty payments established by the BLM, the ONRR and the state regulatory authorities is generally applicable to all federal and state oil and gas lessees.  Accordingly, we believe that the impact of royalty regulation on our operations should generally be the same as the impact on our competitors.

Regulation of Sale and Transportation of Oil

Sales of crude oil, condensate and NGLs are not currently regulated and are made at negotiated prices, however, Congress could reenact price controls or enact other legislation in the future.

Our crude oil sales are affected by the availability, terms and cost of transportation.  The transportation of oil in common carrier pipelines is also subject to rate regulation.  The Federal Energy Regulatory Commission (the “FERC”) regulates interstate oil pipeline transportation rates under the Interstate Commerce Act.  In general, interstate oil pipeline rates must be cost-based, although settlement rates agreed to by all shippers are permitted and market-based rates may be permitted in certain circumstances.  Effective January 1, 1995, the FERC implemented regulations establishing an indexing system (based on inflation) for crude oil transportation rates that allowed for an increase or decrease in the cost of transporting oil to the purchaser.  The FERC’s regulations include a methodology for oil pipelines to change their rates through the use of an index system that establishes ceiling levels for such rates.  The most recent mandatory five-year review period resulted in a 20152020 order from the FERC for the index to be based on the Producer Price Index for Finished Goods (the “PPI-FG”) plus a 1.23% adjustment0.78 percent (PPI-FG+0.78%) for the five-year period from July 1, 2016 through2021 to June 30, 2021.2026.  This represents a decrease from the PPI-FG plus 2.65%1.23% adjustment from the prior five-year period.  The FERC determined that it would now useuses a calculation based on what it determined to be a superior data source reflectingthat reflects actual cost-of-service data as opposed to the accounting data historically used as a proxy for such information under the prior index methodology.data.  The regulations provide that each year the Commission will publish the oil pipeline index after the PPI-FG becomes available.  Intrastate oil pipeline transportation rates are subject to regulation by state regulatory commissions.  The basis for intrastate oil pipeline regulation and the degree of regulatory oversight and scrutiny given to intrastate oil pipeline rates varies from state to state.  Insofar as effective interstate and intrastate rates are equally applicable to all comparable shippers, we believe that the regulation of oil transportation rates will not affect our operations in any way that is of material difference from those of our competitors.

Further, interstate and intrastate common carrier oil pipelines must provide service on a non-discriminatory basis.  Under this open access standard, common carriers must offer service to all shippers requesting service on the same terms and under the same rates.  When oil pipelines operate at full capacity, access is governed by prorationing provisions set forth in the pipelines’ published tariffs.  In addition, the FERC has emergency authority under the Interstate Commerce Act to intervene and direct priority use of oil pipeline transportation capacity, and the FERC exercised this authority over a specific pipeline in February 2014 in response to significant disruptions in the supply of propane.capacity.  Accordingly, we believe that access to oil pipeline transportation services generally will be available to us to the same extent as to our competitors.

Transportation and safety of oil and hazardous liquid is subject to regulation by the Department of Transportation (the “DOT”) under the Pipeline Integrity, Protection, Enforcement and Safety Act of 2006 and the Pipeline Safety, Regulatory Certainty and Job Creation Act of 2012.  The Pipeline and Hazardous Material Safety Administration (“PHMSA”), an agency within the DOT, enforces regulations on all interstate liquids transportation and some intrastate liquids transportation.  The effect of regulatory changes under the DOT and their effect on interstate and intrastate oil and hazardous liquid transportation will not affect our operations in any way that is of material difference from those of our competitors.

A portion of our crude oil production may be shipped to market centers using rail transportation facilities owned and operated by third parties.  The DOT, generally, and PHMSA, more specifically, establish safety regulations relating to crude-by-rail transportation.  In addition, third-party rail operators are subject to the regulatory jurisdiction of the Surface Transportation Board of the DOT, the Federal

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Railroad Administration (the “FRA”) of the DOT, the Occupational Safety and Health Administration and other federal regulatory agencies.  

In response to rail accidents, occurring between 2002 and 2008, the U.S. Congress passed the Rail Safety and Improvement Act of 2008, which implemented regulations governing different areas related to railroad safety.  In response to train derailments occurring in the United States and Canada, in 2013 and 2014, U.S. regulators have taken a number of additional actions to address the safety risks of transporting crude oil by rail.

In February 2014, the DOT issued an emergency order requiring all persons to ensure crude oil is properly tested and classed prior to offering such product into transportation, and to assure all shipments by rail of crude oil be handled as a Packing Group I or II hazardous material.  Also in February 2014, the Association of American Railroads entered into a voluntary agreement with the DOT to implement certain restrictions around the movement of crude oil by rail.  In May 2014 (and extended indefinitely in May 2015), the DOT issued an Emergency Restriction/Prohibition Order requiring each railroad carrier operating trains transporting 1,000,000 gallons or more of Bakken crude oil to provide notice to state officials regarding the expected movement of the trains through the counties in each state.  The PHMSA and FRA have also issued safety advisories and alerts regarding oil transportation and have issued a report focused on the increased volatility and flammability of Bakken crude oil as compared with other crudes in the U.S.  In May 2015, PHMSA issued new

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rules applicable to “high-hazard flammable trains,” defined as a continuous block of 20 or more tank cars loaded with a flammable liquid or 35 or more tank cars loaded with a flammable liquid dispersed throughout a train.  Among other requirements, the new rules require enhanced standards for newly constructed tank cars and retrofitting of existing tank cars, restricted operating speeds, a documented testing and sampling program, and routine assessments that evaluate certain safety and security factors.  In December 2015, the Fixing America’s Surface Transportation (“FAST”) Act became law, further extending PHMSA’s authority to improve the safety of transporting flammable liquids by rail and pursuant to which new regulations phasing out the use of certain older rail cars were finalized in August 2016.  In June 2016, the Protecting our Infrastructure of Pipelines and Enhancing Safety (“PIPES”) Act became law.  The PIPES Act strengthens PHMSA’s safety authority, including an expansion ofby expanding its ability to issue emergency orders, which was adopted by rule in October 2016 and further enhanced by rule in October 2019.  PHMSA continues to review further potential new safety regulations under the PIPES Act and the FAST Act.

We do not currently own or operate rail transportation facilities or rail cars.  However, the adoption of any regulations that impact the testing or rail transportation of crude oil could increase our costs of doing business and limit our ability to transport and sell our crude oil at favorable prices at market centers throughout the U.S., the consequences of which could have a material adverse effect on our financial condition, results of operations and cash flows.  The effect of any such regulatory changes will not affect our operations in any way that is of material difference from those of our competitors.

Regulation of Transportation, Storage, Sale and Gathering of Natural Gas

The FERC regulates the transportation and, to a lesser extent, the sale of natural gas for resale in interstate commerce pursuant to the Natural Gas Act of 1938 and the Natural Gas Policy Act of 1978 and regulations issued under those Acts.  In 1989, however, Congress enacted the Natural Gas Wellhead Decontrol Act, which removed all remaining price and non-price controls affecting wellhead sales of natural gas, effective January 1, 1993.  While sales by producers of natural gas can currently be made at unregulated market prices, in the future Congress could reenact price controls or enact other legislation with detrimental impact on many aspects of our business.

Our natural gas sales are affected by the availability, terms and cost of transportation.  The price and terms of access to pipeline transportation and underground storage are subject to extensive federal and state regulation.  From 1985 to the present, several major regulatory changes have been implemented by Congress and the FERC that affect the economics of natural gas production, transportation and sales.  In addition, the FERC is continually proposing and implementing new rules and regulations affecting those segments of the natural gas industry that remain subject to the FERC’s jurisdiction, most notably interstate natural gas transmission companies and certain underground storage facilities.  These initiatives may also affect the intrastate transportation of natural gas under certain circumstances.  The stated purpose of many of these regulatory changes is to promote competition among the various sectors of the natural gas industry by making natural gas transportation more accessible to natural gas buyers and sellers on an open and non-discriminatory basis.  Owners of natural gas pipelines are responsible for administering FERC-approved tariffs which govern the availability, terms and costs of transportation on specific pipelines.  Owners of natural gas pipelines may propose changes to these tariffs.  Such proposals are subject to comment by interested parties and must be approved by FERC before taking effect.  For example, in May 2020 Northern Border Pipeline Company proposed changes to the gas quality standards in its tariff which would have negatively impacted our interests and those of many other pipeline customers.  FERC ultimately rejected that proposal in November 2020, but similar proposals could be presented to FERC in the future.

We cannot accurately predict whether the FERC’s actions will achieve the goal of increasing competition in the markets in which our natural gas is sold.  Regulations implemented by the FERC could result in an increase in the cost of transportation service on certain petroleum product pipelines.  In addition, the natural gas industry has historically been heavily regulated.  Therefore, we cannot provide

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any assurance that the less stringent regulatory approach established by the FERC will continue.  However, we do not believe that any action taken will affect us in a way that materially differs from the way it affects other natural gas producers.

Transportation and safety of natural gas is subject to regulation by the DOT under the Pipeline Inspection, Protection, Enforcement and Safety Act of 2006 and the Pipeline Safety, Regulatory Certainty and Job Creation Act of 2012.  In addition, intrastate natural gas transportation is subject to enforcement by state regulatory agencies and PHMSA enforces regulations on interstate natural gas transportation.  State regulatory agencies can also create their own transportation and safety regulations as long as they meet PHMSA’s minimum requirements.  The basis for intrastate regulation of natural gas transportation and the degree of regulatory oversight and scrutiny given to intrastate natural gas pipeline rates and services varies from state to state.  Insofar as such regulation within a particular state will generally affect all intrastate natural gas shippers within the state on a comparable basis, we believe that the regulation of similarly situated intrastate natural gas transportation in any of the states in which we operate and ship natural gas on an intrastate basis will not affect our operations in any way that is of material difference from those of our competitors.  Likewise, the effect of regulatory changes by the DOT and their effect on interstate natural gas transportation will not affect our operations in any way that is of material difference from those of our competitors.

The failure to comply with these rules and regulations can result in substantial penalties.  We use the latest tools and technologies to remain compliant with current pipeline safety regulations.

In October 2015, a failure at an underground natural gas storage facility in Southern California prompted PHMSA to issue an advisory bulletin reminding owners and operators of underground storage facilities to review operations, identify the potential for facility leaks and failures and to review and update emergency plans.  The State of California proclaimed the underground natural gas storage facility

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an emergency situation in January 2016.  A federal task force was also convened to make recommendations to help avoid such failures.  An interim final rule of PHMSA became effective in January 2017 which adopted certain specific industry recommended practices into Part 192 of the Federal Pipeline Safety Regulations.  PHMSA later reopened the post-promulgation comment period through November 2017 in response to petitions for reconsideration and has stated it would consider such comments further when it adopts a final rule.  Under the interim final rule, if an operator fails to take any measures recommended it would need to justify in its written procedures why the measure is impracticable and unnecessary.  PHMSA regulations had previously covered much of the surface piping up to the wellhead at underground natural gas storage facilities served by pipelines and did not extend in part to the “downhole” portion of these facilities.  The adopted requirements cover design, construction, material, testing, commissioning, reservoir monitoring and recordkeeping for existing and newly constructed underground natural gas storage facilities as well as procedures and practices for newly constructed and existing underground natural gas storage facilities, such as operations, maintenance, threat identification, monitoring, assessment, site security, emergency response and preparedness, training, recordkeeping and reporting.  These regulations and any further increased attention to and requirements for underground storage safety and infrastructure by state and federal regulators that may result from this incident will not affect us in a way that materially differs from the way it affects other natural gas producers.

Environmental Regulations

General.  Our oil and gas exploration, development and production operations are subject to stringent federal, state and local laws and regulations governing the discharge or release of materials into the environment or otherwise relating to environmental protection.  Numerous governmental agencies, such as the U.S. Environmental Protection Agency (the “EPA”), issue regulations to implement and enforce such laws, which often require costly compliance measures that carry substantial penalties for noncompliance.  These laws and regulations may require the acquisition of a permit before drilling or facility construction commences; restrict the types, quantities and concentrations of various materials that can be released into the environment; limit or prohibit project siting, construction or drilling activities on certain lands; require remedial and closure activities to prevent pollution from former operations; and impose substantial liabilities for unauthorized pollution.  The EPA and analogous state agencies may delay or refuse the issuance of required permits or otherwise include onerous or limiting permit conditions that may have a significant adverse impact on our ability to conduct operations.  

Changes in environmental laws and regulations occur frequently, and any changes that result in more stringent and costly material handling, storage, transport, disposal or cleanup requirements could materially and adversely affect our operations and financial position, as well as those of the oil and gas industry in general.  While we believe that we are in compliance, in all material respects, with current applicable environmental laws and regulations, future environmental enforcement remains a material risk due to the potential magnitude of exposure in the event of a noncompliance.  We have incurred in the past, and expect to incur in the future, capital expenditures and operating costs related to environmental compliance.  Such expenditures are included within our overall capital budgetand operating budgets and are not separately itemized.

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The environmental laws and regulations which have the most significant impact on the oil and gas exploration and production industry are as follows:

Superfund.  The Comprehensive Environmental Response, Compensation and Liability Act of 1980, as amended (“CERCLA” or “Superfund”), and comparable state laws impose strict joint and several liability for sites contaminated by certain hazardous substances on classes of potentially responsible persons.  These persons include the owner or operator of the site where a release occurred and anyone who disposed of or arranged for the disposal of the hazardous substance released at the site.  Under CERCLA, such persons may be subject to joint and several liability for the costs of cleaning up the hazardous substances that have been released into the environment, for damages to natural resources and for the costs of certain health studies.  In the course of our ordinary operations, we may use, generate or handle material that may be regulated as “hazardous substances.”  Consequently, we may be jointly and severally liable under CERCLA or comparable state statutes for all or part of the costs required to clean up sites where these materials have been disposed or released.

We currently own or lease, and in the past have owned or leased, properties that for many years have been used for the exploration and production of oil and gas.  Although we have used operating and disposal practices that were standard in the industry at the time, hazardous substances, wastes or hydrocarbons may have been released on, under or from the properties owned or leased by us or on, under or from other locations where such substances have been taken for recycling or disposal.  In addition, many of these owned and leased properties have been previously owned or operated by third parties whose treatment and disposal of hazardous substances, wastes or hydrocarbons were not under our control and not known to us.  Similarly, the disposal facilities where discarded materials are sent are also often operated by third parties whose waste treatment and disposal practices are similarly not under our control.  While we only use what we consider to be reputable disposal facilities, we might not know of a potential problem if the problem itself is not discovered until years later.  Current and formerly owned or operated properties, adjacent affected properties, offsite disposal facilities and substances disposed or released on them may be subject to CERCLA and analogous state laws.  Under these laws, we could be required:

to investigate the source and extent of impacts from released hazardous substances;

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to remove or remediate previously disposed materials, including materials disposed or released by prior owners or operators or other third parties;
to clean up and remediate contaminated property, including both soils and contaminated groundwater;
to perform remedial operations to prevent future contamination, including the plugging and abandonment of wells drilled and left inactive by prior owners and operators; or
to pay some or all of the costs of any such action.

At this time, we do not believe that we are a potentially responsible party with respect to any Superfund site and we have not been notified of any claim, liability or damages under CERCLA or any state analog.

Oil Pollution Act.  The Oil Pollution Act of 1990 (“OPA”) and regulations issued under OPA impose strict, joint and several liability on “responsible parties” for removal costs and damages resulting from oil spills into or upon navigable waters, adjoining shorelines or in the exclusive economic zone of the United States.  A “responsible party” includes the owner or operator of an onshore facility and the lessee, permittee or holder of a right of use and easement of the area in which an offshore facility is located.  OPA establishes a liability limit for onshore facilities of $350 million per spill, while the liability limit for offshore facilities is the payment of all removal costs plus $75 million per spill damages.  These limits do not apply if the spill is caused by a responsible party’s gross negligence or willful misconduct; the spill resulted from a responsible party’s violation of a federal safety, construction or operating regulation; a responsible party fails to report a spill or to cooperate fully in a cleanup; or a responsible party fails to comply with an order issued under the authority of the Intervention on the High Seas Act.  OPA requires the lessee or permittee of the offshore area in which a covered offshore facility is located to establish and maintain evidence of financial responsibility in the amount of $35 million to cover liabilities related to an oil spill for which such responsible party is statutorily responsible.  The President of the United States may increase the amount of financial responsibility required under OPA by up to $150 million, depending on the risk represented by the quantity or quality of oil that is handled by the facility.  Any failure to comply with OPA’s requirements or inadequate cooperation during a spill response action may subject a responsible party to administrative penalties.  We believe we are in compliance with all applicable OPA financial responsibility obligations.  Moreover,obligations, and we are not aware of any action or event that would subject us to liability under OPA.

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Resource Conservation and Recovery Act.  The Resource Conservation and Recovery Act (“RCRA”) and comparable state statutes regulate the generation, transportation, treatment, storage, disposal and cleanup of hazardous and non-hazardous wastes.  Under the auspices of the EPA, the individual states administer some or all of the provisions of RCRA, sometimes in conjunction with their own more stringent requirements.  Additionally, various federal, state and local agencies have jurisdiction over transportation, storage and disposal of hazardous waste and seek to regulate movement of hazardous waste in ways not preempted by federal law.  We generate solid and hazardous wastes that are subject to RCRA and comparable state laws.  Drilling fluid, produced water and many other wastes associated with the exploration, development and production of crude oil or natural gas are currently exempt from RCRA’s hazardous waste provisions.  However, it is possible that certain oil and natural gas exploration and production wastes now classified as non-hazardous could be regulated as hazardous waste in the future.  In September 2010, the Natural Resources Defense Council filed a petition with the EPA, requesting it to reconsider the RCRA hazardous waste exemption for exploration, production and development wastes.  In December 2016, the court entered a Consent Decree resolving the litigation, under which the EPA would issue such a rulemakingfuture, or make a determination that it was not necessary by March 15, 2019.  In response, in April 2019, the EPA issued a determination that rulemaking to address waste from oil and gas exploration and production operations was not necessary at this time.  However, it is possible that the EPA will take up such regulatory changescould implement broader RCRA reforms at a later date.  Any such change in the current RCRA exemption and comparable state laws could result in an increase in the costs to manage and dispose of wastes.  Additionally, these exploration and production wastes will continue to be regulated by state agencies as solid waste.  Also,waste and non-exempt waste streams generated by us will continue to be subject to existing onerous hazardous waste regulations.  Although we do not believe the current costs of managing our wastes (as they are presently classified) to be significant, any repeal or modification of the oil and gas exploration and production exemption by administrative, legislative or judicial process, or modification of similar exemptions in analogous state statutes would increase the volume of hazardous waste we are required to manage and dispose of and would cause us, as well as our competitors, to incur increased operating expenses.

Clean Water Act.  The Federal Water Pollution Control Act, or the Clean Water Act, as amended (“CWA”(the “CWA”), and analogous state laws impose restrictions and strict controls with respect to the discharge of pollutants, including spills and leaks of oil and other substances, into state waters or other waters of the United States.  The discharge of pollutants into regulated waters is prohibited, except in accordance with the terms of a permit issued by the EPA or an analogous state agency.  Spill prevention, control and countermeasure requirements under federal law require appropriate containment berms and similar structures to help prevent the contamination of navigable waters in the event of a petroleum hydrocarbon tank spill, rupture or leak.  In addition, the CWA and analogous state laws require individual permits or coverage under general permits for discharges of storm water runoff from certain types of facilities.

Where required, costs may be associated with the treatment of wastewater and/or the development and implementation of storm water pollution prevention plans.  Federal and state regulatory agencies can impose administrative, civil and criminal penalties for non-compliance with discharge permits or other requirements of CWA and analogous state laws and regulations.  

In addition, the CWA requires permits for discharges of dredged or filled materials into waters of the United States.  These permits (“404 Permits”) are under the joint jurisdiction of the EPA and the Army Corps of Engineers.  404 Permits may be required where

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development or construction activities have the potential to impact wetland areas that are considered waters of the United States.  In 2015,2020, the EPA greatly expandedrevised the definition of waters of the United States.States to narrow its scope from the 2015 definition that had been promulgated under the Obama administration.  In doing so, it required 404 permits for disturbances in areas before not considered subject tolarge part, this rulemaking codified that “waters of the United States CWA jurisdiction.  However, effective December 23, 2019, the rule broadening the definition was repealed, ostensibly restoring jurisdiction toStates” include only those waterbodieswater bodies (including wetlands) that have a “significant nexus” to navigable waters of the United States.  Further rulemaking to refineThe rule, however, was vacated by two separate federal district courts in late 2021.  On December 7, 2021, the definitionEPA and the Army Corps of watersEngineers published in the Federal Register a proposed rule that would largely reinstate the previous 1986 “waters of the United StatesStates” rule and guidance with certain amendments to reflect “consideration of the agencies’ statutory authority under the CWA and relevant Supreme Court decisions” (the “2021 Proposed Rule”).  Publication of the 2021 Proposed Rule in the Federal Register triggered a 60-day public comment period, sometime after which the rule is expected fromto be finalized by the EPAagencies.  Although the outcome of the 2021 Proposed Rule and any additional amendments to the regulations is unknown, the regulations under the Biden administration are undoubtedly more stringent in 2020.terms of scope.  Any expansion of the scope of the CWA could increase costs associated with permitting and regulatory compliance.  However, it is expected that any such change would not disparately affect us and our competitors.

Also, the U.S. Supreme Court in a 2020 case further expanded the reach of the CWA from what had been previously understood.  In this case, the U.S. Supreme Court held that a CWA permit may be required when the addition of pollutants into the waters of the United States is the functional equivalent of a direct discharge into those waters.  This interpretation could increase costs associated with CWA permitting or subject past activities to liability under the CWA.

Air Emissions.  The Federal Clean Air Act, as amended (the “CAA”), and comparable state laws regulate emissions of various air pollutants from various industrial sources through air emissions permitting programs and also impose other monitoring and reporting requirements.  New Source Performance Standards were promulgated for the oil and gas industry in 2012.  These standards set limits for sulfur dioxide and volatile organic compound emissions and required application of reduced emission completion techniques by the industry.  We may be required to incur certain capital or operating expenditures in the future for air pollution control equipment in connection with obtaining and maintaining pre-construction and operating permits and approvals for air emissions.  In addition, the EPA has developed, and continues to develop, stringent regulations governing emissions of toxic air pollutants at specified sources.  Federal and state regulatory agencies can impose penalties for non-compliance with air permits or other requirements of the CAA and associated state laws and regulations.

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In MayJune 2016, the EPA issued a final rule regulating methane emissions from oil and natural gas operations (the “Subpart OOOOa Rule”).  This rule applies to emissions from new, reconstructed and modified processes and equipment and also requires owners and operators to find and repair leaks to address fugitive emissions.  In August 2020, the EPA enacted an amendment to the Subpart OOOOa Rule, which removed all methane-specific requirements from production and processing segments and removed volatile organic compounds and methane emission standards from transmission and storage facilities.  On June 30, 2021, however, President Biden signed into law a joint Congressional resolution disapproving and invalidating much of the 2020 rule amendments under the prior administration, including the 2020 rule’s rescission of the methane requirements.  On November 15, 2021, the EPA published in the Federal Register a proposed rule that would update and expand existing requirements for the oil and gas industry, as well as create significant new requirements and standards for new, modified and existing oil and gas facilities.  The proposed new requirements would include, for example, new standards and emission limitations applicable to storage vessels, well liquids unloading, pneumatic controllers and flaring of natural gas at both new and existing facilities.  The proposed rules for new and modified facilities are estimated to be finalized by the end of 2022, while any standards finalized for existing facilities will require further state rulemaking actions over the next several years before they become applicable and effective.  

Certain states have also adopted, or are considering, regulations addressing methane releases from oil and gas operations.  Colorado has adopted regulations reducing methane emissions from oil and gas operations.  Compliance with rules applicable to jurisdictions in which we operate could result in significant costs, including increased capital expenditures and operating costs, which may adversely impact our business.

However, in September 2019,Environmental Protection and Natural Gas Flaring.  North Dakota law restricts the EPA proposed twoflaring of natural gas from wells that have not been connected to a gas gathering line for a period of one year from the date of the well’s first production.  After one year, an operator is required to cap the well, connect it to a gas gathering line, find acceptable alternative amendmentsuses for a percentage of the flared gas or apply to the Subpart OOOOa Rule.  Both amendments would remove all methane-specific requirementsNorth Dakota Industrial Commission (the "NDIC") for a written exemption for any future flaring.

In addition, NDIC rules for new drilling permits require the submission of gas capture plans setting forth the operator’s plan to capture and not flare produced gas, regardless of whether it has been or will be connected within the first year of production.  The NDIC currently requires us to capture 91% of the natural gas produced from a field, with various allowances for, including but not limited to, initial production testing, force majeure events and processing segments.  The first amendment would also remove transportation and storage facilitiestemporary midstream outages.  If an operator is unable to attain the applicable gas capture percentage goal at maximum efficient rate, wells will be restricted in production to 200 barrels of crude oil per day if at least 60% of the monthly volume of associated natural gas produced from the definitionwell is captured, or otherwise crude oil production from such wells is not permitted to exceed 100 barrels of covered facilities.  The comment periodcrude oil per day.  However, the NDIC will consider temporary exemptions from the foregoing restrictions or for other types of extenuating circumstances after notice and hearing if the proposed rule closedeffect is a significant net increase in gas capture within one year of the date such relief is granted.  Monetary penalty provisions also apply under this regulation if an operator fails to timely file for a hearing with the NDIC upon being unable to meet such percentage goals or if the operator fails to timely implement

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production restrictions once below the applicable percentage goals.  Ongoing compliance with the NDIC’s flaring requirements or the imposition of any additional limitations on November 25, 2019.  The netflaring could result in increased costs and have an adverse effect of either of these amendments, if finalized,on our operations.  However, it is expected that any such change would significantly reducenot disparately affect us and our competitors.  We believe we operated in compliance obligations and associated costs.with the NDIC standards throughout 2021.

Hydraulic Fracturing.  Hydraulic fracturing is an important and common practice that is used to stimulate production of hydrocarbons from tight rock formations.  The process involves the injection of mainly water and sand plus a de minimis amount of chemicals under pressure into formations to fracture the surrounding rock and stimulate production.  We expect that we will utilize hydraulic fracturing for the foreseeable future to complete or recomplete wells in areas in which we work.  Hydraulic fracturing is typically regulated at the state level; however, the EPA issued guidance in 2014 to address hydraulic fracturing injections using diesel.

In addition, in June 2016, the EPA issued a final rule promulgating pretreatment standards for discharges of wastewater pollutants from onshore unconventional oil and gas extraction facilities to publicly-owned treatment works.  The EPA, along with other federal agencies such as the U.S. Department of Energy, the U.S. Government Accountability Office, the U.S. Department of Interior and the White House Council for Environmental Quality continue to study various aspects of hydraulic fracturing.  

In addition, legislation has been introduced in Congress from time to time to provide for federal regulation of hydraulic fracturing and to require disclosure of the chemicals used in the fracturing process.  Multiple states, including Texas, Colorado and Wyoming have already adopted rules requiring disclosures of chemicals used in hydraulic fracturing and others have enacted regulations imposing additional requirements on activities involving hydraulic fracturing.  Chemical disclosure regulations may increase compliance costs and may limit our ability to use cutting-edge technology in markets where disclosure is required.  Further, laws such as those restricting the use of or regulating the time, place and manner of hydraulic fracturing (such as setback ordinances) may impact our ability to fully extract reserves.  No assurance can be given as to whether or not suchmore stringent hydraulic fracturing measures might be adopted in theadditional jurisdictions in which our properties are located.  If new laws, regulations or ordinances that significantly restrict or otherwise impact hydraulic fracturing are passed by Congress or adopted in the states or local municipalities where our properties are located, such legal requirements could prohibit or make it more difficult or costly for us to perform hydraulic fracturing activities.

Further, in May 2014, the EPA published an Advance Notice of Proposed Rulemaking under the Toxic Substances Control Act, relating to the disclosure of chemical substances and mixtures used in oil and gas exploration and production.  On July 11, 2014, the EPA extended the public comment period for the rulemaking to September 18, 2014.  The EPA has not yet taken further action with respect to this rule.  Depending on the precise disclosure requirements the EPA elects to impose, if any, we may be obliged to disclose valuable proprietary information, and failure to do so may subject us to penalties.  In addition, we may be required to disclose information of third parties, that may be inaccurate or that we may be contractually prohibited from disclosing, which could also subject us to penalties.

In addition, in July 2014, a major university and U.S. Geological Survey researchers published a study purporting to find a connection between the deep well injection of hydraulic fracturing wastewater and a sharp increase in seismic activity in Oklahoma since 2008.  This study, as well as subsequent studies and reports, may trigger new legislation or regulations that would limit or ban the disposal of hydraulic fracturing wastewater in deep injection wells.  If such new laws or rules are adopted, our operations may be curtailed while alternative treatment and disposal methods are developed and approved.

Global Warming and Climate Change.  In December 2009, the EPA published its findings that emissions of carbon dioxide, methane and other greenhouse gases (“GHG”) present an endangerment to public health and the environment because emissions of such gases are, according to the EPA, contributing to the warming of the earth’s atmosphere and other climate changes.  Based on these findings, the EPA has adopted and implemented regulations that restrict emissions of GHG under existing provisions of the CAA.

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At present, the EPA may establish GHG permitting requirements for stationary sources already subject to the Prevention of Significant Deterioration (“PSD”) and Title V requirements of the CAA.  Certain of our equipment and installations may currently be subject to PSD and Title V requirements and hence, under the U.S. Supreme Court’s ruling, may also be subject to the installation of controls to capture GHGs.  For any equipment or installation so subject, we may have to incur increased compliance costs to capture related GHG emissions.

In October 2016, the EPA proposed revisions to the rule applicable to GHGs for PSD and Title V permitting requirements.  The public comment period for the rulemaking concluded on December 16, 2016.  However, although the rulemaking remains on the EPA’s long-term regulatory agenda,While no final rule has been published.  published, this may be taken up as a priority by the Biden administration.

In August 2015, the EPA issued a rule to reduce carbon emissions from electric generating units.  The rule, commonly called the “Clean Power Plan”,Plan,” required states to develop plans to reduce carbon emissions from fossil fuel-fired generating units commencing in 2022, with the reductions to be fully phased in by 2030.  However, in February 2016, the U.S. Supreme Court stayed the implementation of the Clean Power Plan while it was being challenged in court.  On October 16, 2017, the EPA published a proposed rule that would repeal the Clean Power Plan and on August 18, 2018, the EPA proposed the Affordable Clean Energy (“ACE”) rule as a replacement to the Clean Power Plan.  The EPA issued the final ACE rule in June 2019.  As expected, over 20 states and public health and environmental

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organizations have challenged the rule.rule and it was vacated on January 29, 2021.  The matter has been remanded to the EPA has sought expedited review in the hopesand it is expected that the casesBiden administration will be resolved bypropose new rules in this area during the summer of 2020.  If the ACE rule were to become final, the costs of compliance are expected to be significantly less than they would have been under the Clean Power Plan.next few years.

In addition, both houses of Congress have actively considered legislation to reduce emissions of GHG, and many states have already taken legal measures to reduce emissions of GHG, primarily through the development of GHG inventories, GHG permitting and/or regional GHG “cap and trade” programs.  Most of these “cap and trade” programs work by requiring either major sources of emissions or major producers of fuels to acquire and surrender emission allowances, with the number of allowances available for purchase reduced each year until the overall GHG emission reduction goal is achieved.  In November 2021, the U.S. House of Representatives passed the H.R. 5376 bill, which would amend the CAA to impose a fee of $1,500 per ton of methane emitted above specified thresholds from onshore petroleum and natural gas production facilities, natural gas processing facilities, natural gas transmission and compression facilities, and onshore petroleum and natural gas gathering and boosting facilities, among other facilities. The U.S. Senate is currently considering H.R. 5376 and may adopt, modify, or eliminate the methane fee.  Also, in recent years, lawsuits have been brought against other energy companies for matters relating to climate change.  Multiple states and localities have also initiated investigations in climate-change related matters.  While the current suits focus on a variety of issues, at their core they seek compensation for the effects of climate change from companies with ties to GHG emissions.  It is currently unknown what the outcome of these types of actions may be, but the costs of defending against such actions may be expected to rise.  Finally, it should be noted that many scientists have concluded that increasing concentrations of GHG in the atmosphere may produce climate changes that have significant physical effects, such as increased frequency and severity of storms, droughts, floods and other climatic events.  If any such effects were to occur, they could have ana material adverse effect on our assets and limit the type, timing and location of our operations.

Consideration of Environmental Issues in Connection with Governmental Approvals.  Our operations frequently require licenses, permits and/or other governmental approvals.  Several federal statutes, including the Outer Continental Shelf Lands Act (“OCSLA”), the National Environmental Policy Act (“NEPA”) and the Coastal Zone Management Act (“CZMA”), require federal agencies to evaluate environmental issues in connection with granting such approvals and/or taking other major agency actions.  OCSLA, for instance, requires the U.S. Department of Interior to evaluate whether certain proposed activities would cause serious harm or damage to the marine, coastal or human environment.  Similarly, NEPA requires the U.S. Department of Interior and other federal agencies to evaluate major agency actions having the potential to significantly impact the environment.  In the course of such evaluations, an agency would have to prepare an environmental assessment and potentially an environmental impact statement.  Recent federal court cases involving natural gas pipelines have involved challenges to the sufficiency of the evaluation of climate change impacts in environmental impact statements prepared under NEPA.  The CZMA, on the other hand, aids states in developing a coastal management program to protect the coastal environment from growing demands associated with various uses, including offshore oil and gas development.  In obtaining various approvals from the U.S. Department of Interior, we must certify that we will conduct our activities in a manner consistent with all applicable regulations.

Employees

As of January 31, 2020, we had approximately 505 full-time employees.  Our employees are not represented by any labor unions.  We consider our relations with our employees to be satisfactory and have never experienced a work stoppage or strike.

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Available Information

We maintain a website at the address www.whiting.com.  We are not including the information contained on our website as part of, or incorporating it by reference into, this report.  We make available free of charge (other than an investor’s own Internet access charges) through our website our annual reports on Form 10-K, quarterly reports on Form 10-Q and current reports on Form 8-K, including exhibits and amendments to these reports, as soon as reasonably practicable after we electronically file such material with, or furnish such material to, the SEC.

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Item 1A.      Risk Factors

Each of the risks described below should be carefully considered, together with all of the other information contained in this Annual Report on Form 10-K, before making an investment decision with respect to our securities.  In the event of the occurrence, reoccurrence, continuation or increased severity of any of the risks described below, our business, financial condition or results of operations could be materially and adversely affected, and you may lose all or part of your investment.

Summary Risk Factors

The following is a summary of the material risks and uncertainties we have identified, which should be read in conjunction with the more detailed description of each risk factor contained below.

Risks Related to Our Business and Operations

Declines in, or extended periods of low oil, NGL or natural gas prices and/or widened differentials;
The occurrence of epidemic or pandemic diseases, including the coronavirus (“COVID-19”) pandemic;
Actions of the Organization of Petroleum Exporting Countries (“OPEC”) and other oil exporting nations to set and maintain production levels;
The potential shutdown of the Dakota Access Pipeline (“DAPL”);
The geographic concentration of our operations;
Our potential inability to access oil and gas markets due to market conditions or operational impediments;
Market availability of, and risks associated with, transport of oil and natural gas, which may subject us to substantial liability claims;
Shortages of or delays in obtaining qualified personnel or equipment, including drilling rigs and completion services;
Adverse weather conditions that may negatively impact development or production activities;
Lack of control over non-operated properties;
Cybersecurity attacks or failures of our telecommunication and other information technology infrastructure;
Our level of success in development and production activities;
Our ability to replace our oil and natural gas reserves;
Impacts resulting from the allocation of resources among our strategic opportunities;
Our ability to successfully complete asset acquisitions and dispositions and the risks related thereto;
The timing of our development expenditures;
Unforeseen underperformance of or liabilities associated with acquired properties or other strategic partnerships or investments; and
Competition in the oil and gas industry.

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Risks Related to Our Capital Structure and Financial Results

The impacts of hedging on our results of operations and cash flows;
Revisions to reserve estimates as a result of changes in commodity prices, regulation and other factors;
Inaccuracies of our reserve estimates or our assumptions underlying them;
Our ability to use net operating loss carryforwards (“NOLs”) in future periods;
Our ability to comply with debt covenants, periodic redeterminations of the borrowing base under Whiting Oil and Gas Corporation’s (“Whiting Oil and Gas”) Credit Agreement and our ability to generate sufficient cash flows from operations to service any indebtedness we incur;
Our ability to generate sufficient cash flows from operations to meet the internally funded portion of our capital expenditures budget; and
Impacts to financial statements as a result of impairment write-downs and other cash and noncash charges.

Risks Related to Government Regulations, Investor Sentiment, Corporate Governance and Legal Proceedings

The impact and costs of compliance with laws and regulations governing our oil and gas operations;
Impacts of local regulations, climate change issues, negative perception of our industry and corporate governance standards;
The potential impact of changes in laws that could have a negative effect on the oil and gas industry;
The impact of negative shifts in investor sentiment towards the oil and gas industry; and
Negative impacts from litigation and legal proceedings.

Risks Related to Our Chapter 11 Bankruptcy

The effect of our emergence from bankruptcy on our business and relationships;
The fact that our historical financial results may not be comparable to our actual financial results after emergence from bankruptcy and may not be indicative of future financial performance; and
The new securities we issued upon emergence may result in potential future dilution.

Risks Related to Our Business and Operations

Oil and natural gas prices and differentials are very volatile.  An extended period of low oil and natural gas prices and/or widened differentials may adversely affect our business, financial condition, results of operations or cash flows.

The oil and natural gas markets are very volatile, and we cannot predict future oil and natural gas prices.  The price we receive for our oil, NGL and natural gas production heavily influences our revenue, profitability, access to capital and future rate of growth.  The prices we receive for our production depend on numerous factors beyond our control, including, but not limited to, the following:

changes in regional, domestic and global supply and demand for oil and natural gas;
the level of global oil and natural gas inventories;inventories and storage capacity;
the occurrence or threat of epidemic or pandemic diseases, such as the COVID-19 pandemic, or any government response to such occurrence or threat;
the actions or inactions of OPEC;

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proximity, capacity and availability of oil and natural gas pipelines and other transportation facilities, including any court rulings which may result in the Organization of Petroleum Exporting Countries;inability to transport oil on the DAPL;
the price and quantity of imports of oil and natural gas;
market demand and capacity limitations on exports of oil and natural gas;
political and economic conditions, including embargoes and sanctions, in oil-producing countries or affecting other oil-producing activity, such as the U.S. imposed sanctions on Venezuela and Iran and conflicts in the Middle East;
developments ofrelating to North American energy infrastructure;infrastructure, including legislative, regulatory and court actions that may impact such infrastructure and other developments that may cause short- or long-term capacity constraints;
the level of global oil and natural gas exploration and production activity;
the effects of global conservation and sustainability measures;
proximity and capacity of oil and natural gas pipelines and other transportation facilities;
the effects of the global and domestic economy,economies, including the impact of expected growth, access to credit and financial markets, the relative strength of the United States dollar compared to foreign currencies and other economic issues;conditions;
weather conditions;conditions and natural disasters;
technological advances affecting energy consumption;
current and anticipated changes to domestic and foreign governmental regulations, such as regulation of oil and natural gas gathering and transportation, including those that may arise as a result of the upcoming U.S. Presidential election;transportation;
the price and availability of competitors’ supplies of oil and natural gas;
basis differentials associated with market conditions, the quality and location of production and other factors;
acts of terrorism;
the price and availability of alternative fuels;fuels and energy sources; and

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acts of force majeure.majeure events.

These factors and the volatility of the energy markets generally make it extremely difficult to predict future oil and natural gas price movements.  Also, prices for crude oil, NGLs and prices for natural gas do not necessarily move in tandem.  Declines in oil, NGL or natural gas prices would not only reduce revenue, but could also reduce the amount of oil and natural gas that we can economically produceviable production and therefore potentially lower our oil and gas reserve quantities.  If the oil and natural gas industry experiences extended periods of low prices, we may, among other things, be unable to meet all of our financial obligations or make planned expenditures.

Substantial and extended declines in oil, NGL and natural gas prices have resulted and may continue to result in impairments of our proved oil and gas properties or undeveloped acreage and may materially and adversely affect our future business, financial condition, cash flows, results of operations, liquidity or ability to finance planned capital expenditures.  To the extent commodity prices received from production are insufficient to fund planned capital expenditures, we will be required to reduce spending, borrow under the Credit Agreement or sell assets or borrow to fund any such shortfall.assets.  Lower commodity prices may reduce the amount of our borrowing base under our credit agreement,the Credit Agreement, which is determined at the discretion of our lenders based on the collateral value of our proved reserves that have been mortgaged to the lenders, and is subject to regular redeterminations on MayApril 1 and NovemberOctober 1 of each year, as well as special redeterminations described in the credit agreement.Credit Agreement.  Upon a redetermination, if total outstanding credit exposure exceeds the redetermined borrowing base, we willcould be requiredforced to prepay outstandingrepay borrowings in an aggregate principal amount equal to such excess in six substantially equal monthly installments.under the Credit Agreement.

Lower commodity prices may also reduce the proceeds we receive from the sale of assets or make it more difficult for us to comply with the covenants and other restrictions in the agreements governing our debt as described under the risk factorRisk Factor entitled “The instruments governing our indebtedness containCredit Agreement contains various covenants limiting the discretion of our management in operating our business.”

Alternatively, higher oil, NGL and natural gas prices may result in significant mark-to-market losses being incurred on our commodity-based derivatives, which may in turn cause us to experience net losses.derivatives.

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Additionally, the prices that we receive for and producingour oil and natural gas are highproduction generally reflect a discount, but sometimes a premium, to relevant benchmark prices such as NYMEX.  A negative or positive difference between the benchmark price and the price received is called a differential.  The differential may vary significantly due to market conditions, the quality and location of production and other risk activities withfactors, as demonstrated in the fourth quarter of 2018 when our oil differentials weakened substantially.  We cannot accurately predict oil and natural gas differentials.  Changes in the differential and decreases in the benchmark price for oil and natural gas could have a material adverse effect on our business, financial condition, results of operations or cash flows.

The occurrence of epidemic or pandemic diseases, including the COVID-19 pandemic, could adversely affect our business, financial condition, results of operations and cash flows.

Global or national health concerns, including the outbreak of pandemic or contagious disease or its related variants, can negatively impact the global economy and, therefore, demand and pricing for oil and natural gas products.  For example, the World Health Organization declared COVID-19 a pandemic in March 2020, and the continued duration and severity of the COVID-19 pandemic and its ongoing impact on our business cannot be predicted.  The outbreak of communicable diseases, or the perception that such an outbreak could occur, could result in a widespread public health crisis that could adversely affect the economies and financial markets of many uncertaintiescountries, resulting in an economic downturn that would negatively impact the demand for oil and natural gas products.  Furthermore, uncertainty regarding the impact and length of any outbreak of pandemic or contagious disease, including COVID-19, can and has led to increased volatility in oil and natural gas prices.  Finally, in the event that there is an outbreak of COVID-19 at any of our operating locations, we could be forced to cease operations at such locations for a period of time.  The occurrence or continuation of any of these events could lead to decreased revenues and limit our ability to execute our business plan, which could adversely affect our business, financial condition, results of operations and cash flows.

The ability or willingness of OPEC and other oil exporting nations to set and maintain production levels has a significant impact on oil prices.

OPEC is an intergovernmental organization that seeks to manage the price and supply of oil on the global energy market.  Actions or inaction of OPEC members, including those taken alongside other oil exporting nations, have a significant impact on global oil supply and pricing.  For example, OPEC and certain other oil exporting nations have previously agreed to take measures, including production cuts and increases, in an effort to achieve certain global supply or demand targets or to achieve certain crude oil price outcomes.  There can be no assurance that OPEC members and other oil exporting nations will continue to agree to future production cuts, moderating future production or other actions to support and stabilize oil prices, and they may take actions that have the effect of reducing oil prices.  Uncertainty regarding future actions to be taken by OPEC members or other oil exporting countries could lead to increased volatility in the price of oil, which could adversely affect our business, financial condition, results of operations and cash flows.

We transport a portion of our crude oil through the DAPL, which is subject to ongoing litigation that may result in a shutdown of the DAPL, which could adversely affect our business, financial condition, results of operations or cash flows.

Our future success will depend onOn March 25, 2020, the successU.S. District Court for D.C. (“D.C. District Court”) found that the U.S. Army Corps of our exploration, development and production activities.  Our oil and natural gas exploration and development activities are subjectEngineers (“Army Corps”) had violated the National Environmental Policy Act when it granted an easement relating to numerous risks beyond our control, includinga portion of the risk that drilling will notDakota Access Pipeline (“DAPL”) because it had failed to prepare an environmental impact statement (“EIS”).  As a result, in commercially viablean order issued July 6, 2020, the D.C. District Court vacated the easement and directed that the DAPL be shut down and emptied of oil or natural gas production.  Our decisions to purchase, explore, develop or otherwise exploit prospects or properties will depend in part on the evaluation of data obtained through geophysical and geological analyses, production data and engineering studies, the results of which are often inconclusive or subject to varying interpretations.  Refer to the risk factor entitled “Reserve estimates depend on many assumptions that may turn out to be inaccurate...” forby August 5, 2020.  After issuing a discussionstay of the uncertainty involvedorder to shut down the pipeline on August 5, 2020, the U.S. Court of Appeals for the D.C. Circuit (“D.C. Appellate Court”), on January 26, 2021, affirmed the D.C. District Court’s decision to vacate the easement and concluded that the D.C. District Court must further consider whether shut down of the DAPL is an appropriate remedy while the Army Corps develops an EIS.  On May 21, 2021, the D.C. District Court ruled that it would not issue an injunction requiring a shutdown of the DAPL and that the DAPL could continue to operate while the Army Corps prepares an EIS.  The D.C. District Court further ruled on June 22, 2021 that the litigation be dismissed and that the plaintiffs could renew their challenge to DAPL upon the Army Corps’ issuance of an EIS.  Barring different discretionary action by the Army Corps, these rulings allow the DAPL’s continued operation unless and until new challenges are made and succeed following issuance of the EIS, which the Army Corps anticipates issuing in these processes.  Our costthe fall of drilling, completing2022.  On September 20, 2021, the DAPL’s owner filed a petition with the U.S. Supreme Court seeking review of the lower courts’ decisions requiring a new EIS and operating wells is often uncertain before drilling commences.  Overruns in budgeted expenditures are common risks that can make a particular project uneconomical.  Further, many factors may curtail, delay or cancel drilling, including, but not limited to, the following:

substantial or extended declines in oil, NGL and natural gas prices;
delays imposed by or resulting from compliance with regulatory requirements;
delays in or limits on the issuance of drilling permits by state agencies or on our federal leases, including as a result of government shutdowns;
pressure or irregularities in geological formations;
pipeline takeaway and refining and processing capacity;
shortages of or delays in obtaining qualified personnel or equipment, including drilling rigs and completion services;
equipment failures or accidents;

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adverse weather events, such as floods, blizzards, ice storms, tornadoes and freezing temperatures; and
title defects.

Our debt levelpermit, and the covenants inplaintiff tribes and Army Corps filed briefs opposing such review.  However, the agreements governing our debtU.S. Supreme Court declined to accept the case for review.  The potential disruption of transportation as a result of the DAPL being shut down or the anticipation of the DAPL being shut down could negatively impact our ability to achieve the most favorable prices for our crude oil production, which could have an adverse effect on our business, financial condition, results of operations or cash flows and business prospects.

As of December 31, 2019, we had outstanding $262 million of 1.25% Convertible Senior Notes due April 2020 and $2.2 billion of senior notes, which consisted of $774 million of 5.75% Senior Notes due March 2021, $408 million of 6.25% Senior Notes due April 2023 and $1,000 million of 6.625% Senior Notes due January 2026.  We had $375 million of borrowings and $2 million in letters of credit outstanding under Whiting Oil and Gas Corporation’s (“Whiting Oil and Gas”) credit facility with $1.4 billion of available borrowing capacity.  The credit agreement matures on April 12, 2023, provided that if at any time and for so long as any senior notes (other than the 1.25% Convertible Senior Notes due April 2020) have a maturity date prior to 91 days after April 12, 2023, the maturity date shall be the date that is 91 days prior to the maturity of such senior notes.  We are allowed to incur additional indebtedness, provided that we meet certain requirements in the indentures governing our senior notes and Whiting Oil and Gas’ credit agreement.

Our level of indebtedness and the covenants contained in the agreements governing our debt could have important consequences for our operations, including, but not limited to:

making it more difficult for us to satisfy our obligations with respect to our indebtedness, and any failure to comply with the obligations of any of our debt agreements, including financial and other restrictive covenants, could result in an event of default under Whiting Oil and Gas’ credit agreement and the indentures governing our senior notes and convertible senior notes;
requiring us to dedicate a substantial portion of our cash flow from operations to required payments on debt, thereby reducing the availability of cash flow for working capital, capital expenditures and other general business activities;
limiting our ability to obtain additional financing in the future for working capital, capital expenditures, acquisitions and general corporate and other activities;
increasing the possibility that we may be unable to generate sufficient cash to pay, when due, the principal of, interest on or other amounts due or otherwise refinance our indebtedness;
limiting our flexibility in planning for, or reacting to, changes in our business and the industry in which we operate;
placing us at a competitive disadvantage relative to other less leveraged competitors;
making us vulnerable to increases in interest rates, because debt under Whiting Oil and Gas’ credit agreement is subject to certain rate variability;
making us more vulnerable to economic downturns and adverse developments in our industry or the economy in general, especially declines in oil and natural gas prices; and
reducing our borrowing base when oil and natural gas prices decline and our ability to maintain compliance with our financial covenants becomes more difficult, which may reduce or eliminate our ability to fund our operations.

We may be required to repay all or a portion of our debt on an accelerated basis in certain circumstances.  If we fail to comply with the covenants and other restrictions in the agreements governing our debt, it could lead to an event of default and the acceleration of our repayment of outstanding debt.  Refer to the risk factor entitled “The instruments governing our indebtedness contain various covenants limiting the discretion of our management in operating our business.”

Ifflows.  While we are unablecoordinating with our midstream partners and downstream markets to generate enough cash flow from operationssource transportation alternatives in order to servicemitigate the impact of a DAPL shutdown, we cannot provide any assurance that our indebtedness or are unableefforts to use future borrowings to refinance our indebtedness or fund other capital needs, we may have to undertake alternative financing plans, which may have onerous terms or maydo so will be unavailable.successful.

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Our earnings and cash flow could vary significantly from year to year due to the volatility of oil and natural gas prices.  As a result, the amount of debt that we can manage in some periods may not be appropriate for us in other periods.  Additionally, our future cash flow may be insufficient to meet our debt obligations and commitments.  A range of economic, competitive, business and industry factors will affect our future financial performance and, as a result, our ability to generate cash flow from operations and service our debt.  Factors that may cause us to generate cash flow that is insufficient to meet our debt obligations include the events and risks related to our business, many of which are beyond our control.  Any cash flow insufficiency would have a material adverse impact on our business, financial condition, results of operations, cash flows and liquidity and our ability to repay or refinance our debt.  If we do not generate sufficient cash flow from operations to service our outstanding indebtedness, or if future borrowings are not available to us in an amount sufficient to enable us to pay or refinance our indebtedness, we may be required to undertake various alternative financing plans, which may include:

refinancing or restructuringSubstantially all or a portion of our debt;
seeking alternative financing or additional capital investment;
selling strategic assets;
reducing or delaying capital investments; or
revising or delaying our strategic plans.

We cannot assure you that we would be able to implement any of the above alternative financing plans, if necessary, on commercially reasonable terms or at all.  If we cannot make scheduled payments on our indebtedness or otherwise fail to comply with the covenants and other restrictions in the agreements governing our debt, we will be in default and the lenders under Whiting Oil and Gas’ credit agreement and the holders of our senior notes and convertible senior notes could declare all outstanding principal and interest to be due and payable.  Additionally, the lenders under Whiting Oil and Gas’ credit agreement could terminate their commitments to loan money and could foreclose against our assets collateralizing our borrowings, and we could be forced into bankruptcy or liquidation.  If the amounts outstanding under any of our significant indebtedness were to be accelerated, we cannot assure you that our assets would be sufficient to repay in full the amounts owed to the lenders or to our other debt holders.  Our inability to generate sufficient cash flows to satisfy our debt obligations, or to refinance our indebtedness on commercially reasonable terms or at all, would materially and adversely affect our business, financial position, results of operations and cash flows.

A negative shift in investor sentiment of the oil and gas industry could adversely affect our ability to raise debt and equity capital.

Certain segments of the investor community have developed negative sentiment towards investing in our industry.  Recent equity returns in the sector versus other industry sectors have led to lower oil and gas representation in certain key equity market indices.  In addition, some investors, including investment advisors and certain sovereign wealth funds, pension funds, university endowments and family foundations, have stated policies to disinvest in the oil and gas sector based on their social and environmental considerations.  Certain other stakeholders have also pressured commercial and investment banks to stop financing oil and gas production and related infrastructure projects.

Such developments, including environmental activism and initiatives aimed at limiting climate change and reducing air pollution, could result in downward pressure on the stock prices of oil and gas companies, including ours. This may also potentially result in a reduction of available capital funding for potential development projects, impacting our future financial results.  Refer to the Risk Factor entitled “Negative public perception regarding us and/or our industry could have an adverse effect on our operations.”

The instruments governing our indebtedness contain various covenants limiting the discretion of our management in operating our business.

The indentures governing our senior notes and convertible senior notes and Whiting Oil and Gas’ credit agreement contain various restrictive covenants that may limit our management’s discretion in certain respects.  In particular, these agreements limit our and our subsidiaries’ ability to, among other things:

prepay, redeem or repurchase certain debt;

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pay dividends or make other distributions or repurchase or redeem our capital stock;
make loans and investments;
incur or guarantee additional indebtedness or issue preferred stock;
create certain liens;
enter into agreements that restrict dividends or other payments from our restricted subsidiaries to us;
sell assets;
consolidate, merge or transfer all or substantially all of our assets and those of our restricted subsidiaries taken as a whole;
engage in transactions with affiliates;
enter into hedging contracts; and
create unrestricted subsidiaries.

In addition, Whiting Oil and Gas’ credit agreement requires us, as of the last day of any quarter, to maintain the following ratios (as defined in the credit agreement): (i) a consolidated current assets to consolidated current liabilities ratio (which includes an add back of the available borrowing capacity under the credit agreement) of not less than 1.0 to 1.0 and (ii) a total debt to last four quarters’ EBITDAX ratio of not greater than 4.0 to 1.0.  If we were in violation of these covenants, then we may not be able to incur additional indebtedness, including under Whiting Oil and Gas’ credit agreement.  Also, the indentures under which we issued our senior notes restrict us from incurring additional indebtedness and making certain restricted payments, subject to certain exceptions, unless our fixed charge coverage ratio (as defined in the indentures) is at least 2.0 to 1.0.  Factors that may adversely affect our ability to comply with these covenants include oil or natural gas price declines, lack of liquidity in property and capital markets and our inability to execute on our business plan.

If we fail to comply with the restrictions in the indentures governing our senior notes and convertible senior notes, Whiting Oil and Gas’ credit agreement or any other subsequent financing agreements, a default may allow the creditors to accelerate the related indebtedness as well as any other indebtedness to which a cross-acceleration or cross-default provision applies.  In addition, lenders may be able to terminate any commitments they had made to make further funds available to us.  Furthermore, if we were unable to repay the amounts due and payable under Whiting Oil and Gas’ credit agreement, those lenders could proceed against the collateral granted to them to secure that indebtedness.  In the event that our lenders or noteholders accelerate the repayment of our borrowings, we and our subsidiaries may not have sufficient assets or be able to borrow sufficient funds to repay or refinance that indebtedness.  Also, if we are in default under the agreements governing our indebtedness, we will not be able to pay dividends on our capital stock.

Moreover, the borrowing base limitation on Whiting Oil and Gas’ credit agreement is redetermined on May 1 and November 1 of each year, and may be the subject of special redeterminations described in such credit agreement based on an evaluation of our oil and gas reserves.  Because oil and gas prices are principal inputs into the valuation of our reserves, if oil and gas prices decline, our borrowing base could be reduced at the next redetermination date or during future redeterminations.  Upon a redetermination, if total outstanding credit exposure exceeds the redetermined borrowing base, we will be required to prepay outstanding borrowings in an aggregate principal amount equal to such excess in six substantially equal monthly installments.  We may not have sufficient funds to make such repayments.

Strategic determinations, including the allocation of capital and other resources to strategic opportunities, are challenging, and a failure to appropriately allocate capital and resources among our strategic opportunities may adversely affect our business, financial condition, results of operations or cash flows.

Our future growth prospects are dependent upon our ability to identify optimal strategies for investing our capital resources to produce rates of return.  In developing our business plan, we consider allocating capital and other resources to various aspects of our business including well development (primarily drilling), reserve acquisitions, exploratory activity, corporate items and other alternatives.  We also consider our likely sources of capital, including cash generated from operations and borrowings under Whiting Oil and Gas’ credit

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agreement.  Notwithstanding the determinations made in the development of our business plan, business opportunities not previously identified periodically come to our attention, including possible acquisitions and dispositions.  If we fail to identify optimal business strategies or fail to optimize our capital investment and capital raising opportunities and the use of our other resources in furtherance of our business strategies, our financial condition and future growth may be adversely affected.  Moreover, economic or other circumstances may change from those contemplated by our business plan and our failure to recognize or respond to those changes may limit our ability to achieve our objectives.

A large portion of our producing properties are concentrated in the Williston Basin of North Dakota and Montana, making us vulnerable to risks associated with operating in one major geographic area.

A large portionSubstantially all of our producing properties are geographically concentrated in the Williston Basin of North Dakota and Montana.  At December 31, 2019,2021, approximately 93%98% of our total estimated proved reserves were attributable to properties located in this area.  Because of this concentration in a limited geographic area, the success and profitability of our operations may be disproportionately exposed to regional factors compared to competitors having more geographically dispersed operations.  These factors include, among others: (i) the prices of crude oil and natural gas produced from wells in the region and other regional supply and demand factors, including gathering, pipeline and rail transportation capacity constraints, (ii) the availability of rigs, equipment, oilfield services, supplies and labor, (iii) the availability of processing and refining facilities and (iv) infrastructure capacity.  In addition, our operations in the Williston Basin may be adversely affected by severe weather events such as floods, blizzards, ice storms, tornadoes and freezing temperatures which can intensify competition for the items and services described above and may result in periodic shortages.  The concentration of our operations in a limited geographic area also increases our exposure to changes in local laws and regulations, certain lease stipulations designed to protect wildlife and unexpected events that may occur in the regions such as natural disasters, seismic events (which may result in third-party lawsuits), industrial accidents, labor difficulties, civil disturbances, public protests or terrorist attacks.  Any one of these events has the potential to cause producing wells to be shut-in, delay operations, decrease cash flows, increase operating and capital costs and prevent development of lease inventory before expiration.  Any of the risks described above could have a material adverse effect on our business, financial condition, results of operations and cash flows.  

IfMarket conditions or operational impediments may hinder our access to oil and gas markets or delay our production.

In connection with our continued development of oil and gas properties, we are exposed to the risk of delays or interruptions of production from wells on these properties caused by transportation capacity constraints, curtailment of production or the unavailability of transportation infrastructure for the oil and gas volumes produced.  In addition, market conditions or a lack of satisfactory oil and gas transportation arrangements may hinder our access to oil and gas markets or delay our production.  The availability of a ready market for our oil, NGL and natural gas prices decrease, weproduction depends on a number of factors, including the demand for and supply of oil, NGLs and natural gas, downstream market conditions and competing supply alternatives.  Our ability to market our production also depends substantially on the availability and capacity of gathering systems, pipelines and processing facilities owned and operated by third parties and the ability to obtain such services on acceptable terms.  We may be requireddisproportionately exposed to take write-downsthe impact of the carrying valuesdelays or interruptions of production caused by market constraints or interruptions in transportation of our production.  This could lead to production curtailments or shut-ins and reduced revenue which could materially harm our business.  We may enter into arrangements for transportation services and sales to reduce curtailment risks.  However, these services expose us to the risk that third parties will default on their obligations under such arrangements.  

Risks associated with the production, gathering, transportation and sale of oil, NGLs and natural gas properties.could materially and adversely affect our business, financial condition, results of operations or cash flows and may subject us to substantial liability claims.

Accounting rules require that we periodically review the carrying value of our producing oilOur financial condition, net income and gas properties for possible impairment.  Based on specific market factors and circumstances at the time of prospective impairment reviews (which may include depressedcash flows will depend upon, among other things, oil, NGL and natural gas pricesproduction and the continuing evaluationprices received and costs incurred to develop and produce oil and natural gas reserves.  Drilling, production or transportation accidents that temporarily or permanently halt the production and sale of oil, NGLs and natural gas will decrease revenues and increase expenditures and may subject us to liability.  For example, accidents may occur that result in personal injuries, property damage, damage to productive formations or equipment and environmental damages.  Any costs incurred in connection with any such accidents that are not insured against will have the effect of reducing net income.  We do not have insurance policies in effect that are intended to provide coverage for losses solely related to hydraulic fracturing operations.  Also, our oil, NGL and natural gas production depends in large part on the proximity and capacity of pipeline systems and transportation facilities which are mostly owned by third parties.  The lack of availability or the lack of capacity on these systems and facilities could result in the curtailment of production or the delay or discontinuance of drilling plans.  Similarly, curtailments or damage to pipelines and other transportation facilities used to transport oil, NGL and natural gas production to markets for sale could decrease revenues or increase transportation expenses.  Any such curtailments or damage to the gathering systems could also require us to find alternative means to transport oil, NGL and natural gas production.  Such alternative means may not be available or could result in additional costs that will have the effect of increasing transportation expenses or differentials.  Adverse changes in the terms and conditions of natural gas pipeline tariffs could result in increased costs or competitive disadvantages.

In addition, drilling, production and transportation of hydrocarbons bear the inherent risk of loss of containment.  Potential consequences include, but are not limited to, loss of reserves, loss of production, loss of economic value associated with the affected wellbore, personal injuries and death, contamination of air, soil, ground water and surface water.  We could be subject to fines, penalties or other damages associated with any event of this nature.

We are not insured against all risks.  Losses and liabilities arising from uninsured and underinsured events could materially and adversely affect our business, financial condition, results of operations or cash flows.  Our oil and natural gas exploration and production activities

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are subject to all of the operating risks associated with drilling for and producing oil and natural gas, including, but not limited to, the possibility of:

environmental hazards, such as uncontrollable flows of oil, gas, brine, well fluids, toxic gas or other pollution into the environment, including groundwater and shoreline contamination;
abnormally pressured formations;
mechanical difficulties, such as stuck oil field drilling and service tools and casing collapse;
the loss of well control;
fires and explosions;
personal injuries and death;
terrorist attacks; and
natural disasters.

Any of these risks could adversely affect our ability to conduct operations or result in substantial losses to our company.  We may elect not to obtain insurance if we believe that the cost of available insurance is excessive relative to the risks presented.  In addition, pollution and environmental risks generally are not fully insurable.  If a significant accident or other event occurs and is not fully covered by insurance, then it could adversely affect us.

The unavailability or cost of additional drilling rigs, equipment, supplies, personnel and oil field services could adversely affect our ability to execute our exploration and development plans production data, economics, possible asset saleson a timely basis or within our budget.

The demand for qualified and experienced field personnel to conduct field operations, geologists, geophysicists, engineers and other factors)professionals in the oil and natural gas industry can fluctuate significantly, often in correlation with oil and natural gas prices or economic trends in the broader economy, causing periodic shortages.  Historically, there have been shortages of drilling rigs, completion crews and other oilfield equipment as demand for these items has increased along with the number of wells being drilled and completed.  These factors also cause significant increases in costs for equipment, services and personnel.  Higher oil and natural gas prices generally stimulate demand and result in increased prices for drilling rigs and other oilfield goods and services.  Shortages of field personnel and other professionals, drilling rigs, completion crews, equipment or supplies, and any resulting price increases, could delay or adversely affect our exploration and development operations, which could restrict such operations or have a material adverse effect on our business, financial condition, results of operations or cash flows.

Adverse weather conditions and lease stipulations adversely affect our ability to conduct drilling activities in some of the areas where we operate.

Oil and gas operations in the Rocky Mountains are adversely affected by weather conditions and lease stipulations designed to protect various wildlife.  In certain areas, drilling and other oil and gas activities can only be conducted during certain months due to severe weather.  This limits our ability to operate in those areas and can intensify competition during those months for drilling rigs, oil field equipment, services, supplies and qualified personnel, which may be requiredlead to write down the carrying value ofperiodic shortages.  Resulting shortages or high costs could delay our operations, cause temporary declines in our oil and gas properties.  For example, we recorded an $835 million impairment charge during 2017 for the partial write-downproduction and materially increase our operating and capital costs and reduce our cash flows.  Severe weather events may increase in duration and intensity as a result of the Redtail fieldclimate change, in Colorado.  A write-down constitutes a non-cash charge to earnings.  We may incur additional impairment chargeswhich case these risks will be greater in the future.

We have limited control over activities on properties we do not operate, which could increase capital expenditures.

We operate 88% of our net productive oil and natural gas wells, which represents 92% of our proved developed producing reserves as of December 31, 2021.  If we do not operate the properties in which we own an interest, we do not have control over normal capital expenditures or future development of those properties.  The success and timing of our drilling and development activities on properties operated by others therefore depends upon a number of factors outside of our control, including the operator’s decisions with respect to the timing and amount of capital expenditures, the period of time over which the operator seeks to generate a return on capital expenditures, inclusion of other participants in drilling wells, the use of technology, as well as the operator’s expertise and financial resources and the operator’s relative interest in the field.  Accordingly, while we use reasonable efforts to cause the operator to act in a prudent manner, we are limited in our ability to do so.

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We depend on computer and telecommunications systems, and failures in our systems or cybersecurity attacks could have a material adverse effect on our business, financial condition, results of operations or cash flowsflows.

Our business has become increasingly dependent upon digital technologies to conduct day-to-day operations, including information systems, infrastructure and cloud applications.  We have entered into agreements with third parties for hardware, software, telecommunications and other information technology services in connection with our business.  In addition, we have developed proprietary software systems, management techniques and other information technologies incorporating software licensed from third parties.  We rely on such systems to process, transmit and securely store electronic information, including financial records, banking information and personally identifiable information such as contractor, investor and payroll data, and to manage or support a variety of business processes, including our supply chain, pipeline operations, gathering and processing operations, financial transactions, banking and numerous other processes and transactions.  

As dependence on digital technologies has increased, cyber incidents, including deliberate attacks and unintentional events, also have increased in frequency.  A cyber-attack could include unauthorized access to digital systems for purposes of misappropriating assets or sensitive information, corrupting data, or causing operational disruption, or result in denial-of-service on websites.  It is possible that we could incur interruptions or loss of data from cybersecurity attacks, computer viruses or malware, or that third-party service providers could cause a breach of our data.  Any interruptions to our arrangements with third parties for our computing and communications infrastructure or any other interruptions to, or breaches of, our information systems could lead to data corruption, communication interruption, loss of sensitive or confidential information or otherwise significantly disrupt our business operations.  

Strategic targets, such as energy-related assets and transportation assets, may be at greater risk of future cyber-attacks than other targets.  The various procedures, facilities, infrastructure and controls we utilize to monitor these threats and mitigate our exposure to such threats are costly and labor intensive.  Moreover, there can be no assurance that such measures will be sufficient to prevent security breaches from occurring.  We do not expect to obtain or maintain specialized insurance for possible liability or loss resulting from a cyber-attack on our assets that may shut down all or part of our business.  However, as cyber threats continue to evolve, we may be required to expend significant additional resources to continue to modify or enhance our protective measures or to investigate and remediate any information security vulnerabilities.  State and federal cybersecurity legislation could also impose new requirements, which could increase our cost of doing business.  

To our knowledge we have not experienced any material losses relating to cyber-attacks; however, there can be no assurance that we will not suffer material losses in the period recognized.

We may continuefuture either as a result of an interruption to incur cashor a breach of our systems or those of our third-party vendors and noncash chargesservice providers.  A cyber incident involving our information systems and related infrastructure, or that wouldof third parties, could disrupt our business plans and negatively impact our future results of operations and liquidity.

While executing our strategic priorities to reduce financial leverage and complexity and to lower our capital expenditures in the facefollowing ways, among others, any of lower commodity prices, we have incurred certain cash charges.  As we continue to focus on our strategic priorities, we may incur additional cash and noncash charges in the future.  If incurred, these chargeswhich could have a material adverse effect on our liquidity andreputation, business, financial condition, results of operations in the period recognized.

Federal, state and local legislative and regulatory initiatives relating to hydraulic fracturing could result in increased costs and additional operating restrictions or delays.cash flows:

unauthorized disclosure of sensitive or personally identifiable information, including by cyber-attacks or other security breaches, could cause loss of data, give rise to remediation or other expenses, expose us to liability under federal and state laws, reduce our customers’ willingness to do business with us, disrupt the services we provide to customers and property owners and subject us to litigation and investigations;
a cyber-attack on a third party could result in supply chain disruptions which could delay or halt development of additional infrastructure, effectively delaying the start of cash flow from the project;
a cyber-attack on downstream or midstream pipelines could prevent us from delivering product, resulting in a loss of revenues;
a cyber-attack on a communications network or power grid could cause operational disruption resulting in a loss of revenues;
a deliberate corruption of our financial or operational data could result in events of non-compliance which could lead to regulatory fines or penalties; and
business interruptions could result in expensive remediation efforts, distraction of management, damage to our reputation, or a negative impact on the price of our common shares.

Hydraulic fracturing is an important and common practice that is used to stimulate production of hydrocarbons from tight rock formations.  The process involves the injection of mainly water and sand plus a de minimis amount of chemicals under pressure into formations to fracture the surrounding rock and stimulate production.  We expect that we will utilize hydraulic fracturing for the foreseeable future to complete or recomplete wells in the areas in which we work.  Hydraulic fracturing is typically regulated at the state level, however, the U.S. Environmental Protection Agency (the “EPA”) issued guidance in 2014 to address hydraulic fracturing injections involving diesel.  In addition, in June 2016, the EPA issued a final rule promulgating pretreatment standards for discharges of wastewater pollutants from onshore unconventional oil and gas extraction facilities to publicly-owned treatment works.  The EPA,26

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alongDrilling for and producing oil and natural gas are high-risk activities with many uncertainties that could adversely affect our business, financial condition, results of operations or cash flows.

Our future success will depend on the success of our development and production activities.  Our oil and natural gas development activities are subject to numerous risks beyond our control, including the risk that drilling will not result in commercially viable oil or natural gas production or that production will fall short of our estimates.  Our decisions to purchase, explore, develop or otherwise exploit prospects or properties will depend in part on the evaluation of data obtained through geophysical and geological analyses, production data and engineering studies, the results of which are often inconclusive or subject to varying interpretations.  Refer to the Risk Factor entitled “Reserve estimates depend on many assumptions that may turn out to be inaccurate...” for a discussion of the uncertainty involved in these processes.  Our cost of drilling, completing and operating wells is often uncertain before drilling commences.  Overruns in budgeted expenditures are common risks that can make a particular project uneconomical or, even if economical, less successful than we projected.  Further, many factors may curtail, delay or cancel drilling, including, but not limited to, the following:

substantial or extended declines in oil, NGL and natural gas prices;
delays imposed by or resulting from compliance with regulatory requirements;
delays in or limits on the issuance of drilling permits by state agencies or on our federal leases, including as a result of government shutdowns;
pressure or irregularities in geological formations;
limitations in infrastructure, including pipeline takeaway and refining and processing capacity;
shortages of or delays in obtaining qualified personnel or equipment, including drilling rigs and completion services;
equipment failures, accidents, fires and explosions, including ruptures of pipelines or storage facilities or train derailments;
adverse weather events, such as floods, blizzards, ice storms, tornadoes and freezing temperatures; and
title defects.

Unless we replace our oil and natural gas reserves, our reserves and production will decline and we may not be able to sustain production.

Unless we conduct successful development and production activities or acquire properties containing proved reserves, our proved reserves will decline over time.  Producing oil and natural gas reservoirs are generally characterized by declining production rates that vary depending upon reservoir characteristics and other factors.  Our future oil and natural gas reserves and production, and therefore our cash flow and income, are highly dependent on our success in efficiently developing and producing our current reserves and finding economically recoverable or acquiring additional economically recoverable reserves.  In pursuing acquisitions, we compete with other federal agencies such ascompanies, many of which have greater financial and other resources to acquire attractive companies or properties.  Therefore, we may not be able to develop, find or acquire additional reserves to sustain or replace our current and future production, which could adversely affect our business, financial condition, results of operations or cash flows.

Strategic determinations, including the U.S. Departmentallocation of Energy, the U.S. Government Accountability Office, the U.S. Departmentcapital and other resources to strategic opportunities, are challenging, and a failure to appropriately allocate capital and resources among our strategic opportunities may adversely affect our business, financial condition, results of Interioroperations or cash flows.

Our future growth prospects are dependent upon our ability to identify optimal strategies for investing our capital resources to produce favorable rates of return.  In developing our business plan, we consider allocating capital and the White House Council for Environmental Quality continueother resources to study various aspects of hydraulic fracturing.

In addition, legislation has been introduced in Congressour business including well development (primarily drilling), reserve acquisitions, corporate items and other alternatives.  We also consider our likely sources of capital, including cash generated from time to time to provide for federal regulation of hydraulic fracturingoperations and to require disclosure ofborrowings under the chemicals usedCredit Agreement.  Notwithstanding the determinations made in the fracturing process.  Multiple states,development of our business plan, business opportunities not previously identified periodically come to our attention, including Texas, Coloradopossible acquisitions and Wyoming have already adopted rules requiring disclosuresdispositions.  If we fail to identify optimal business strategies or fail to optimize our capital investment and capital raising opportunities and the use of chemicals usedour other resources in hydraulic fracturingfurtherance of our business strategies, our financial condition and others have enacted regulations imposing additional requirements on activities involving hydraulic fracturing.  Chemical disclosure regulationsfuture growth may increase compliance costsbe adversely affected.  Moreover, economic or other circumstances may change from those contemplated by our business plan and our failure to recognize or respond to those changes may limit our ability to use cutting-edge technologyachieve our objectives.

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Part of our business strategy includes selling properties and this subjects us to various risks.

Part of our business strategy includes selling properties when we believe that the sales price realized will provide an above average rate of return for the property or when the property no longer matches the profile of properties we desire to own.  However, there is no assurance that such sales will occur in markets where disclosure is required.  Further, lawsthe time frames or with the economic terms we expect.  Unless we conduct successful exploration, development and production activities or acquire properties containing proved reserves, divestitures of our properties will reduce our proved reserves and potentially our production.  We may not be able to develop, find or acquire additional reserves sufficient to replace such reserves and production from any of the properties we sell.  Additionally, agreements pursuant to which we sell properties may include terms that survive closing of the sale, including but not limited to indemnification provisions, which could result in us retaining substantial liabilities.

Our identified drilling locations are scheduled out over several years, making them susceptible to uncertainties that could materially alter the occurrence or timing of their drilling.

We have specifically identified and scheduled drilling locations as an estimation of our future multi-year drilling activities on our existing acreage.  These scheduled drilling locations represent a significant part of our business strategy.  Our ability to drill and develop these locations depends on a number of uncertainties, including oil and natural gas prices, the availability of capital, costs of oil field goods and services, drilling results, our ability to extend drilling acreage leases beyond expiration, regulatory approvals and other factors.  Because of these uncertainties, we do not know if the numerous potential drilling locations we have identified will ever be drilled or if we will be able to produce oil or gas from these or any other potential drilling locations.  As such, our actual drilling activities may materially differ from our current plan, and this could adversely affect our business, financial condition, results of operations or cash flows or require us to remove certain proved undeveloped reserves from our proved reserve base if we are unable to drill PUD locations within the SEC’s prescribed 5-year window.

Properties that we acquire may not produce as projected, and we may be unable to identify liabilities associated with the properties or obtain indemnities from sellers for liabilities they may have created.

Our business strategy includes a continuing acquisition program.  The successful acquisition of producing properties requires assessment of many factors, which are inherently inexact and may be inaccurate, including, but not limited to, the following:

the anticipated levels of recoverable reserves, earnings or cash flow;
future oil and natural gas prices;
estimates of operating costs;
estimates of future development costs;
timing of future development costs;
estimates of the costs and timing of plugging and abandonment; and
the assumption of unknown potential environmental and other liabilities, losses or costs, including but not limited to title defects, historical spills or releases for which we are not indemnified or for which our indemnity is inadequate.

Furthermore, acquisitions pose substantial risks to our business, financial condition, results of operations and cash flows.  The risks associated with acquisitions, either completed or future acquisitions, include, but are not limited to:

we may be unable to integrate acquired businesses successfully and to realize anticipated economic, operational and other benefits in a timely manner, which could result in substantial costs and delays or other operational, technical or financial problems;
acquisitions could disrupt our ongoing business, distract management, divert resources and make it difficult to maintain our current business standards, controls and procedures; and
we may issue additional equity or debt securities in order to fund future acquisitions.

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Our assessment of a potential acquisition will not reveal all existing or potential problems, nor will it permit us to become familiar enough with the properties to assess fully their capabilities and deficiencies.  In the course of our due diligence, we may not inspect every well, platform, facility or pipeline.  Inspections may not reveal structural and environmental problems, such as those restrictingpipeline corrosion or groundwater contamination, when they are made.  We may not be able to obtain contractual indemnities from the seller for liabilities that it created.  We may be required to assume the risk of the physical condition of the properties in addition to the risk that the properties may not perform in accordance with our expectations.

We expect to consider from time to time further strategic opportunities that may involve acquisitions, dispositions, investments in joint ventures, partnerships, and other strategic alternatives that may enhance shareholder value, any of which may result in the use of a significant amount of our management resources or regulatingsignificant costs, and we may not be able to fully realize the potential benefit of such transactions.

We expect to continue to consider acquisitions, dispositions, investments in joint ventures, partnerships, and other strategic alternatives with the objective of maximizing shareholder value.  Our Board and our management may from time placeto time be engaged in evaluating potential transactions and mannerother strategic alternatives.  In addition, from time to time, we may engage financial advisors, enter into non-disclosure agreements, conduct discussions, and undertake other actions that may result in one or more transactions.  Although there would be uncertainty that any of drillingthese activities or hydraulic fracturing (such as setback ordinances)discussions would result in definitive agreements or the completion of any transaction, we may devote a significant amount of our management resources to analyzing and pursuing such a transaction, which could negatively impact our operations, and may impair our ability to fully extract reserves.  No assurance can be given as to whether or not such measures might be considered or implemented in the jurisdictions in which our properties are located.  If new laws, regulations or ordinances that significantly restrict or otherwise impact hydraulic fracturing are passed by Congress or adopted in the states or local municipalities where our properties are located, such legal requirements could prohibit or make it more difficult or costly for us to perform hydraulic fracturing activities.

Further, in May 2014, the EPA published an Advance Notice of Proposed Rulemaking under the Toxic Substances Control Act, relating to the disclosure of chemical substancesretain and mixtures used in oil and gas exploration and production.  On July 11, 2014, the EPA extended the public comment period for the rulemaking to September 18, 2014.  The EPA has not yet taken further action with respect to this rule.  Depending on the precise disclosure requirements the EPA elects to impose, if any, we may be obliged to disclose valuable proprietary information, and failure to do so may subject us to penalties.motivate key personnel.  In addition, we may incur significant costs in connection with seeking such transactions or other strategic alternatives regardless of whether the transaction is completed.  In the event that we consummate an acquisition, disposition, partnership or other strategic transaction in the future, we cannot be required to disclose informationcertain that we would fully realize the potential benefit of such a transaction and cannot predict the impact that such strategic transaction might have on our operations or stock price.  Any potential transaction would be dependent upon a number of factors that may be beyond our control, including, among other factors, market conditions, industry trends, regulatory limitations and the interest of third parties in us and our assets.  There can be no assurance that the exploration of strategic alternatives will result in any specific action or transaction.  Further, any such strategic alternative may not ultimately lead to increased shareholder value.  We do not undertake to provide updates or make further comments regarding the evaluation of strategic alternatives, unless otherwise required by law.

Competition in the oil and gas industry and from alternative energy sources is intense, which may adversely affect our ability to achieve our strategic goals.

We operate in a highly competitive environment for acquiring properties, obtaining investment capital, securing oilfield goods and services, marketing oil and natural gas products and attracting and retaining qualified personnel.  Many of our competitors possess and employ financial, technical and personnel resources substantially greater than ours, which can be inaccurate orparticularly important in the areas in which we operate.  Those companies may be contractually prohibited from disclosing, which could also subject usable to penalties.

In addition, in July 2014,pay more for productive oil and gas properties and exploratory prospects and to evaluate, bid for and purchase a major universitygreater number of properties and prospects than our resources allow.  Furthermore, competitive conditions may be substantially affected by various forms of energy legislation or regulation enacted by state, local and U.S. Geological Survey researchers published a study purportinggovernment bodies and their associated agencies, especially with regards to environmental protection and climate-related policies.  Such laws and regulations may substantially increase the costs of exploring for or developing or producing oil and natural gas and our larger competitors may be able to better absorb the burden of such legislation and regulation, which would also adversely affect our competitive position.  Our ability to acquire additional prospects and to find and develop reserves in the future will depend on our ability to evaluate and select suitable properties and to consummate transactions in a connection betweenhighly competitive environment.  We may not be able to compete successfully in the deep well injectionfuture in acquiring prospective reserves, developing reserves, marketing hydrocarbons, attracting and retaining quality personnel and raising additional capital.

We also face indirect competition from alternative energy sources, such as wind, solar, nuclear, hydrogen and electric power.  The proliferation of hydraulic fracturing wastewateralternative energy sources and a sharpbusinesses that provide such alternative energy sources may decrease the demand for oil and natural gas products.  These alternative energy sources may increase in seismic activitythe future in Oklahoma since 2008.  This study, as well as subsequent studiesresponse to concerns about climate change or the enactment of climate-related policies.  Decreased demand for our products could adversely affect our business, financial condition, results of operations or cash flows.

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Risks Related to Our Capital Structure and reports,Financial Results

Our use of oil, natural gas and natural gas liquids price hedging contracts involves only a portion of our anticipated production, may trigger new legislation or regulations that would limit or banhigher cash flows in the disposalfuture in connection with commodity price increases and may result in significant fluctuations in our net income.

We enter into hedging transactions relating to our oil, natural gas and NGL production to reduce our exposure to fluctuations in the price of hydraulic fracturing wastewater in deep injection wells.  If such new laws or rules are adopted, our operations may be curtailed while alternative treatmentoil, natural gas and disposal methods are developedNGLs.  Our hedging transactions to date have consisted of financially settled crude oil, natural gas and approved.

NGL options contracts, primarily two-way collars and swaps, placed with major financial institutions.  As of February 17, 2022, we had crude oil derivative contracts (consisting of collars and swaps) covering the sale of 39,000 Bbl and 16,000 Bbl of oil per day for the remainder of 2022 and the first three quarters of 2023, respectively.  Additionally, we had natural gas derivative contracts (consisting of collars, swaps and basis swaps) covering the sale of 95,000 MMBtu and 61,000 MMBtu of natural gas per day through the remainder of 2022 and first three quarters of 2023, respectively.  Finally, we had NGL derivative contracts (consisting of swaps) covering the sale of 223,000 gallons of NGLs per day for the remainder of 2022.  Refer to “Hydraulic Fracturing”“Quantitative and Qualitative Disclosures about Market Risk” in Item 27A and the “Derivative Financial Instruments” footnote of the consolidated financial statements in Item 8 of this Annual Report on Form 10-K for pricing information and a more information on hydraulic fracturing.detailed discussion of our hedging transactions.

We havemay in the future enter into these and other types of hedging arrangements to reduce our exposure to fluctuations in the market prices of oil, natural gas and NGLs, or alternatively, we may decide to unwind or restructure the hedging arrangements we previously entered into physical delivery contractsinto.  Hedging transactions expose us to risk of financial loss in some circumstances, including if production is less than expected, the other party to the contract defaults on its obligations or there is a change in the expected differential between the underlying price in the hedging agreement and do not expectactual prices received.  Hedging transactions may limit the benefit we may otherwise receive from increases in the price for oil, natural gas and NGLs.  Furthermore, if we are party to hedging transactions that cover a smaller percentage of our production than our competitors, we may be ablemore adversely affected by declines in oil and natural gas prices than those competitors.  Additionally, hedging transactions may expose us to delivercash margin requirements.

We recognize all gains and losses from changes in commodity derivative fair values immediately in earnings rather than deferring any such amounts in accumulated other comprehensive income (loss).  Consequently, we may experience significant net losses, on a non-cash basis, due to changes in the oil required under such contracts and,value of our hedges as a result of commodity price volatility.  Additionally, settlements paid on hedging arrangements may significantly decrease our cash flow from operating activities in periods where current commodity prices are higher than the ceilings or swap price of certain hedging arrangements.  

Also, in 2010, the U.S. Congress adopted the Dodd-Frank Act, which, among other provisions, established federal oversight and regulation of the over-the-counter derivatives market.  The regulations could increase the cost of derivative contracts, reduce the availability of derivatives to protect against risks we expect we willencounter, reduce our ability to monetize or restructure existing derivative contracts, lead to fewer potential counterparties, and increase our exposure to less creditworthy counterparties, any of which could limit our desire and ability to implement commodity price risk management strategies.  If our use of derivatives becomes limited as a result of the regulations, our results of operations may become more volatile and our cash flows may be required to make deficiency payments.

Asless predictable.  Certain aspects of December 31, 2019, we had three physical delivery contracts which require us to deliver fixed volumes of crude oil.  One of these contracts is tied to oil production at our Sanish field in Mountrail County, North Dakota, the second is tied to oil production in the Williston BasinDodd-Frank rulemaking have been repealed or have not been finalized and the third is tied to oil production atultimate effect of the regulations on our Redtail field in Weld County, Colorado.  Although we believe that our production and reserves are sufficient to fulfill the delivery commitments at our Sanish field in North Dakota and the Williston Basin, if we fail to deliver the committed volumes, we would be required to pay deficiency payments of $7.00 and $5.75, respectively, per undelivered barrel (subject to upward adjustment).  At our Redtail field, we have determined that it is not probable that future oil production will be sufficient to meet the minimum volume requirements under the contract in this area.  We expect to make periodic deficiency payments under the Redtail contract that currently total $5.24 per undelivered Bbl through the April 2020 termination date.  During 2019, 2018 and 2017, total deficiency payments under this contract amounted to $64 million, $37 million and $42 million, respectively.  Refer to “Properties – Delivery Commitments” for more information about these delivery contracts.business remains uncertain.

Reserve estimates depend on many assumptions that may turn out to be inaccurate.  Any material inaccuracies in these reserve estimates or underlying assumptions will materially affect the quantities and present value of our reserves.

The process of estimating oil and natural gas reserves is complex.  It requires interpretations of available technical data and many assumptions, including assumptions relating to economic factors.  Any significant inaccuracies in these interpretations or assumptions could materially affect the estimated quantities and present value of reserves referred to in this Annual Report on Form 10-K.

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In order to prepare our estimates, we must project production rates and timing of development expenditures.  We must also analyze available geological, geophysical, production and engineering data.  The extent, quality and reliability of this data can vary.  The process also requires economic assumptions about matters such as the following, among others:

historical production from the area compared with production rates from other producing areas;
the assumed effect of governmental regulation; and
assumptions about future prices of oil, NGLs and natural gas including differentials, production and development costs, gathering and transportation costs, severance and excise taxes, capital expenditures and availability of funds.

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Therefore, estimates of oil and natural gas reserves are inherently imprecise.  Actual future production, oil, NGL and natural gas prices, revenues, taxes, exploration and development expenditures, operating expenses and quantities of recoverable oil and natural gas reserves will most likely vary from our estimates.  Any significant variance could materially affect the estimated quantities and present value of reserves referred to in this Annual Report on Form 10-K.  In addition, we may adjust estimates of proved reserves to reflect production history, results of exploration and development, prevailing oil and natural gas prices and other factors, many of which are beyond our control.

You should not assume that the present value of future net revenues from our proved reserves, as referred to in this report, is the current market value of our estimated proved oil and natural gas reserves.  In accordance with SEC requirements, we base the estimated discounted future net cash flows from our proved reserves on 12-month average prices and current costs as of the date of the estimate.  The 12-month average prices used for the year ended December 31, 20192021 were $55.69$66.56 per Bbl of oil and $2.58$3.60 per MMBtu of natural gas.  Actual future prices and costs may differ materially from those used in the estimate.  If the 12-month average oil prices used to calculate our oil reserves decline bywere $1.00 per Bbl lower, then the standardized measure of discounted future net cash flows of our estimated proved reserves as of December 31, 20192021 would have decreased by $137$71 million.  If the 12-month average natural gas prices used to calculate our natural gas reserves decline bywere $0.10 per MMBtu lower, then the standardized measure of discounted future net cash flows of our estimated proved reserves as of December 31, 20192021 would have decreased by $41$17 million.

Our explorationability to use our NOLs in future periods may be limited.  

As of December 31, 2021, we had U.S. federal NOLs of $3.3 billion, the majority of which will expire between 2022 and 2037, if not limited by triggering events prior to such time.  Under the provisions of the Internal Revenue Code (“IRC”), changes in our ownership, in certain circumstances, will limit the amount of U.S. federal NOLs that can be utilized annually in the future to offset taxable income.  In particular, Section 382 of the IRC imposes limitations on a company’s ability to use NOLs upon certain changes in such ownership.  As a result of the chapter 11 reorganization and related transactions, we experienced an ownership change within the meaning of IRC Section 382 that subjected certain of our tax attributes, including NOLs, to an IRC Section 382 limitation.  Calculations pursuant to Section 382 of the IRC can be very complicated and no assurance can be given that upon further analysis, our ability to take advantage of our NOLs may be limited to a greater extent than we currently anticipate.  If we are limited in our ability to use our NOLs in future years in which we have taxable income, we will pay more taxes than if we were able to utilize our NOLs fully, which could have a negative impact on our financial position and results of operations.  Additionally, we may experience ownership changes in the future as a result of subsequent shifts in our stock ownership that we cannot predict or control that could result in further limitations being placed on our ability to utilize our federal NOLs.

The Credit Agreement contains various covenants limiting the discretion of our management in operating our business.

The Credit Agreement contains various restrictive covenants that may limit our management’s discretion in certain respects.  In particular, the agreement limits our and our subsidiaries’ ability to, among other things:

prepay, redeem or repurchase certain debt;
pay dividends or make other distributions or repurchase or redeem our capital stock;
make loans and investments;
incur or guarantee additional indebtedness or issue preferred stock;
create certain liens;
enter into agreements that restrict dividends or other payments from our restricted subsidiaries to us;
sell assets;
consolidate, merge or transfer all or substantially all of our assets and those of our restricted subsidiaries taken as a whole;
engage in transactions with affiliates;
enter into hedging contracts; and
create unrestricted subsidiaries.

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The Credit Agreement requires us, as of the last day of any quarter, to maintain commodity hedges covering a minimum of 50% of our projected production for the succeeding twelve months.  If our consolidated net leverage ratio equals or exceeds 1.0 to 1.0 as of the last day of any fiscal quarter we will also be required to hedge 35% of our projected production for the next succeeding twelve months.  We are also limited to hedging a maximum of 85% of our production from proved reserves.  In addition, the Credit Agreement requires us, as of the last day of any quarter to maintain the following ratios (as defined in the Credit Agreement): (i) a consolidated current assets to consolidated current liabilities ratio of not less than 1.0 to 1.0 and (ii) a total debt to last four quarters’ EBITDAX ratio of not greater than 3.5 to 1.0.  Factors that may adversely affect our ability to comply with these covenants include oil or natural gas price declines, lack of liquidity in property and capital markets and our inability to execute on our development plan.

Moreover, the borrowing base limitation in the Credit Agreement is redetermined on April 1 and October 1 of each year and may be the subject of special redeterminations described in the Credit Agreement based on an evaluation of our oil and gas reserves.  Because oil and gas prices are principal inputs into the valuation of our reserves, if oil and gas prices decline, our borrowing base could be reduced at the next redetermination date or during future redeterminations.  Upon a redetermination, if total outstanding credit exposure exceeds the redetermined borrowing base, we will be required to prepay outstanding borrowings under the Credit Agreement and we may not have, or be able to obtain, the funds necessary to do so.

Our debt level and the covenants in the Credit Agreement could negatively impact our financial condition, results of operations, cash flows and business prospects.

As of December 31, 2021, we had no borrowings and $1 million in letters of credit outstanding under the Credit Agreement with $749 million of available borrowing capacity.  The Credit Agreement matures on April 1, 2024.  We are allowed to incur additional indebtedness, provided that we meet certain requirements in the Credit Agreement.

Our level of indebtedness and the covenants contained in the agreements governing our debt could have important consequences for our operations, including, but not limited to:

requiring us to dedicate a substantial portion of our cash flow from operations to required payments on debt, thereby reducing the availability of cash flow for working capital, capital expenditures and other general business activities;
limiting our ability to obtain additional financing in the future for working capital, capital expenditures, acquisitions and general corporate and other activities;
increasing the possibility that we may be unable to generate sufficient cash to pay, when due, the principal of, interest on or other amounts due or otherwise refinance our indebtedness;
limiting our flexibility in planning for, or reacting to, changes in our business and the industry in which we operate;
placing us at a competitive disadvantage relative to other less leveraged competitors;
making us vulnerable to increases in interest rates, because debt under the Credit Agreement is subject to certain rate variability;
making us more vulnerable to economic downturns and adverse developments in our industry or the economy in general, especially declines in oil and natural gas prices; and
reducing our borrowing base when oil and natural gas prices decline and our ability to maintain compliance with our financial covenants becomes more difficult, which may reduce or eliminate our ability to fund our operations.

Should we have borrowings outstanding under the Credit Agreement in the future, we may be required to repay all or a portion of our debt on an accelerated basis in certain circumstances.  If we fail to comply with the covenants and other restrictions in the agreements governing our debt, it could lead to an event of default and the acceleration of our repayment of any outstanding debt.  Refer to the Risk Factor entitled “The Credit Agreement contains various covenants limiting the discretion of our management in operating our business.”

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Our development operations require substantial capital, and we may be unable to obtain needed capital or financing on satisfactory terms, which could lead to a loss of properties and a decline in our oil and natural gas reserves.

The oil and gas industry is capital intensive.  We make and expect to continue to make substantial capital expenditures in our business and operations for the exploration, development, production and acquisition of oil and natural gas reserves.  To date, we have financed capital expenditures through a combination of internally generated cash flows, equity and debt issuances, bank borrowings, agreements with industry partners and oil and gas property divestments.  We intend to finance future capital expenditures substantially with cash flow from operations, cash on hand and borrowings under our credit agreement and proceedsthe Credit Agreement, although we may seek capital from asset divestitures.additional sources as needed.  Our cash flow from operations and access to capital is subject to a number of variables, including, but not limited to:

the prices at which oil and natural gas are sold;
our proved reserves;
the level of oil and natural gas we are able to produce from existing wells;
the costs of producing oil and natural gas; and
our ability to acquire, locate and produce new reserves.

If our revenues or the borrowing base under our credit agreementthe Credit Agreement decrease as a result of lower oil and natural gas prices, operating difficulties, declines in reserves, or for any other reason, then we may have limited ability to obtain the capital necessary to sustain our operations at current levels.

We may, from time to time, need to seek additional financing.  There can be no assurance as to the availability or terms of any additional financing.  Disruptions in the capital and credit markets, particularly in the energy sector, could limit our ability to access these markets

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or may significantly increase our cost to borrow.  If cash generated by operations or availableavailability under our revolving credit facilitythe Credit Agreement is not sufficient to meet our capital requirements, the inability to access the cash and credit markets to obtain additional financing, on favorable terms or otherwise, could result in a curtailment of our operations relating to the exploration and development of our prospects, which in turn could lead to a possible loss of properties and a decline in our oil and natural gas reserves.

UnlessIf we replace ourare unable to generate enough cash flow from operations to service any indebtedness we incur or are unable to use future borrowings to fund other capital needs, we may have to undertake alternative financing plans, which may have onerous terms or may be unavailable.

Our earnings and cash flow could vary significantly from year to year due to the volatility of oil and natural gas reserves, our reserves and production will decline,prices.  As a result, the amount of debt that we can manage in some periods may not be able to sustain production.

Unless we conduct successful exploration, development and production activities or acquire properties containing proved reserves,appropriate for us in other periods.  Additionally, our proved reserves will decline over time.  Producing oil and natural gas reservoirs are generally characterized by declining production rates that vary depending upon reservoir characteristics and other factors.  Our future oil and natural gas reserves and production, and therefore our cash flow may be insufficient to meet our commitments, including any indebtedness that we may incur in the future under the Credit Agreement or other arrangements.  A range of economic, competitive, business and income, are highly dependent onindustry factors will affect our success in efficiently developingfuture financial performance and, producingas a result, our current reservesability to generate cash flow from operations and finding economically recoverable or acquiring additional economically recoverable reserves.  In pursuing acquisitions, we compete with other companies,meet our obligations.  Factors that may cause us to generate cash flow that is insufficient to meet our obligations include events and risks related to our business, many of which are beyond our control.  Any cash flow insufficiency would have greater financial and other resources to acquire attractive companies or properties.  Therefore, we may not be able to develop, find or acquire additional reserves to sustain or replace our current and future production, which could adversely affecta material adverse impact on our business, financial condition, results of operations, cash flows and liquidity and our ability to repay or refinance any debt.  If we do not generate sufficient cash flows.flow from operations to service any indebtedness we incur, we may be required to undertake various alternative financing plans, which may include:

refinancing or restructuring all or a portion of our debt;
seeking alternative financing or additional capital investment;
selling strategic assets;
reducing or delaying capital investments; or
revising or delaying our strategic plans.

Our credit ratingWe cannot assure you that we would be able to implement any of the above alternative financing plans, if necessary, on commercially reasonable terms or at all.  If we incur indebtedness in the future and cannot make scheduled payments on that indebtedness or otherwise fail to comply with the covenants and other restrictions in the agreements governing our debt, we will be in default and the lenders under the Credit Agreement could negatively impact our availabilitydeclare all outstanding principal and cost of capitalinterest to be due and payable.  Additionally, the lenders under the Credit Agreement could terminate their commitments to loan money and could require us to post more collateral under certain commercial arrangements.

Some offoreclose against our counterparties have requested or required us to post collateral as financial assurance ofassets collateralizing our performance under certain contractual arrangements, such as gathering, transportation, processing and hedging agreements.  These collateral requirements depend, in part, on our credit rating.  We may be requested or required by other counterparties to post additional collateral, which may be in the form of additional letters of credit, cash or other acceptable collateral.  Any downgrade to our credit ratings could impact the posting of collateral consisting of cash or letters of credit, which would reduce availability under our credit agreement and negatively impact our liquidity.

Market conditions or operational impediments may hinder our access to oil and gas markets or delay our production.

In connection with our continued development of oil and gas properties, we are exposed to the impact of delays or interruptions of production from wells on these properties, caused by transportation capacity constraints, curtailment of production or the interruption of transporting oil and gas volumes produced.  In addition, market conditions or a lack of satisfactory oil and gas transportation arrangements may hinder our access to oil and gas markets or delay our production.  The availability of a ready market for our oil, NGL and natural gas production depends on a number of factors, including the demand for and supply of oil, NGLs and natural gas, downstream market conditions and competing supply alternatives.  Our ability to market our production also depends substantially on the availability and capacity of gathering systems, pipelines and processing facilities owned and operated by third parties and the ability to obtain such services on acceptable terms.  We may be disproportionately exposed to the impact of delays or interruptions of production caused by market constraints or the interruption of transporting oil and gas produced.  This could lead to production curtailments or shut-ins, and reduced revenue which could materially harm our business.  We may enter into arrangements for transportation services and sales to reduce curtailment risks.  However, these services expose us to the risk that third parties will default on their obligations under such arrangements.  

Risks associated with the production, gathering, transportation and sale of oil, NGLs and natural gas could adversely affect net income and cash flows.

Our net income and cash flows will depend upon, among other things, oil, NGL and natural gas production and the prices received and costs incurred to develop and produce oil and natural gas reserves.  Drilling, production or transportation accidents that temporarily or permanently halt the production and sale of oil, NGLs and natural gas will decrease revenues and increase expenditures.  For example, accidents may occur that result in personal injuries, property damage, damage to productive formations or equipment and environmental damages.  Any costs incurred in connection with any such accidents that are not insured against will have the effect of reducing net income.  We do not have insurance policies in effect that are intended to provide coverage for losses solely related to hydraulic fracturing operations.  Also, our oil, NGL and natural gas production depends in large part on the proximity and capacity of pipeline systems and transportation facilities which are mostly owned by third parties.  The lack of availability or the lack of capacity on these systems and facilities could result in the curtailment of production or the delay or discontinuance of drilling plans.  Similarly, curtailments or damage to pipelines and other transportation facilities used to transport oil, NGL and natural gas production to markets for sale could decrease revenues or increase transportation expenses.  Any such curtailments or damage to the gathering systems could also require finding

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alternative meansborrowings, and we could be forced into bankruptcy or liquidation.  If the amounts outstanding under our Credit Agreement were to transport oil, NGL and natural gas production, which alternative means could resultbe accelerated, we cannot assure you that our assets would be sufficient to repay in additional costs that will havefull the effect of increasing transportation expenses.

Also, accidents involving rail cars could result in significant personal injuries and property and environmental damage.  In May 2015, the Pipeline and Hazardous Material Safety Administration issued new rules applicable to “high-hazard flammable trains”, discussed in “Item 1 Business – Regulation – Regulation of Sale and Transportation of Oil” above, which could increase transportation expenses.  Similarly, regulatory responsesamounts owed to the October 2015 failure at a Southern California underground natural gas storage facility could also leadlenders.  Our inability to increased expenses for underground storage.

In addition, drilling, production and transportation of hydrocarbons bear the inherent risk of loss of containment.  Potential consequences include, but are not limitedgenerate sufficient cash flows to loss of reserves, loss of production, loss of economic value associated with the affected wellbore, personal injuries and death, contamination of air, soil, ground water and surface water, as well as potential fines, penaltiessatisfy our debt obligations, or damages associated with any of the foregoing consequences.

Part ofto refinance our business strategy includes selling properties which subjects us to various risks.

Part of our business strategy includes selling properties when we believe that the sales price realized will provide an above average rate of return for the property or when the property no longer matches the profile of properties we desire to own.  However, there is no assurance that such sales will occur in the time frames or with the economic terms we expect.  Unless we conduct successful exploration, development and production activities or acquire properties containing proved reserves, divestitures of our properties will reduce our proved reserves and potentially our production.  We may not be able to develop, find or acquire additional reserves sufficient to replace such reserves and production from any of the properties we sell.  Additionally, agreements pursuant to which we sell properties may include terms that survive closing of the sale, including but not limited to indemnification provisions, which could result in us retaining substantial liabilities.

Our acreage must be drilled before lease expiration, generally within three to five years, in order to hold the acreage by production.  Failure to drill sufficient wells in order to hold acreage will result in substantial lease renewal costs, or if renewal is not feasible, loss of our lease and prospective drilling opportunities.

Unless production is established on our undeveloped acreage, the underlying leases will expire.  As of December 31, 2019, the portion of our net undeveloped acreage that is subject to expiration over the next three years, if not successfully developed or renewed, is approximately 18% in 2020, 13% in 2021 and 15% in 2022.  The cost to renew such leases may increase significantly, and we may not be able to renew such leasesindebtedness on commercially reasonable terms or at all.  In addition, on certain portions of our acreage, third-party leases become immediately effective if our leases expire.  As such, our actual drilling activities may materially differ from our current expectations, which could adversely affect our business, financial condition, results of operations or cash flows.

The unavailability or cost of additional drilling rigs, equipment, supplies, personnel and oil field services could adversely affect our ability to execute our exploration and development plans on a timely basis or within our budget.

The demand for qualified and experienced field personnel to conduct field operations, geologists, geophysicists, engineers and other professionals in the oil and natural gas industry can fluctuate significantly, often in correlation with oil and natural gas prices, causing periodic shortages.  Historically, there have been shortages of drilling rigs, completion crews and other oilfield equipment as demand for these items has increased along with the number of wells being drilled and completed.  These factors also cause significant increases in costs for equipment, services and personnel.  Higher oil and natural gas prices generally stimulate demand and result in increased prices for drilling rigs and other oilfield goods and services.  Shortages of field personnel and other professionals, drilling rigs, completion crews, equipment or supplies or price increases could delay or adversely affect our exploration and development operations, which could restrict such operations or have a material adverse effect on our business, financial condition, results of operations or cash flows.

Our identified drilling locations are scheduled out over several years, making them susceptible to uncertainties that could materially alter the occurrence or timing of their drilling.

We have specifically identified and scheduled drilling locations as an estimation of our future multi-year drilling activities on our existing acreage.  These scheduled drilling locations represent a significant part of our growth strategy.  Our ability to drill and develop these locations depends on a number of uncertainties, including oil and natural gas prices, the availability of capital, costs of oil field

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goods and services, drilling results, our ability to extend drilling acreage leases beyond expiration, regulatory approvals and other factors.  Because of these uncertainties, we do not know if the numerous potential drilling locations we have identified will ever be drilled or if we will be able to produce oil or gas from these or any other potential drilling locations.  As such, our actual drilling activities may materially differ from those presently identified, which could in turn adversely affect our business, financial condition, results of operations or cash flows or require us to remove certain proved undeveloped reserves from our proved reserve base if we are unable to drill those PUD locations within the SEC’s 5-year window.

Weaker price differentials and/or weaker benchmark prices of oil and natural gas and the wellhead price we receive could have a material adverse effect on our business, financial condition, results of operations or cash flows.

The prices that we receive for our oil and natural gas production generally trade at a discount, but sometimes at a premium, to the relevant benchmark prices such as NYMEX.  A negative or positive difference between the benchmark price and the price received is called a differential.  The differential may vary significantly due to market conditions, the quality and location of production and other risk factors, as demonstrated in the fourth quarter of 2018 when our oil differentials weakened substantially.  We cannot accurately predict oil and natural gas differentials.  Changes in the differential and decreases in the benchmark price for oil and natural gas could have a material adverse effect on our business, financial condition, results of operations or cash flows.

Properties that we acquire may not produce as projected, and we may be unable to identify liabilities associated with the properties or obtain indemnities from sellers for liabilities they may have created.

Our business strategy includes a continuing acquisition program.  From 2010 through 2019, we completed 7 separate significant acquisitions of producing properties with a combined purchase price of $4.6 billion for estimated proved reserves as of the effective dates of the acquisitions of 240.2 MMBOE.  The successful acquisition of producing properties requires assessment of many factors, which are inherently inexact and may be inaccurate, including, but not limited to, the following:

the anticipated levels of recoverable reserves, earnings or cash flow;
future oil and natural gas prices;
estimates of operating costs;
estimates of future development costs;
timing of future development costs;
estimates of the costs and timing of plugging and abandonment; and
the assumption of unknown potential environmental and other liabilities, losses or costs, including for example, title defects, historical spills or releases for which we are not indemnified or for which our indemnity is inadequate.

Furthermore, acquisitions pose substantial risks to our business, financial condition, results of operations and cash flows.  The risks associated with acquisitions, either completed or future acquisitions, include, but are not limited to:

we may be unable to integrate acquired businesses successfully and to realize anticipated economic, operational and other benefits in a timely manner, which could result in substantial costs and delays or other operational, technical or financial problems;
acquisitions could disrupt our ongoing business, distract management, divert resources and make it difficult to maintain our current business standards, controls and procedures; and
we may issue additional equity or debt securities in order to fund future acquisitions.

Our assessment will not reveal all, existing or potential problems, nor will it permit us to become familiar enough with the properties to assess fully their capabilities and deficiencies.  In the course of our due diligence, we may not inspect every well, platform, facility or pipeline.  Inspections may not reveal structural and environmental problems, such as pipeline corrosion or groundwater contamination,

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when they are made.  We may not be able to obtain contractual indemnities from the seller for liabilities that it created.  We may be required to assume the risk of the physical condition of the properties in addition to the risk that the properties may not perform in accordance with our expectations.

Our use of oil and natural gas price hedging contracts involves only a portion of our anticipated production, may limit higher revenues in the future in connection with commodity price increases and may result in significant fluctuations in our net income.

We enter into hedging transactions of our oil and natural gas production revenues to reduce our exposure to fluctuations in the price of oil and natural gas.  Our hedging transactions to date have consisted of financially settled crude oil and natural gas options contracts, primarily costless collars and swaps, placed with major financial institutions.  As of February 20, 2020, we had contracts covering the sale of 31 MMBbl of oil per day for the remainder of 2020 and 6 MMBbl of oil per day for all of 2021.  All of our oil hedges will expire by December 2021.  Refer to “Quantitative and Qualitative Disclosures about Market Risk” in Item 7A and the “Derivative Financial Instruments” footnote of the consolidated financial statements in Item 8 of this Annual Report on Form 10-K for pricing information and a more detailed discussion of our hedging transactions.

We may in the future enter into these and other types of hedging arrangements to reduce our exposure to fluctuations in the market prices of oil and natural gas, or alternatively, we may decide to unwind or restructure the hedging arrangements we previously entered into.  Hedging transactions expose us to risk of financial loss in some circumstances, including if production is less than expected, the other party to the contract defaults on its obligations or there is a change in the expected differential between the underlying price in the hedging agreement and actual prices received.  Hedging transactions may limit the benefit we may otherwise receive from increases in the price for oil and natural gas.  Our three-way collars only provide partial protection against declines in market prices due to the fact that when the market price falls below the sub-floor, the minimum price we will receive will be NYMEX plus the difference between the floor and sub-floor.  Furthermore, if we do not engage in hedging transactions or unwind hedging transactions we previously entered into, then we may be more adversely affected by declines in oil and natural gas prices than our competitors who engage in hedging transactions.  Additionally, hedging transactions may expose us to cash margin requirements.

We recognize all gains and losses from changes in commodity derivative fair values immediately in earnings rather than deferring any such amounts in accumulated other comprehensive income (loss).  Consequently, we may experience significant net losses, on a non-cash basis, due to changes in the value of our hedges as a result of commodity price volatility.

Seasonal weather conditions and lease stipulations adversely affect our ability to conduct drilling activities in some of the areas where we operate.

Oil and gas operations in the Rocky Mountains are adversely affected by seasonal weather conditions and lease stipulations designed to protect various wildlife.  In certain areas, drilling and other oil and gas activities can only be conducted during certain months.  This limits our ability to operate in those areas and can intensify competition during those months for drilling rigs, oil field equipment, services, supplies and qualified personnel, which may lead to periodic shortages.  Resulting shortages or high costs could delay our operations, cause temporary declines in our oil and gas production and materially increase our operating and capital costs.

We may incur substantial losses and be subject to substantial liability claims as a result of our oil and gas operations.

We are not insured against all risks.  Losses and liabilities arising from uninsured and underinsured events couldwould materially and adversely affect our business, financial condition,position, results of operations orand cash flows.  Our

If oil, NGL and natural gas exploration and production activities are subjectprices decrease, we may be required to alltake write-downs of the operating risks associated with drilling forcarrying values of our oil and gas properties.

Accounting rules require that we periodically review the carrying value of our producing oil and natural gas including, but not limited to,properties for possible impairment.  Based on specific market factors and circumstances at the possibility of:

environmental hazards, such as uncontrollable flows of oil, gas, brine, well fluids, toxic gas or other pollution into the environment, including groundwater and shoreline contamination;
abnormally pressured formations;
mechanical difficulties, such as stuck oil field drilling and service tools and casing collapse;
the loss of well control;

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fires and explosions;
personal injuries and death;
terrorist attacks; and
natural disasters.

Any of these risks could adversely affect our ability to conduct operations or result in substantial losses to our company.  Weprospective impairment reviews (which may elect not to obtain insurance if we believe that the cost of available insurance is excessive relative to the risks presented.  In addition, pollution and environmental risks generally are not fully insurable.  If a significant accident or other event occurs and is not fully covered by insurance, then it could adversely affect us.

We have limited control over activities on properties we do not operate, which could reduce our production and revenues and increase capital expenditures.

We operate 88% of our net productiveinclude depressed oil, NGL and natural gas wells, which represents 92% of our proved developed producing reserves as of December 31, 2019.  If we do not operate the properties in which we own an interest, we do not have control over normal operating procedures, expenditures or future development of our properties.  The failure of an operator of our wells to adequately perform operations or an operator’s breach of the applicable agreements could reduce our production and revenues.  The success and timing of our drilling and development activities on properties operated by others therefore depends upon a number of factors outside of our control, including the operator’s decisions with respect to the timing and amount of capital expenditures, the period of time over which the operator seeks to generate a return on capital expenditures, inclusion of other participants in drilling wells,prices and the usecontinuing evaluation of technology, as well as the operator’s expertisedevelopment plans, production data, economics, possible asset sales and financial resources and the operator’s relative interest in the field.  Operators may also opt to decrease operational activities following a significant decline in, or a sustained period of low, oil or natural gas prices.  Because we do not have a majority interest in most wells we do not operate, we may not be in a position to remove the operator in the event of poor performance.  Accordingly, while we use reasonable efforts to cause the operator to act in a prudent manner, we are limited in our ability to do so.

We have been an early entrant into new or emerging plays.  As a result, our drilling results in these areas are uncertain, the value of our undeveloped acreage may decline and we may incur impairment charges if drilling results are unsuccessful.

Our drilling results in undeveloped acreage in new or emerging plays are more uncertain than drilling results in areas that are developed and producing.  Since new or emerging plays have limited or no production history, we are unable to use past drilling results in those areas to help predict our future drilling results.  Therefore, our cost of drilling, completing and operating wells in these areas may be higher than initially expected, and the value of our undeveloped acreage will decline if drilling results are unsuccessful.  Furthermore, if drilling results are unsuccessful,other factors) we may be required to write down the carrying value of our undeveloped acreage in new or emerging plays.  For example, during 2018 we recorded an $8 million non-cash charge for the impairment of undeveloped oil and gas properties whereproperties.  For example, we have no current or future plansrecorded $4.1 billion in impairment charges during 2020 for the partial write-downs of our Williston Basin resource play.  A write-down constitutes a non-cash charge to drill.earnings.  We may also incur suchadditional impairment charges in the future, which could have a material adverse effect on our business, financial condition or results of operations in the period taken.  Additionally, our rightsrecognized.

Risks Related to develop a portion of our undeveloped acreage may expire if not successfully developed or renewed.  Refer to “Acreage” in Item 2 of this Annual Report on Form 10-K for more information relating to the expiration of our rights to develop undeveloped acreage.Governmental Regulations, Investor Sentiment, Corporate Governance and Legal Proceedings

We are subject to complex laws that can affect the cost, manner or feasibility of doing business and under which we may be subject to substantial liability.  The regulatory environment in which we operate changes frequently and may do so in ways that are detrimental to our business.

Exploration, development,Development, production and sale of oil and natural gas are subject to extensive federal, state, local and international regulation.  We may be required to make large expenditures to comply with governmental regulations.  Matters subject to regulation include, but are not limited to:

discharge permits for drilling operations;
drilling bonds;bonds and permits;
reports concerning operations;

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hydraulic fracturing;
well spacing;spacing and setbacks;
unitization and pooling of properties;
environmental protection;
worker health and safety; and
taxation.

A summary of the most significant laws and regulations to which we are currently subject is set forth in “Business—Government Regulation.”  Under these laws and regulations, we could be liable for personal injuries, property damage and other damages.  Failure to comply with these laws also may result in the suspension or termination of our operations and subject us to administrative, civil and criminal penalties and litigation.  Moreover, these laws could change in ways that could substantially increase our costs.  Any such liabilities, penalties, suspensions, terminations or regulatory changes could materially and adversely affect our business, financial condition, results of operations or cash flows.  Strict liability or joint and several liability may be imposed under certain laws, which could cause us to become liable for the conduct of others or for consequences of our own actions.  For instance, an accidental release from one of our wells could subject us to substantial liabilities arising from environmental cleanup and restoration costs, claims made by neighboring landowners and other third parties for personal injury and property damage and fines or penalties for related violations of environmental laws or regulations.  

Our operationsIn addition, strict liability or joint and several liability may incur substantial costs and liabilitiesbe imposed under certain laws, which could cause us to comply with environmental laws and regulations.

Our oil and gas operations are subject to stringent federal, state and local laws and regulations relating to the release or discharge of materials into the environment or otherwise relating to environmental protection.  These laws and regulations may require the acquisition of a permit before drilling commences; restrict the types, quantities and concentration of materials that can be released into the environment; limit or prohibit drilling activities on certain lands; and impose substantial liabilities for unauthorized discharges.  Failure to comply with these laws and regulations may result in the assessment of administrative, civil and criminal penalties, incurrence of investigatory or remedial obligations, the imposition of injunctive relief, or certain leases could be cancelled in the event that an agency refuses to issue or delays the issuance of a required permit.  Under these environmental laws and regulations, we could be held strictlybecome liable for the removalconduct of others or remediationfor consequences of previous contamination regardless of whether weactions that were responsible for the release or if our operations were standard in the industry at the time they were performed.legal when taken.  Private parties, including the surface owners of properties upon which we drill, may also have the right to pursue legal actions to enforce compliance as well as to seek damages for non-compliance with environmental laws.  We may not be able to recover some or any of these costs from insurance.  Moreover, federal law and some state laws allow the government to place a lien on real property for costs incurred by the government to address contamination on the property.

Changes in environmental laws and regulations occur frequently and may have a materially adverse impact on our business.  Compliance with any enacted rules could result in significant costs, including increased capital expenditures and operating costs, which may adversely impact our business.  Federal and state regulatory agencies can impose administrative, civil and criminal penalties for non-compliance of environmental laws and regulations.

For example, in 2012, the EPA published final rules under the Federal Clean Air Act (the “CAA”) that subject oil and natural gas production, processing, transmission and storage operations to regulation under the New Source Performance Standards and National Emission Standards for Hazardous Air Pollutants.  With regard to production activities, these rules require, among other things, the reduction of volatile organic compound emissions from certain fractured and refractured gas wells for which well completion operations are conducted and, in particular, requiring some of these wells to use reduced emission completions, also known as “green completions”, after January 1, 2015.  These regulations also establish specific new requirements regarding emissions from production-related wet seal and reciprocating compressors, pneumatic controllers and storage vessels.

The requirements were further expanded again in 2016 when the implementation of Subpart OOOOa applied limits on methane emissions to oil and gas facilities and required operators to address leaks, also known as “fugitive emissions.”

However, in September 2019, the EPA proposed two alternative amendments to the Subpart OOOOa Rule.  Both amendments remove all methane-specific requirements from production and processing segments.  The first amendment would also remove transportation and storage facilities from the definition of covered facilities.  The comment period for proposed rule closed on November 25, 2019.  The net effect of any of these amendments, if finalized, would significantly reduce compliance obligations and associated costs.

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The enactment of Senate Bill 19-181 “Protect Public Welfare Oil And Gas Operations” increased the regulatory authority of local governments in Colorado over the surface impacts of oilThese laws and gas development, which could have a material adverse effect onregulations can also increase our costs and limit our business financial condition, resultsactivities.  For example,  these laws and regulations may require the acquisition of operationsa permit before drilling commences; restrict the types, quantities and concentration of materials that can be released into the environment; and limit or cash flows.prohibit drilling or well completion activities on certain lands.  We incur significant costs in our efforts to comply with applicable laws and regulations.

In Colorado, on April 16, 2019, Governor Polis signed into lawThe regulatory environment in which we operate changes frequently, often through the final versionimposition of Senate Bill 19-181 (“SB 181”), known as the “Protect Public Welfare Oil and Gas Operations” legislation.  SB 181 amends the Oil and Gas Conservation Actnew or more stringent environmental and other statutes to change the manner inrequirements, some of which oil and gas development is regulated in Colorado and provide the opportunity for greater control to local governments.  The amendments include changes to expand the authority of local governments relating to oil and gas development, as well as rulemaking requirements involving the Colorado Oil and Gas Conservation Commission (“COGCC”) and the Air Quality Control Commission (“AQCC”) that could include more stringent air emission limits for pollutants such as methane and volatile organic carbons and more rigorous permitting requirements.  In December 2019, Colorado’s AQCC adopted new rules targeting air emissions from upstream oil and gas operations, and depending on the results of other ongoing and upcoming rulemakings and actions by COGCC, the Colorado Department of Public Health and Environment and local jurisdictions, SB 181 could result in greater restrictions with respect to oil and gas development in Colorado, which could have a material adverse effect on our business, financial condition, results of operations or cash flows.  Efforts similar to SB 181 are likely to continue in the future, which, if successful, could result in dramatically reducing the area available for future oil and gas development or outright banning oil and gas development in certain jurisdictions.may apply retroactively. We cannot predict the nature, timing, cost or outcomeeffect of future ballot initiatives, legislative actions or other similar efforts, or the effects of implementation of these efforts by local governments. If we are required to cease operating in any of the areas in which we now operate as the result of bans or moratoria on drilling or related oilfield services activities, it couldsuch additional requirements, but they may have a material effectvariety of adverse effects on us.  Refer to “Business—Government Regulation” in Item 1 of this Annual Report on Form 10-K for a discussion of some potential regulatory changes that could affect our business, financial condition, and results of operations.business.

Issues surrounding climate change and greenhouse gas emissions could result in increased operating costs and reduced demand for oil and gas that we produce.

In December 2009,Continuing and increasing political, social and scientific attention to the EPA published its findings thatissue of climate change has resulted in legislative, regulatory and other initiatives, including international agreements, to reduce greenhouse gas (“GHG”) emissions such as carbon dioxide and methane.  Policy makers and regulators at the federal and state levels have already imposed, or stated intentions to impose, laws and regulations designed to quantify and limit the emissions of carbon dioxide, methaneGHG.  Refer to “Business—Government Regulation—Global Warming and other greenhouse gases (“GHG”) present an endangermentClimate Change” in Item 1 of this Annual Report on Form 10-K for a discussion of certain existing and proposed laws and regulations intended to public healthaddress climate change issues.  Existing and the environment becausefuture laws and regulations relating to climate change and GHG emissions of such gases are, according to the EPA, contributing to the warming of the earth’s atmosphere and other climate changes.  Based on these findings, the EPA has adopted and implemented regulations that restrict emissions of GHG under existing provisions of the CAA.

At present, the EPA may establish GHG permitting requirementscould increase our costs, reduce demand for stationary sources already subject to the Prevention of Significant Deterioration (“PSD”)  and Title V requirements of the CAA.  Certain of our equipment and installations may currently be subject to PSD and Title V requirements and hence, under the Supreme Court’s ruling, may also be subject to the installation of controls to capture GHGs.  For any equipment or installation so subject, we may have to incur increased compliance costs to capture related GHG emissions.

In October 2016, the EPA proposed revisions to the rule applicable to GHGs for PSD and Title V permitting requirements.  The public comment period for the rulemaking concluded on December 16, 2016.  However, although the rulemaking remains on the EPA’s long-term regulatory agenda, no final rule has been published.

In August 2015, the EPA issued a rule to reduce carbon emissions from electric generating units.  The rule, commonly called the “Clean Power Plan”, requires statesproducts, limit our growth opportunities, impair our ability to develop plans to reduce carbon emissions from fossil fuel-fired generating units commencing in 2022, with the reductions to be fully phased in by 2030.  However, in February 2016, the U.S. Supreme Court stayed the implementation of the Clean Power Plan while it was being challenged in court.  On October 16, 2017, the EPA published a proposed rule that would repeal the Clean Power Planour reserves and have other adverse effects on August 18, 2018, the EPA proposed the Affordable Clean Energy (“ACE”) rule as a replacement to the Clean Power Plan.  The EPA issued the final ACE rule in June 2019.  As expected, over 20 states and public health and environmental organizations have already challenged the rule.  The EPA has sought expedited review in the hopes that the cases will be resolved by the summer of 2020.

In addition, both houses of Congress have actively considered legislation to reduce emissions of GHG, and many states have already taken legal measures to reduce emissions of GHG, primarily through the development of GHG inventories, GHG permitting and/or regional GHG “cap and trade” programs.  Most of these “cap and trade” programs work by requiring either major sources of emissions or major producers of fuels to acquire and surrender emission allowances, with the number of allowances available for purchase reduced each year until the overall GHG emission reduction goal is achieved.  our business.

Also, in recent years, lawsuits have been brought against other energy companies for matters relating to climate change.  Multiple states and localities have also initiated investigations in climate-change related matters.  While the current suits focus on a variety of issues, at

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their core they seek compensation for the effects of climate change from companies with ties to GHG emissions.  It is currently unknown what the outcome of these types of actions may be, but the costs of defending against such actions may rise.  Finally,

In addition, many scientists have concluded that increasing concentrations of GHG in the atmosphere may produce climate changes that have significant physical effects, such as increased frequency and severity of storms, droughts, floods and other climatic events.  If any such effects were to occur, they could have ana material adverse effect on our assetsbusiness, financial condition, results of operations and cash flows, and could also limit the type, timing and location of our operations.

Finally, increased demand for low-carbon or renewable energy sources from consumers could reduce the demand for, and the price of, the products we produce.  Technological changes, such as developments in renewable energy and low-carbon transportation, could also adversely affect demand for our products.

Negative public perception regarding us and/or our industry could have ana material adverse effect on our operations.business, financial condition, results of operations and cash flows.

Negative public perception regarding us and/or our industry resulting from, among other things, concerns raised by advocacy groups about hydraulic fracturing, waste disposal, oil spills, natural gas flaring, seismic activity, climate change, explosions of natural gas transmission lines and the development and operation of pipelines and other midstream facilities may lead to increased regulatory scrutiny, which may, in turn, lead to new state and federal safety and environmental laws, regulations, guidelines and enforcement interpretations.  Additionally, environmental groups, landowners, local groups and other advocates may oppose our operations through organized protests, attempts to block or sabotage our operations or those of our midstream transportation providers, intervene in regulatory or administrative proceedings involving our assets or those of our midstream transportation providers, or file lawsuits or other actions designed to prevent, disrupt or delay the development or operation of our assets and business or those of our midstream transportation providers.  These actions may cause operational delays or restrictions, increased operating costs, additional regulatory burdens and increased risk of litigation.  Moreover, governmental authorities exercise considerable discretion in the timing and scope of permit issuance and the public may engage in the permitting process, including through intervention in the courts.  Negative public perception could cause the permits we require to conduct our operations to be withheld, delayed or burdened by requirements that restrict our ability to profitably conduct our business.

Recently, activists concerned about the potential effects of climate change have directed their attention towards sources of funding for fossil-fuel energy companies, which has resulted in certain financial institutions, funds and other sources of capital restricting or eliminating their investment in energy-related activities.  Ultimately, this could make it more difficult to secure funding for exploration and production activities.

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A low ESG or sustainability score could result in the exclusion of our common shares from consideration by certain investment funds and a negative perception of us by certain investors.

Certain organizations that provide corporate governance and other corporate risk information to investors and shareholders have developed scores and ratings to evaluate companies and investment funds based upon environmental, social and governance (“ESG”) or sustainability metrics.  Currently, there are no universal standards for such scores or ratings, but the importance of sustainability evaluations is becoming more broadly accepted by investors and shareholders.  Many investment funds focus on positive ESG business practices and sustainability scores when making investments.  In addition, investors, particularly institutional investors, use these scores to benchmark companies against their peers and if a company is perceived as lagging, these investors may engage with companies to require improved ESG disclosure or performance.  Moreover, certain members of the broader investment community may consider a company’s sustainability score as a reputational or other factor in making an investment decision.  Consequently, a low sustainability score could result in exclusion of our common shares from consideration by certain investment funds, engagement by investors seeking to improve such scores and a negative perception of us by certain investors.

A negative shift in investor sentiment regarding the oil and gas industry could adversely affect our ability to raise debt and equity capital.

Certain segments of the investor community have developed negative sentiment towards investing in our industry.  Historic equity returns in the sector versus other industry sectors have led to lower oil and gas representation in certain key equity market indices.  In addition, some investors, including investment advisors and certain sovereign wealth funds, pension funds, university endowments and family foundations, have adopted policies to divest holdings in the oil and gas sector based on social and environmental considerations.  Certain other stakeholders have also pressured commercial and investment banks to stop financing oil and gas production and related infrastructure projects.

Such developments, including environmental activism and initiatives aimed at limiting climate change and reducing air pollution, could result in downward pressure on the stock prices of oil and gas companies, including ours. This may also potentially result in a reduction of available capital funding for potential acquisitions or development projects, impacting our future financial results.  

We may be negatively impacted by litigation and legal proceedings.proceedings, including ongoing claims in connection with the Chapter 11 Cases.

We are subject from time to time, and in the future may become subject, to litigation claims.  These claims and legal proceedings are typically claims that arise in the normal course of business and include, without limitation, claims relating to environmental, safety and health matters, commercial or contractual disputes with suppliers and customers, claims regarding ownership of mineral interests, including from royalty owners, claims regarding acquisitions and divestitures, regulatory matters and employment and labor matters.  We may also become subject to governmental or regulatory proceedings.  The outcome of such claims and legal proceedings cannot be predicted with certainty and some may be disposed ofresolved unfavorably to us.  AmongIn addition, the claims resolutions process in connection with our previous filing for and emergence from the voluntary cases under chapter 11 of the Bankruptcy Code (the “Chapter 11 Cases”) is ongoing and certain of these claims remain subject to the jurisdiction of the Bankruptcy Court.  To the extent that these legal proceedings result in claims being allowed against us, such general unsecured claims may be satisfied through the issuance of shares of our common stock or other pending litigationremedy or agreement under and pursuant to the Plan.  As discussed in more detail in the “Commitments and Contingencies” footnote in the notes to the consolidated financial statements in Item 8 of this Annual Report on Form 10-K under the heading “Chapter 11 Cases,” it is possible with respect to certain claims that we could be required or may have the Company is involvedoption to make cash payments to resolve claims instead of issuing shares of our common stock or establish reserves and accrue liabilities with litigationrespect to such claims at a future date.  Alternatively, the resolution of certain claims related to contract rejections or other general unsecured claims may result in the dilution of existing stockholders’ interest.  Refer to the Risk Factor entitled “The exercise of all or any number of outstanding Warrants, the issuance of stock-based awards or the issuance of our common stock to settle the claims of general unsecured claimants may dilute your holding of shares of our common stock” for a payment arrangement with a third party which currently claims damages up to $41 million, as well as court costs and interest.discussion of the risks involved in the resolution of certain bankruptcy claims.  We also may not have insurance that covers such claims and legal proceedings.  Successful claims or litigation against us for significant amounts could have a material adverse effect on our reputation, business, financial condition, results of operations and cash flows.  Further, even if we are successful in resolving a claim or legal proceeding, suchthe process couldwill require the attention of members of our senior management, reducing the time they have available to devote to managing our business, and may require us to incur substantial legal expenses.

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Risks Related to Our Emergence from Chapter 11 Bankruptcy

We previously emerged from bankruptcy, which may adversely affect our business and relationships.

It is possible that our having filed for bankruptcy and our previous emergence from the Chapter 11 Cases may adversely affect our business and relationships with customers, vendors, contractors, employees or suppliers.  For example:

key suppliers, vendors or other contractual counterparties may require additional financial assurances or enhanced performance from us or demand increased fees for their goods or services;
our ability to renew existing contracts and compete for new business may be adversely affected;
our ability to attract, motivate and/or retain key employees and executives may be adversely affected;
landowners may not be willing to lease acreage to us; and
competitors may take business away from us and our ability to attract and retain customers may be negatively impacted.

The occurrence of one or more of these events could have a material and adverse effect on our operations, financial condition and reputation.  We cannot assure you that having been subject to bankruptcy protection will not adversely affect our operations in the future.

Our actual and future financial results after emergence from bankruptcy may not be comparable to our historical financial information as a result of the implementation of our chapter 11 plan of reorganization (the “Plan”) and the transactions contemplated thereby.

Our capital structure was significantly impacted by the Plan.  Under fresh start accounting rules that applied to us upon our emergence from the Chapter 11 Cases on September 1, 2020 (the “Emergence Date”), assets and liabilities were adjusted to fair values.  Accordingly, because fresh start accounting rules applied, our current and future financial condition and results of operations following the Emergence Date from the Chapter 11 Cases will not be comparable to the financial condition and results of operations reflected in our historical financial statements prior to the Emergence Date.

The exercise of all or any number of outstanding Warrants, the issuance of stock-based awards or the issuance of our common stock to settle the claims of general unsecured claimants may dilute your holding of shares of our common stock.

As of the date of filing this report, we have outstanding Warrants (as defined in the “Shareholders’ Equity” footnote in the notes to the consolidated financial statements in Item 8 of this Annual Report on Form 10-K under the heading “Warrants”) to purchase approximately 7.3 million shares of our common stock at exercise prices of either $73.44 or $83.45 per share.  In the event that a holder of Warrants elects to exercise their option to acquire shares of common stock, we shall issue a net number of exercised shares of common stock.  In addition, as of December 31, 2021, approximately 2.1 million shares of our common stock remained available for grant under the Whiting Petroleum Corporation 2020 Equity Incentive Plan.  We also reserved approximately 3.0 million shares of our common stock for potential future distribution to certain general unsecured claimants for claims pending resolution in the Bankruptcy Court.  In February 2021, we issued 948,897 shares out of this reserve to a general unsecured claimant in full settlement of such claimant’s claims pending before the Bankruptcy Court and for rejection damages relating to an executory contract.  Refer to the “Shareholders’ Equity” footnote in the notes to the consolidated financial statements for more information.  The exercise of the Warrants, the issuance or exercise of equity awards that we may grant in the future, the issuance of our common stock to general unsecured claimants or the sale of shares of our common stock issued for other reasons would dilute the interests of existing shareholders and could have a material adverse effect on the market for our common stock, including the price that an investor could obtain for their shares.

Item 1B.      Unresolved Staff Comments

None.

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The loss of senior management or technical personnel could adversely affect us.

To a large extent, we depend on the services of our senior management and technical personnel.  The loss of the services of our senior management or technical personnel, including Bradley J. Holly, Chairman, President and Chief Executive Officer; Bruce DeBoer, Chief Administrative Officer, General Counsel and Corporate Secretary; Charles J. Rimer, Chief Operating Officer; Correne S. Loeffler, Chief Financial Officer; and Timothy M. Sulser, Chief Corporate Development and Strategy Officer, could have a material adverse effect on our business, financial condition, results of operations or cash flows.  We do not maintain, nor do we plan to obtain, any insurance against the loss of any of these individuals.

We expect to consider from time to time further strategic opportunities that may involve acquisitions, dispositions, investments in joint ventures, partnerships, and other strategic alternatives that may enhance shareholder value, any of which may result in the use of a significant amount of our management resources or significant costs, and we may not be able to fully realize the potential benefit of such transactions.

We expect to continue to consider acquisitions, dispositions, investments in joint ventures, partnerships, and other strategic alternatives with the objective of maximizing shareholder value.  The Board and our management may from time to time be engaged in evaluating potential transactions and other strategic alternatives.  In addition, from time to time, we may engage financial advisors, enter into non-disclosure agreements, conduct discussions, and undertake other actions that may result in one or more transactions.  Although there would be uncertainty that any of these activities or discussions would result in definitive agreements or the completion of any transaction, we may devote a significant amount of our management resources to analyzing and pursuing such a transaction, which could negatively impact our operations, and may impair our ability to retain and motivate key personnel.  In addition, we may incur significant costs in connection with seeking such transactions or other strategic alternatives regardless of whether the transaction is completed.  In the event that we consummate an acquisition, disposition, partnership or other or strategic alternative in the future, we cannot be certain that we would fully realize the potential benefit of such a transaction and cannot predict the impact that such strategic transaction might have on our operations or stock price.  Any potential transaction would be dependent upon a number of factors that may be beyond our control, including, among other factors, market conditions, industry trends, regulatory limitations and the interest of third parties in us and our assets.  There can be no assurance that the exploration of strategic alternatives will result in any specific action or transaction.  Further, any such strategic alternative may not ultimately lead to increased shareholder value.  We do not undertake to provide updates or make further comments regarding the evaluation of strategic alternatives, unless otherwise required by law.

Substantial acquisitions or other transactions could require significant external capital and could change our risk and property profile.

In order to finance acquisitions of additional producing or undeveloped properties, we may need to alter or increase our capitalization substantially through the issuance of debt or equity securities, the sale of production payments or other means.  These changes in capitalization may significantly affect our risk profile.  Additionally, significant acquisitions or other transactions can change the character of our operations and business.  The character of the new properties may be substantially different in operating or geological characteristics or geographic location than our existing properties.  Furthermore, we may not be able to obtain external funding for additional future acquisitions or other transactions on economically acceptable terms or at all.

Competition in the oil and gas industry and from alternative energy sources is intense, which may adversely affect our ability to compete.

We operate in a highly competitive environment for acquiring properties, obtaining investment capital, securing oilfield goods and services, marketing oil and natural gas products and attracting and retaining qualified personnel.  Many of our competitors possess and employ financial, technical and personnel resources substantially greater than ours, which can be particularly important in the areas in which we operate.  Those companies may be able to pay more for productive oil and gas properties and exploratory prospects and to evaluate, bid for and purchase a greater number of properties and prospects than our resources allow.  Our ability to acquire additional prospects and to find and develop reserves in the future will depend on our ability to evaluate and select suitable properties and to consummate transactions in a highly competitive environment.  We may not be able to compete successfully in the future in acquiring prospective reserves, developing reserves, marketing hydrocarbons, attracting and retaining quality personnel and raising additional capital.

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We also face indirect competition from alternative energy sources, including wind, solar, nuclear and electric power.  The proliferation of alternative energy sources and businesses that provide such alternative energy sources may decrease the demand for oil and natural gas products.  Decreased demand for our products could adversely affect our business, financial condition, results of operations or cash flows.

In connection with the passage of the Dodd-Frank Wall Street Reform and Consumer Protection Act, new regulations in this area may result in increased costs and cash collateral requirements for the types of oil and gas derivative instruments we use to manage our risks related to oil and gas commodity price volatility.

On July 21, 2010, the Dodd-Frank Wall Street Reform and Consumer Protection Act was enacted into law.  This financial reform legislation includes provisions that require over-the-counter derivative transactions to be executed through an exchange or centrally cleared.  In addition, the legislation provides an exemption from mandatory clearing requirements based on regulations to be developed by the Commodity Futures Trading Commission (the “CFTC”) and the SEC for transactions by non-financial institutions, such as us, to hedge or mitigate commercial risk.  At the same time, the legislation includes provisions under which the CFTC may impose collateral requirements for transactions, including those that are used to hedge commercial risk.  However, during drafting of the legislation, members of Congress adopted report language and issued a public letter stating that it was not their intention to impose margin and collateral requirements on counterparties that utilize transactions to hedge commercial risk.  Final rules on major provisions in the legislation, like new margin requirements, may be established through rulemakings.  Although we cannot predict the ultimate outcome of these rulemakings, new regulations in this area may result in increased costs and cash collateral requirements for the types of oil and gas derivative instruments we use to hedge and to otherwise manage our financial risks related to volatility in oil and gas commodity prices.

We depend on computer and telecommunications systems, and failures in our systems or cybersecurity attacks could have an adverse effect on our business, financial condition, results of operations or cash flows.

Our business has become increasingly dependent upon digital technologies to conduct day-to-day operations, including information systems, infrastructure and cloud applications.  We have entered into agreements with third parties for hardware, software, telecommunications and other information technology services in connection with our business.  In addition, we have developed proprietary software systems, management techniques and other information technologies incorporating software licensed from third parties.  We rely on such systems to process, transmit and store electronic information, including financial records and personally identifiable information such as contractor, investor and payroll data, and to manage or support a variety of business processes, including our supply chain, pipeline operations, gathering and processing operations, financial transactions, banking and numerous other processes and transactions.  

As dependence on digital technologies has increased, cyber incidents, including deliberate attacks or unintentional events, also have increased in frequency.  A cyber-attack could include unauthorized access to digital systems for purposes of misappropriating assets or sensitive information, corrupting data, or causing operational disruption, or result in denial-of-service on websites.  It is possible that we could incur interruptions from cybersecurity attacks, computer viruses or malware, or that third party service providers could cause a breach of our data.  We believe that we have positive relations with our related vendors and maintain adequate anti-virus and malware software and controls over personally identifiable information and contractor data; however, any interruptions to our arrangements with third parties for our computing and communications infrastructure or any other interruptions to, or breaches of, our information systems could lead to data corruption, communication interruption, loss of sensitive or confidential information or otherwise significantly disrupt our business operations.  

Strategic targets, such as energy-related assets and transportation assets, may be at greater risk of future cyber-attacks than other targets.  The various procedures, facilities, infrastructure and controls we utilize to monitor these threats and mitigate our exposure to such threats are costly and labor intensive.  Moreover, there can be no assurance that such measures will be sufficient to prevent security breaches from occurring.  We do not expect to obtain or maintain specialized insurance for possible liability or loss resulting from a cyber-attack on our assets that may shut down all or part of our business.  However, as cyber threats continue to evolve, we may be required to expend significant additional resources to continue to modify or enhance our protective measures or to investigate and remediate any information security vulnerabilities.  State and federal cybersecurity legislation could also impose new requirements, which could increase our cost of doing business.  

To our knowledge we have not experienced any material losses relating to cyber-attacks; however, there can be no assurance that we will not suffer material losses in the future either as a result of an interruption to or a breach of our systems or those of our third party

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vendors and service providers.  A cyber incident involving our information systems and related infrastructure, or that of third parties, could disrupt our business plans and negatively impact our operations in the following ways, among others, any of which could have an adverse effect on our reputation, business, financial condition, results of operations or cash flows:

unauthorized disclosure of sensitive or personally identifiable information, including by cyber-attacks or other security breaches, could cause loss of data, give rise to remediation or other expenses, expose us to liability under federal and state laws, reduce our customers’ willingness to do business with us, disrupt the services we provide to customers and subject us to litigation and investigations;
a cyber-attack on a third party could result in supply chain disruptions which could delay or halt development of additional infrastructure, effectively delaying the start of cash flow from the project;
a cyber-attack on downstream or midstream pipelines could prevent us from delivering product, resulting in a loss of revenues;
a cyber-attack on a communications network or power grid could cause operational disruption resulting in a loss of revenues;
a deliberate corruption of our financial or operational data could result in events of non-compliance which could lead to regulatory fines or penalties; and
business interruptions could result in expensive remediation efforts, distraction of management, damage to our reputation, or a negative impact on the price of our common shares.

Item 1B.      Unresolved Staff Comments

None.

Item 2.       Properties

Summary of Oil and Gas Properties and Projects

Northern Rocky MountainsNorth Dakota and Montana

Our Northern Rocky MountainsNorth Dakota and Montana operations primarily include our properties in the Williston Basin of North Dakota and Montana targeting the Bakken and Three Forks formations and encompassing approximately 756,800731,100 gross (476,300(479,700 net) developed and undeveloped acres as of December 31, 2019.2021.  Our estimated proved reserves in the Northern Rocky MountainsNorth Dakota and Montana as of December 31, 20192021 were 453.5320.3 MMBOE (54%(57% oil), which represented 93%98% of our total estimated proved reserves and contributed 112.091.6 MBOE/d of average daily production in the fourth quarter of 2019.2021.

We have focused our capital programs on drilling and workover opportunities that we believe provide the greatest well-level returns in order to maintain consistent production levels and generate free cash flow, while selectively pursuing acquisitions that complement our existing core properties.  During 2021, we focused on high-return projects in our asset portfolio that generated significant cash flow from operations.  As of December 31, 2021, we had two active drilling rigs and one completion crew working in the Williston Basin and we plan to maintain this level of activity in the area for the majority of 2022.

Across our acreage in the Williston Basin, we have implemented customized, right-sized completion designs which utilize the optimum volume of proppant, diversion, fluids and frac stagesspecifically tailored to unique reservoir conditions to increase well performance while reducing cost.  We plan to continue to use right-sizedthis data-driven approach to completion designs on wells we drill and complete in 2020, while also utilizing state-of-the-art drilling rigs, high-torque mud motors and evolving 3-D bit cutter technology2022.  Additionally, we plan to reducecontinue our focus on reducing time-on-location and total well cost. Our engineerscost while maximizing our lateral footage through drilling best practices including utilizing top tier drilling rigs, advanced downhole motor and drill bit technology and our custom drilling fluid system.

Additionally, we have worked with service providersdeveloped an internal workflow to optimize fluid systemscapture the complexities of infill drilling and bit designsthe correlated impacts of legacy well production on new well performance.  As a result of the analysis and modeling of more than 45 operated infill wells over the past five years, we can now more accurately predict future well performance based on offset well production data and reservoir properties.  This allows us to increase drill ratemake the best value-based decisions regarding the development of our Sanish field.

Colorado

As discussed in “Acquisitions and hole cleaning resultingDivestitures” in higher capital efficiencyItem 1 of this Annual Report on Form 10-K, on September 23, 2021 we completed the divestiture of all of our interests in the drilling program.producing assets and undeveloped acreage, including the associated midstream assets, of our Redtail field located in the Denver-Julesburg Basin of Weld County, Colorado for aggregate sales proceeds of $171 million (before closing adjustments).

Other Non-Core Properties

Whiting USA Trust II.  On December 31, 2021, the net profits interest (“NPI”) conveyed to Whiting USA Trust II (“Trust II”) on March 28, 2012 terminated.  Upon termination, the NPI in the underlying properties, which received 90% of the net cash proceeds from the sale of oil and natural gas production from the underlying properties prior to its termination, reverted to Whiting.  As of December 31, 2019, we had four rigs active2021, the NPI included interests in 1,305 gross (364.4 net) producing wells.  The incremental production from the Williston Basin.

Central Rocky Mountains

Our Central Rocky Mountains operations includeunderlying properties at our Redtail field in the Denver-Julesburg Basin (“DJ Basin”) in Weld County, Colorado targeting the Niobrara and Codell/Fort Hays formations and encompassingthat reverted to Whiting upon termination was approximately 96,400 gross (84,600 net) developed and undeveloped acres as of December 31, 2019.  Our estimated proved reserves in the Central Rocky Mountains as of December 31, 2019 were 23.1 MMBOE (61% oil), which represented 5% of our total estimated proved reserves and contributed 10.42.0 MBOE/d of average dailybased on production induring the fourth quarter of 2019.2021.  The incremental LOE expense that reverted to Whiting upon termination was approximately $2 million.  The asset retirement obligations for these properties were not conveyed to Trust II and have therefore been included in our consolidated financial statements for all periods presented.  Additionally, the reserves disclosed in this Annual Report on Form 10-K contemplate the reversion of the NPI on December 31, 2021.

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We have established production in the Niobrara “A”, “B” and “C” zones and the Codell/Fort Hays formations.  We completed 22 drilled uncompleted wells (“DUCs”) in our Redtail field during the first half of 2018, and no additional wells were drilled or completed in 2019.  During 2019 we worked on maintaining base production in this area with improved artificial lift techniques and reductions in lease operating expenses.

Our Redtail gas plant processes the associated gas produced from our wells in this area, and has a current inlet capacity of 50 MMcf/d.  As of December 31, 2019, the plant was processing 22 MMcf/d.

Other

Our other operations primarily relate to non-core assets in Colorado, Mississippi, North Dakota, Texas and Wyoming.  As of December 31, 2019, these properties contributed 8.8 MMBOE (83% oil) of proved reserves to our portfolio of operations, which represented 2% of our total estimated proved reserves and contributed 0.6 MBOE/d of average daily production in the fourth quarter of 2019.

Reserves

As of December 31, 20192021 and 2018,2020, all of our oil and gas reserves were attributable to properties within the United States.  A summary of our proved oil and gas reserves as of December 31, 20192021 and 20182020 based on average fiscal-year prices (calculated as the unweighted arithmetic average of the first-day-of-the-month price for each month within the respective 12-month period ended December 31, 2019 and 2018, respectively)periods) is as follows:

Oil

NGLs

Natural Gas

Total

Oil

NGLs

Natural Gas

Total

    

(MBbl)

    

(MBbl)

    

(MMcf)

    

(MBOE)

    

(MBbl)

    

(MBbl)

    

(MMcf)

    

(MBOE)

2019

2021

Proved developed reserves

190,725

72,102

576,213

358,863

148,317

55,006

351,914

261,975

Proved undeveloped reserves

77,528

21,739

163,829

126,572

40,287

11,359

74,135

64,002

Total proved reserves

268,253

93,841

740,042

485,435

188,604

66,365

426,049

325,977

2018

2020

Proved developed reserves

194,869

82,725

529,154

365,786

128,227

37,961

251,316

208,074

Proved undeveloped reserves

92,095

28,559

201,930

154,309

35,042

8,406

52,301

52,165

Total proved reserves

286,964

111,284

731,084

520,095

163,269

46,367

303,617

260,239

Proved reserves.  Estimates of proved developed and undeveloped reserves are inherently imprecise and are continually subject to revision based on production history, results of additional exploration and development, price changes, engineering and reservoir analysis and other factors.

Total extensions and discoveries of 34.020.3 MMBOE in 20192021 were primarily attributable to successful drilling in the Williston Basin.  Both the newNew wells drilled in this area, as well as the PUDproved undeveloped (“PUD”) locations added as a result of offsetting drilling, increased our proved reserves.

Purchases of minerals in place totaled 15.9 MMBOE during 2021 and were primarily attributable to two acquisitions in the Williston Basin, as further described in “Acquisitions and Divestitures” within Item 1 of this Annual Report on Form 10-K.

Sales of minerals in place totaled 4.910.7 MMBOE during 20192021 and were primarily attributable to the disposition of certain non-operated propertiesall of our interests in North Dakotathe producing assets and undeveloped acreage of our Redtail field located in the Denver-Julesburg Basin of Weld County, Colorado, as further described in “Acquisitions and Divestitures” within Item 1 of this Annual Report on Form 10-K.

In 2019,2021, revisions to previous estimates decreasedincreased proved developed and undeveloped reserves by a net amount of 17.973.8 MMBOE.  Included in this changethese revisions were upward revisions of 48.0 MMBOE to proved undeveloped reserves primarily located in the Williston Basin in locations where we have significant development activity and past drilling success.  Offsetting these upward reserve revisions were: (i) 32.970.1 MMBOE of downwardupward adjustments caused by lowerresulting from higher crude oil, NGL and natural gas prices incorporated into our reserve estimates at December 31, 20192021 as compared to December 31, 2018,2020, (ii) 19.312.8 MMBOE of downwardupward adjustments primarily attributable to reservoir and engineering analysis and well performance across our NorthernNorth Dakota and Central RockiesMontana assets, and (iii) 13.70.8 MMBOE of proved undeveloped reserves no longer expectedupward adjustments attributable to be developed within five years from their initial recognition.narrower differentials and stronger NGL yields.  The above upward adjustments were partially offset by 9.9 MMBOE of downward adjustments due to increased operating expenses.  

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Proved undeveloped reserves.  Our PUD reserves decreased 18%increased 23% or 27.711.8 MMBOE on a net basis from December 31, 20182020 to December 31, 2019.2021.  The following table provides a reconciliation of our PUDsPUD reserves for the year ended December 31, 2019:2021:

Total

    

(MBOE)

PUD balance—December 31, 20182020

154,30952,165

Converted to proved developed through drilling

(42,801)(20,354)

Added from extensions and discoveries

19,43618,709

SoldPurchased

(2)4,405

Revisions

(4,370)9,077

PUD balance—December 31, 20192021

126,57264,002

During 2019, we incurred $475 million39

Material changes in capital expenditures, or $11.10 per BOE, to drill and bring on-line 42.8 MMBOE of PUD reserves.  In addition, we added 19.4proved undeveloped reserves for the year ended December 31, 2021 included the following:

Converted to proved developed through drilling. During 2021, we incurred $100 million in capital expenditures, or $4.94 per BOE, to drill and TIL 20.4 MMBOE of PUD reserves.  These expenditures primarily consisted of completion costs to TIL wells we drilled in 2019 and 2020.
Added from extensions and discoveries.  We added 18.7 MMBOE of PUDs from extensions and discoveries during the year primarily due to successful drilling in the Williston Basin.  
Purchased.  During 2021 we added total PUD volumes of 4.4 MMBOE primarily through two acquisitions in the Williston Basin, as further described in “Acquisitions and Divestitures” in Item 1 of this Annual Report on Form 10-K.
Revisions.  In 2021, revisions to previous estimates increased proved undeveloped reserves by a net amount of 9.1 MMBOE.  Included in these revisions were (i) 7.2 MMBOE of upward adjustments from higher crude oil, NGL and natural gas prices incorporated into our estimates at December 31, 2021 as compared to December 31, 2020 and (ii) 1.9 MMBOE of upward adjustments attributable to well performance across our assets in North Dakota and Montana.  

We have made an investment decision and adopted a development plan to drill all of our individual PUD locations within five years of the date such PUDs were added.  In that regard, underUnder our current 20202022 development plan, we expect to convert approximately 48.124.6 MMBOE (or 38%) of our PUDs to proved developed reserves during the year.

Preparation of reserves estimates.  We believe that we maintain adequate and effective internal controls over the reserve estimation process as well as the underlying data upon which reserve estimates are based.  The primary inputs to the reserve estimation process are comprised of technical information, financial data, ownership interests and production data.  All field and reservoir technical information, which is updated annually, is assessed for validity when the reservoir engineers hold technical meetings with geoscientists, operations and land personnel to discuss field performance and to validate future development plans.  Current revenue and expense information is obtained from our accounting records, which are subject to our internal controls over financial reporting.  Internal controls over financial reporting are assessed for effectiveness annually using the criteria set forth in Internal Control – Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission.  All current financial data such as commodity prices, lease operating expenses, transportation, gathering, compression and other expenses, production taxes, abandonment costs and field commodity price differentials are updated in the reserve database and then analyzed to ensure that they have been entered accurately and that all updates are complete.  Our current ownership in mineral interests and well production data are also subject to the aforementioned internal controls over financial reporting, and they are incorporated into the reserve database as well and verified to ensure their accuracy and completeness.  Once the reserve database has been entirely updated with current information, and all relevant technical support material has been assembled, our independent engineering firm Cawley, GillespieNetherland, Sewell & Associates, Inc. (“CG&A”NSAI”) meets with our technical personnel in our Denver office to review field performance and future development plans.  Following this review, the reserve database and supporting data is furnished to CG&ANSAI so that they can prepare their independent reserve estimates and final report.  Access to our reserve database is restricted to specific members of the reservoir engineering department.

CG&A isThe reserves estimates shown herein have been independently evaluated by NSAI, a worldwide leader of petroleum property analysis for industry and financial organizations and government agencies.  NSAI was founded in 1961 and performs consulting petroleum engineering services under Texas Registered Engineering Firm.  Our primary contact at CG&A isBoard of Professional Engineers Registration No. F-2699.  

Within NSAI, the technical persons primarily responsible for preparing the estimates set forth in the NSAI reserves report incorporated herein are Mr. W. Todd Brooker, President.Richard B. Talley, Jr. and Mr. Brooker isEdward C. Roy III.  Mr. Talley, a Licensed Professional Engineer in the State of Texas (No. 102425) and in the State of Louisiana (No. 36998), has been practicing as a petroleum engineering consultant at NSAI since 2004 and has over 5 years of prior industry experience.  He graduated from University of Oklahoma in 1998 with a Bachelor of Science degree in mechanical engineering and from Tulane University in 2001 with a Master of Business Administration degree.  Mr. Roy, a Licensed Professional Engineer.  ReferGeoscientist in the State of Texas, Geology (No. 2364), has been practicing as a petroleum geoscience consultant at NSAI since 2008 and has over 11 years of prior industry experience.  He graduated from Texas Christian University in 1992 with a Bachelor of Science degree in geology and from Texas A&M University in 1998 with a Master of Science degree in geology.  Both technical principals meet or exceed the education, training and experience requirements set forth in the Standards Pertaining to Exhibit 99.2the Estimating and Auditing of this Annual Report on Form 10-K forOil and Gas Reserves Information promulgated by the ReportSociety of Cawley, Gillespie & Associates, Inc.Petroleum Engineers; both are proficient in judiciously applying industry standard practices to engineering and further information regarding the professional qualificationsgeoscience evaluations as well as applying SEC and other industry reserves definitions and guidelines.  

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Trina Medina, our Director ofOur Reserves and Reservoir Engineering Manager is responsible for overseeing the preparation of the reserves estimates.  Sheestimates under the supervision of the Chief Operating Officer, Charles Rimer.  Our Reserves and Reservoir Engineering Manager has more than 2511 years of broad reservoir engineering experience in the oil and gas industry, focused across conventional unconventional and secondary recoveryunconventional evaluation and development projects, including corporate reserves estimations.  Ms. MedinaHe holds a Bachelor of Science degree in petroleum engineering from the Universidad Central de Venezuela, a MasterColorado School of Science degree in reservoir engineering from Texas A&M UniversityMines and a Master of Science degree in reservoir geoscience from the Institut Francais du Petrole.  Ms. Medina is a member of the Society of Petroleum Engineers and the Society of Petroleum Evaluation Engineers.

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Acreage

The following table summarizes gross and net developed and undeveloped acreage by core area at December 31, 2019.2021.  Net acreage represents our percentage ownership of gross acreage.  Acreage in which our interest is limited to royalty and overriding royalty interests has been excluded.

Developed Acreage

Undeveloped Acreage (1)

Total Acreage

Developed Acreage

Undeveloped Acreage (1)

Total Acreage

    

Gross

    

Net

    

Gross

    

Net

    

Gross

    

Net

    

Gross

    

Net

    

Gross

    

Net

    

Gross

    

Net

Northern Rocky Mountains

698,891

435,029

57,905

41,302

756,796

476,331

Central Rocky Mountains

39,716

36,264

56,646

48,343

96,362

84,607

North Dakota & Montana

710,466

464,129

20,601

15,538

731,067

479,667

Other (2)

85,570

52,351

56,817

24,420

142,387

76,771

88,433

53,988

25,151

6,247

113,584

60,235

824,177

523,644

171,368

114,065

995,545

637,709

798,899

518,117

45,752

21,785

844,651

539,902

(1)Out of a total of approximately 171,40045,800 gross (114,100(21,800 net) undeveloped acres as of December 31, 2019,2021, the portion of our net undeveloped acreage that is subject to expiration over the next three years, if not successfully developed or renewed, is approximately 18%58% in 2020, 13%2022, 6% in 20212023 and 15%5% in 2022.  2024.  We have not assigned any proved undeveloped reserves to locations scheduled to be drilled after lease expiration.
(2)Other includes Arkansas, Colorado, Louisiana, Michigan, Mississippi, New Mexico, Oklahoma, Texas, Utah and Wyoming.

Production History

The following table presents historical information about our produced oil and gas volumes:volumes.  On September 1, 2020 (the “Emergence Date”), we emerged from chapter 11 bankruptcy.  The application of fresh start accounting resulted in a new basis of accounting and our becoming a new entity for financial reporting purposes.  As a result, the consolidated financial statements after the Emergence Date are not comparable to the consolidated financial statements before that date and the historical financial statements on or before the Emergence Date are not a reliable indicator of our financial condition and results of operations for any period after our adoption of fresh start accounting.  Refer to the “Fresh Start Accounting” footnote in the consolidated financial statements in Item 8 of this Annual Report on Form 10-K for more information.  References to “Successor” refer to our financial position and results of operations after the Emergence Date.  References to “Predecessor” refer to our financial position and results of operations on or before the Emergence Date.  References to “2020 Successor Period” refer to the period from September 1, 2020 through December 31, 2020.  References to “2020 Predecessor Period” refer to the period January 1, 2020 through August 31, 2020.  Although GAAP requires that we report on our results for the 2020 Successor Period and the 2020 Predecessor Period separately, in certain circumstances management views our 2020 operating results by combining the results of the applicable Predecessor and Successor periods in order to provide the most meaningful comparisons to current and prior periods.

Year Ended December 31,

    

2019

    

2018

    

2017

Total company production

Oil (MMBbl)

29.8

31.5

29.3

NGL (MMBbl)

7.6

7.4

7.0

Natural gas (Bcf)

50.5

46.8

41.3

Total (MMBOE)

45.8

46.7

43.1

Daily average (MBOE/d)

125.5

128.0

118.1

Sanish field production (1)

Oil (MMBbl)

5.8

6.2

5.7

NGL (MMBbl)

1.1

1.2

1.1

Natural gas (Bcf)

7.6

7.2

7.1

Total (MMBOE)

8.2

8.6

8.0

Average sales prices (before the effects of hedging)

Oil (per Bbl)

$

50.06

$

58.70

$

44.30

NGLs (per Bbl)

$

6.76

$

20.78

$

16.00

Natural gas (per Mcf)

$

0.57

$

1.66

$

1.78

Average production costs (per BOE)

Lease operating expenses

$

7.17

$

6.68

$

6.47

Transportation, gathering, compression and other

$

0.93

$

1.03

$

2.10

41

Successor

 

 

Predecessor

Non-GAAP

Predecessor

    

Year Ended December 31, 2021

Four Months Ended December 31, 2020

  

   

Eight Months Ended August 31, 2020

    

Combined Year Ended December 31, 2020

    

Year Ended December 31, 2019

Total company production

Oil (MMBbl)

19.3

6.8

15.3

22.1

29.8

NGL (MMBbl)

7.2

2.1

4.5

6.6

7.6

Natural gas (Bcf)

42.0

14.3

29.7

44.0

50.5

Total (MMBOE)

33.5

11.4

24.7

36.1

45.8

Daily average (MBOE/d)

91.9

93.0

101.4

98.6

125.5

Sanish field production (1)

Oil (MMBbl)

5.8

1.9

4.2

6.1

5.8

NGL (MMBbl)

1.2

0.4

0.8

1.2

1.1

Natural gas (Bcf)

8.6

2.8

5.5

8.3

7.6

Total (MMBOE)

8.4

2.8

5.9

8.7

8.2

Average sales prices (before the effects of hedging)

Oil (per Bbl)

$

64.77

$

37.05

$

28.86

$

31.40

$

50.06

NGLs (per Bbl)

$

22.53

$

5.90

$

4.45

$

4.91

$

6.76

Natural gas (per Mcf)

$

2.34

$

0.48

$

(0.06)

$

0.11

$

0.57

Average production costs (per BOE)

Lease operating expenses

$

7.23

$

6.52

$

6.40

$

6.43

$

7.17

Transportation, gathering, compression and other

$

0.90

$

0.71

$

0.90

$

0.84

$

0.93

(1)The Sanish field was our only field that contained 15% or more of our total proved reserve volumes duringat the periodsend of the years presented.

Productive Wells

The following table summarizes gross and net productive oil and natural gas wells by core area at December 31, 2019.2021.  A net well represents our percentage ownership of a gross well.  Wells in which our interest is limited to royalty and overriding royalty interests are excluded.

39

Oil Wells

Natural Gas Wells

Total Wells(1)

Oil Wells

Natural Gas Wells

Total Wells

    

Gross

    

Net

    

Gross

    

Net

    

Gross

    

Net

    

Gross

    

Net

    

Gross

    

Net

    

Gross

    

Net

Northern Rocky Mountains

 

3,022

1,426

-

-

3,022

1,426

Central Rocky Mountains

 

392

312

-

-

392

312

Other (2)

 

1,541

396

66

37

1,607

433

North Dakota & Montana

 

3,394

1,527

-

-

3,394

1,527

Other (1)

 

1,256

350

70

40

1,326

390

Total

 

4,955

2,134

66

37

5,021

2,171

 

4,650

1,877

70

40

4,720

1,917

(1)20 wells have multiple completions, and these 20 wells contain a total of 41 completions.  One or more completions in the same bore hole are counted as one well.
(2)Other primarily includes non-core oil and gas properties located in Colorado, New Mexico, North Dakota, Texas and Wyoming.

Oil and Gas Drilling Activity

We are engaged in numerous drilling activities on properties presently owned, and we intend to drill or develop other properties acquired in the future.  The following table sets forth our oil and gas drilling activitywells completed for the last three years.  A dry well is an exploratory, development or extension well that proves to be incapable of producing either oil or gas in sufficient quantities to justify completion as an oil or gas well.  A productive well is an exploratory, development or extension well that is not a dry well.  The information below should not be considered indicative of future performance, nor should it be assumed that there is necessarily any correlation between the number of productive wells drilled and quantities of reserves found.

Gross Wells

Net Wells

    

Productive

    

Dry

    

Total

    

Productive

    

Dry

    

Total

2019

 

  

 

  

 

  

 

  

 

  

 

  

Development

 

208

2

210

93.9

0.1

94.0

Exploratory

 

-

-

-

-

-

-

Total

 

208

2

210

93.9

0.1

94.0

2018

 

  

 

  

 

  

 

  

 

  

 

  

Development

 

210

 

-

 

210

 

120.9

 

-

 

120.9

Exploratory

 

1

 

-

 

1

 

0.8

 

-

 

0.8

Total

 

211

 

-

 

211

 

121.7

 

-

 

121.7

2017

 

  

 

  

 

  

 

  

 

  

 

  

Development

 

238

 

-

 

238

 

164.1

 

-

 

164.1

Exploratory

 

-

 

-

 

-

 

-

 

-

 

-

Total

 

238

 

-

 

238

 

164.1

 

-

 

164.1

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Gross Wells

Net Wells

    

Productive

    

Dry

    

Total

    

Productive

    

Dry

    

Total

2021

 

  

 

  

 

  

 

  

 

  

 

  

Development

 

57

-

57

34.4

-

34.4

Exploratory

 

-

-

-

-

-

-

Total

 

57

-

57

34.4

-

34.4

2020

 

  

 

  

 

  

 

  

 

  

 

  

Development

 

54

 

-

 

54

 

30.4

 

-

 

30.4

Exploratory

 

-

 

-

 

-

 

-

 

-

 

-

Total

 

54

 

-

 

54

 

30.4

 

-

 

30.4

2019

 

  

 

  

 

  

 

  

 

  

 

  

Development

 

208

 

2

 

210

 

93.9

 

0.1

 

94.0

Exploratory

 

-

 

-

 

-

 

-

 

-

 

-

Total

 

208

 

2

 

210

 

93.9

 

0.1

 

94.0

As of December 31, 2019,2021, we had fourtwo operated drilling rigs active on our properties in our Northern Rocky Mountains area.properties.  As of December 31, 2019,2021, we had 12950 gross (57.1(22.4 net) operated and non-operated wells in the process of drilling, completing or waiting on completion.

Hydraulic Fracturing

Hydraulic fracturing is a common practice in the oil and gas industry that is used to stimulate production of hydrocarbons from tight oil and gas formations.  The process involves the injection of water, sand and chemicals under pressure into formations to fracture the surrounding rock and stimulate production.  This process has typically been regulated by state oil and gas commissions.  However, as described in more detail in “Business – Regulation – Environmental Regulations – Hydraulic Fracturing” in Item 1 of this Annual Report on Form 10-K, the EPA has initiatedcontinues to consider the regulation of hydraulic fracturing, other federal agencies are examining hydraulic fracturing, and federal legislation is pending with respect to hydraulic fracturing.  We have utilized hydraulic fracturing in the completion of our wells in our most active areas located in the states of North Dakota Montana and ColoradoMontana and we plan to continue to utilize this completion methodology.

Substantially all of our 126.664.0 MMBOE of proved undeveloped reserves are associated withexpected to be developed through the use of hydraulic fracture treatments.

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We are not aware of any environmental incidents, citations or suits that have occurred during the last three years related to hydraulic fracturing operations involving oil and gas properties that we operate or in which we own a non-operated interest.

In order to minimize any potential environmental impactimpacts from hydraulic fracture treatments, we have taken the following steps:

we follow fracturing and flowback procedures that comply with or exceed North Dakota Industrial Commission or other state requirements;
we train all company and contract personnel who are responsible for well preparation, fracture stimulation and flowback on our procedures;
we have implemented the incremental procedures of running a wellroutinely run casing caliper visually inspecting the surface joint oflogs and/or ultrasonic logs on intermediate casing, pressure test the casing, and if a lighter wall jointmatch maximum fracturing pressure limitations with the condition of casing or drilling wear is detected, reducing the minimum burst pressure accordingly;casing;
for wells that are within one mile of major bodies of water or locations that lead to bodies of water, we construct berming around the outside portion of all our well locationlocations which is in place prior to initiating fracturing operations;
we run tie-back fracturing strings in certain situations when extra precaution is warranted, such as where the anticipated maximum treating pressure for the well is greater than the pressure rating of the intermediateon wells that have casing wear or in areas located within one mile of major bodies of water;cement tops that necessitate additional protection to meet state requirements;
we conduct annual emergency incident response drills in our active areas; and
we are a member of the Sakakawea Area Spill Response LLC (“SASR”), which is comprised of 17 oil and gas related companies operating in the Missouri River and Lake Sakakawea regions of North Dakota.  Members agreedagree to share spill response resources and maintain SASR-owned water response equipment that can be accessed quickly in the early stages of a spill.spill; and

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we participate in a voluntary baseline groundwater sampling program that is executed prior to drilling each well, even when no regulatory requirement exists, to ensure our operations do not negatively impact local groundwater resources.  This program involves a thorough evaluation of potential groundwater sources within a half-mile radius, sampling prior to setting the well conductor and follow-up samples within one year of well completion.  

While we do not have insurance policies in effect that are intended to provide coverage for losses solely related to hydraulic fracturing operations, we do have general liability and excess liability insurance policies that we believe would cover third-party claims related to hydraulic fracturing operations and associated legal expenses in accordance with, and subject to, the terms of such policies.

Delivery Commitments

Our production sales agreements contain customary terms and conditions for the oil and natural gas industry, generally provide for sales based on prevailing market prices in the area, and generally have terms of one year or less.

AsWe have one physical delivery contract effective as of December 31, 2019, we have entered into three physical delivery contracts2021 which require us to deliver fixed volumes of crude oil.  One of these contracts is tied to crude oil production from the Williston Basin and requires delivery of 10 MBbl/dat our Sanish field in Mountrail County, North Dakota for a term of seven years.  The effective date of this contract is contingent upon the completion of certain related pipelines, which are currently expected to be brought online in 2021.ending May 31, 2024.  Under the terms of thisthe contract, ifwe are required to deliver 15,000 barrels of oil per day during the delivery term.  If we fail to deliver the committed volumes we will be required to pay a deficiency payment of $5.75 per undelivered Bbl, subject to upward adjustment, over the duration of the contract.  However, we believe that our production and reserves are sufficient to fulfill the delivery commitment in the Williston Basin, and we therefore expect to avoid any payments for deficiencies under this contract.

Our two remaining physical delivery contracts are effective as of December 31, 2019.  One of these contracts is tied to oil production at our Sanish field in Mountrail County, North Dakota and is effective for a term of seven years ending May 31, 2024.  The other contract

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is tied to oil production at our Redtail field in Weld County, Colorado and terminates in April 2020.  The following table summarizes our Sanish and Redtail delivery commitments as of December 31, 2019:

Sanish Contracted

Redtail Contracted

As a Percentage of

Crude Oil Volumes

Crude Oil Volumes

Total 2019

Period

    

(Bbl)

    

(Bbl)

    

Oil Production

Jan - Dec 2020

5,490,000

4,140,000

32%

Jan - Dec 2021

5,475,000

18%

Jan - Dec 2022

5,475,000

18%

Jan - Dec 2023

5,475,000

18%

Jan - Dec 2024

2,280,000

8%

Under the terms of the Sanish contract, if we fail to deliver the committed volumes we will be required to pay a deficiency payment ofapproximately $7.00 per undelivered Bbl, subject to upward adjustment, over the duration of the contract.  However, weWe believe that our production and reserves are sufficient to fulfill the delivery commitment at our Sanish field, and we therefore expect to avoid any payments for deficiencies under this contract.  However, a default on this contract could have a material impact on our business, financial condition, results of operations and cash flows.

We have another physical delivery contract effective as of December 31, 2021 which is tied to oil production in North Dakota and Montana for a term ending June 30, 2024.  Under the terms of the Redtail contract, ifwe are required to deliver 5,000 barrels of oil per day during the delivery term.  If we fail to deliver any of the committed volumes during the term of the contract, we arewill be in immediate default under the contract and will be required to pay a deficiency payment that currently totals $5.24 per undelivered Bbl overliquidated damages for the remaining term of the contract.  We believe that our production and reserves are sufficient to fulfill this delivery commitment, and we therefore expect to avoid any payments for deficiencies under this contract.  However, a default on this contract could have determined that it is not probable that futurea material impact on our business, financial condition, results of operations and cash flows.

The following table summarizes these commitments as of December 31, 2021:

Contracted

As a Percentage of

Crude Oil Volumes

Total 2021

Period

    

(Bbl)

    

Production

Jan - Dec 2022

7,300,000

22%

Jan - Dec 2023

7,300,000

22%

Jan - Jun 2024

3,190,000

11%

We previously committed to deliver oil production from our Redtail field will be sufficient to meet the minimum volume requirements specified in the relatedWeld County, Colorado under two physical delivery contract, and as a result, we expect to make deficiency payments for any shortfalls in delivering the minimum committed volumes.  We recognize any monthly deficiency payments in the period incontracts, one of which the underdelivery takes place and the related liability has been incurred. During 2019, 2018 and 2017, total deficiency payments under this contract, as well as a second Redtail contract that we terminatedexpired in February 2018 amountedand the other in April 2020.  We were unable to deliver the committed volumes under these contracts and thus incurred deficiency fees of $24 million and $64 million $39 millionduring the 2020 Predecessor Period and $66 million,the year ended December 31, 2019, respectively.

Item 3.       Legal Proceedings

We are subject to litigation claims and governmental and regulatory proceedings arisingThe information contained in the ordinary course of business.  While“Commitments and Contingencies” footnote under the outcome of these lawsuitsheadings “Chapter 11 Cases” and claims cannot be predicted with certainty, it is management’s opinion that the loss for any litigation matters and claims we are involved in that are reasonably possible to occur will not have a material adverse effect, individually or“Litigation” in the aggregate, on ournotes to the consolidated financial position, cash flows or resultsstatements in Item 8 of operations.

We are involved in litigation related to a payment arrangement with a third party which currently claims damages up to $41 million, as well as court costs and interest, thatthis Annual Report on Form 10-K is scheduled to go to trial in May 2020.  Certain amounts have been accrued in accrued liabilities and other in the consolidated balance sheet as of December 31, 2019 and general and administrative expenses in the consolidated statement of operations for the year ended December 31, 2019 based on the determination that it is probable that a loss has been incurred and can be reasonably estimated.incorporated herein by reference.

Item 4.       Mine Safety Disclosures

Not applicable.

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INFORMATION ABOUT OUR EXECUTIVE OFFICERS

The following table sets forth certain information, as of February 20, 2020,17, 2022, regarding the executive officers of Whiting Petroleum Corporation:

Name

Age

Position

Bradley J. HollyLynn A. Peterson

4968

Chairman, President and Chief Executive Officer

Bruce R. DeBoer

67

Chief Administrative Officer, General Counsel and Secretary

Correne S. Loeffler

43

Chief Financial Officer

Charles J. Rimer

6264

Executive Vice President, Operations and Chief Operating Officer

Timothy M. SulserJames P. Henderson

4356

Executive Vice President, Finance and Chief StrategyFinancial Officer

Sirikka R. Lohoefener

4143

Vice President, Accounting and Controller

M. Scott Regan

51

Vice President, Legal, General Counsel and Secretary

The following biographies describe the business experience of our executive officers:

Bradley J. HollyLynn A. Peterson joined us in November 2017 upon his appointment as director and electionSeptember 2020 as President and Chief Executive Officer.  Mr. Holly was appointed Chairman of the Board in May 2018.  Mr. HollyPeterson has 2541 years of experience in the oil and gas industry.  Prior to joining Whiting, Mr. Peterson was the Chairman of the Board, Chief Executive Officer and President of SRC Energy from 2015 until the closing of its merger with PDC Energy in January 2020.  From January 2020 until September 2020 he held various managementwas a private investor.  He was a co-founder of Kodiak Oil & Gas Corporation (“Kodiak”) and technical positions during his 20 yearsserved Kodiak as a director (2001-2014) and as its President and Chief Executive Officer (2002-2014) and Chairman of the Board (2011-2014) until its acquisition by Whiting in 2014.  He also previously served as a director at Anadarko Petroleum Corporation including Executive Vice President, U.S. Onshore Exploration and Production; Senior Vice President, U.S. Onshore Exploration and Production; Senior Vice President, Operations; Vice President, Operations for the Southern and Appalachia Region; among others.  He began his career in 1994 with Amoco Corporation.Whiting from December 2014 to June 2015.  Mr. HollyPeterson holds a Bachelor of Science degree in petroleum engineering from Texas Tech University, and he is a graduate of the Harvard Business School’s Advanced Management Program.

Bruce R. DeBoer joined us as Vice President, General Counsel and Secretary in January 2005 and was elected Chief Administrative Officer, General Counsel and Secretary effective August 2019.  Previously, Mr. DeBoer served as Vice President, General Counsel and Corporate Secretary of Tom Brown, Inc., an independent oil and gas exploration and production company.  Mr. DeBoer has 40 years of experience in managing the legal departments of several independent oil and gas companies.  He holds a Bachelor of Science degree in political science from South Dakota State University and received his J.D. and MBA degreesaccounting from the University of South Dakota.

Correne S. Loeffler joined us in August 2019 as Chief Financial Officer.  Ms. Loeffler has 14 years of oil and gas experience.  She  previously served as Vice President, Finance and Treasurer for Callon Petroleum Company for two years and also served as Interim Chief Financial Officer for a portion of that time.  Prior to joining Callon, Ms. Loeffler was Executive Director with JPMorgan Securities, LLC where she was employed in the Corporate Client Bank Group for 12 years.  She started her career as a consultant at Accenture.  Ms. Loeffler holds a Bachelor of Arts degree from Indiana University and a Master of Business Administration degree from the University of Texas.Northern Colorado.

Charles J. Rimer joined us in November 2018 as Chief Operating Officer.  Mr. Rimer has 3739 years of experience in the industry.  Prior to joining Whiting, he was Senior Vice President, U.S. Onshore at Noble Energy, Inc. from 2017 to November 2018.  Additionally, he held various management and technical positions during his 16 years at Noble Energy, Inc. including Senior Vice President, Global Services; Senior Vice President, U.S. Onshore; Senior Vice President, Global EHSR and Operations Services; Vice President of Operations Services; among others.  He also held various management and technical positions at Aspect Resources, Vastar Resources and ARCO Oil & Gas Company where he began his career in 1983.  Mr. Rimer holds a Bachelor of Arts degree in business from Furman University and a Bachelor of Science degree in petroleum engineering from the University of Texas.

Timothy M. SulserJames P. Henderson joined us in September 20182020 as Executive Vice President Finance and Chief Corporate Development and StrategyFinancial Officer.  Mr. SulserHenderson has 2131 years of oil and gas experience.  He co-founded Salt Creek Oil and Gas, LLC in 2015 after five years as an investment banker with Tudor, Pickering, Holt & Co. (“TPH”), most recently heading its Denver office.  While at TPH, Mr. Sulser advised upstream clients on acquisitions and divestitures and energy capital markets.  Prior to joining TPH,Whiting, Mr. Henderson served as Chief Financial Officer of SRC Energy from 2015 until the closing of its merger with PDC Energy in January 2020.  From January 2020 until September 2020 he workedwas a private investor.  He also served as a reservoir engineer for reserve engineering consultant Netherland, Sewell,Chief Financial Officer of Kodiak until its acquisition by Whiting in 2014.  Prior to joining Kodiak, Mr. Henderson held various positions at Aspect Energy, Anadarko Petroleum, Western Gas Resources, Apache Corporation and Associates in Houston, Texas.Pennzoil Company.  He started his career with Marathon Oil Company in Lafayette, Louisiana.  Mr. Sulser holds a Bachelor of ScienceBusiness Administration degree in petroleum engineeringaccounting from MontanaTexas Tech University and a Master of ScienceBusiness Administration degree in operations researchfinance from ColumbiaRegis University.

Sirikka R. Lohoefener joined us in June 2006 as a Senior Financial Accountant, became Financial Reporting Manager in January 2011 and Controller in March 2015.  She was appointed Controller and Treasurer in March 2017, Vice President, Controller and Treasurer in December 2018 and Vice President, Accounting and Controller in October 2019 and serves as the Company’s designated principal accounting officer.  Prior to joining Whiting, Ms. Lohoefener spent five years with Wagner, Burke & Barnes, LLP, a public accounting firm previously

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based in Golden, Colorado.  She holds a Master of Accountancy degree from the University of Missouri and is a Certified Public Accountant.

M. Scott Regan joined us in November 2015 as Deputy General Counsel and was appointed Vice President, Legal, General Counsel and Secretary in November 2020.  He has 18 years of experience in the oil and gas industry.  Prior to joining Whiting, Mr. Regan served in various positions in the legal department of Ovintiv, where he most recently served as Vice President, Legal, Western and Southern Operations.  Mr. Regan began his legal career in 1996 with the law firm of Crowley, Haughey, Hanson, Tool & Dietrich (now Crowley Fleck) in Helena, Montana and joined Holland & Hart in Denver, Colorado in 1998.  Mr. Regan has a Bachelor of Arts degree in history from Montana State University and a Juris Doctor degree from the University of Montana School of Law.

Executive officers are elected by, and serve at the discretion of, the Board of Directors.Board.  There are no family relationships between any of our directors or executive officers.

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PART II

Item 5.        Market for the Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities

Whiting Petroleum Corporation’s common stock is traded on the New York Stock Exchange under the symbol “WLL”.  On February 20, 2020,17, 2022, there were 444561 holders of record of our common stock.

On November 8, 2017, our Board of Directors approved a reverse stock split of our common stock at a ratio of one-for-four and a reduction in the number of authorizedSeptember 1, 2020, upon emergence from chapter 11 bankruptcy, all existing shares of our common stock from 600,000,000 shares to 225,000,000.  Our common stock began trading on a split-adjusted basis on November 9, 2017 upon openingthe Predecessor Company’s (as defined in Item 8 of the markets.  All share and per share amounts in this Annual Report on Form 10-K for periods prior10-K) common stock were cancelled and the reorganized Whiting issued 38,051,125 shares of new common stock as well as 4,837,821 Series A Warrants and 2,418,910 Series B Warrants to November 2017 have been retroactively adjustedpurchase shares of the reorganized Whiting’s common stock.  For more information regarding our emergence from chapter 11 bankruptcy refer to reflect the reverse stock split.“Chapter 11 Emergence” footnote in the notes to the consolidated financial statements in Item 8 of this Annual Report on Form 10-K.

We havedeclared a dividend of $0.25 per share of common stock for the first quarter of 2022, payable as of March 15, 2022 to shareholders of record as of February 21, 2022.  Previously, we had not paid any cash dividends on our common stock since we were incorporated in July 2003, and we do not anticipate paying any such dividends on our common stock in the foreseeable future.  We currently intend to retain future earnings, if any, to finance the expansion of our business.2003.  Our future dividend policy is within the discretion of our board of directorsBoard and will depend upon various factors, including our financial position, cash flows, results of operations, capital requirements and investment opportunities.  

Information relating to compensation plans under which our equity securities are authorized for issuance is set forth in Part III, Item 12 of this Annual Report on Form 10-K.

The following information in this Item 5 of this Annual Report on Form 10-K is not deemed to be “soliciting material” or to be “filed” with the SEC or subject to Regulation 14A or 14C under the Securities Exchange Act of 1934 or to the liabilities of Section 18 of the Securities Exchange Act of 1934, and will not be deemed to be incorporated by reference into any filing under the Securities Act of 1933 or the Securities Exchange Act of 1934, except to the extent we specifically incorporate it by reference into such a filing.

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The following graph compares on a cumulative basis changes since September 2, 2020 (first full trading day post-bankruptcy) in (a) the total stockholder return on our common stock with (b) the total return on the Standard & Poor’s Composite 500 Index and (c) the total return on the Dow Jones U.S. Exploration & Production Index.  Such changes have been measured by dividing (a) the sum of (i) the cumulative amount of dividends for the measurement period, assuming dividend reinvestment, and (ii) the difference between the price per share at the end of and the beginning of the measurement period, by (b) the price per share at the beginning of the measurement period.  The graph assumes $100 was invested on September 2, 2020 at market closing in our common stock, the Standard & Poor’s Composite 500 Index and the Dow Jones U.S. Exploration & Production Index, respectively.

Graphic

    

9/2/2020

    

12/31/2020

    

3/31/2021

    

6/30/2021

    

9/30/2021

    

12/31/2021

Whiting Petroleum Corporation

$

100

$

128

$

182

$

280

$

300

$

332

Standard & Poor’s Composite 500 Index

 

100

 

105

 

111

 

120

 

120

 

133

Dow Jones U.S. Exploration & Production Index

 

100

 

114

 

152

 

175

 

177

 

189

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The following graph compares on a cumulative basis changes from December 31, 20142016 through September 1, 2020 (last full trading day pre-bankruptcy) in (a) the total stockholder return on our common stock with (b) the total return on the Standard & Poor’s Composite 500 Index and (c) the total return on the Dow Jones U.S. Exploration & Production Index.  Such changes have been measured by dividing (a) the sum of (i) the cumulative amount of dividends for the measurement period, assuming dividend reinvestment, and (ii) the difference between the price per share at the end of and the beginning of the measurement period, by (b) the price per share at the beginning of the measurement period.  The graph assumes $100 was invested on December 31, 20142016 at market closing in our common stock, the Standard & Poor’s Composite 500 Index and the Dow Jones U.S. Exploration & Production Index, respectively.

45Graphic

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Graphic

    

12/31/2014

    

12/31/2015

    

12/31/2016

    

12/31/2017

    

12/31/2018

    

12/31/2019

    

12/31/2016

    

12/31/2017

    

12/31/2018

    

12/31/2019

    

9/1/2020

Whiting Petroleum Corporation

$

100

$

29

$

36

$

20

$

17

$

6

$

100

$

55

$

47

$

15

$

1

Standard & Poor’s Composite 500 Index

 

100

 

99

 

109

 

130

 

122

 

157

 

100

 

119

 

112

 

144

 

158

Dow Jones U.S. Exploration & Production Index

 

100

 

75

 

92

 

91

 

74

 

91

 

100

 

100

 

81

 

100

 

50

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Item 6.       Selected Financial DataReserved

The consolidated statements of operations and statements of cash flows information for the years ended December 31, 2019, 2018 and 2017 and the consolidated balance sheet information at December 31, 2019 and 2018 are derived from our audited financial statements included elsewhere in this report.  The consolidated statements of operations and statements of cash flows information for the years ended December 31, 2016 and 2015 and the consolidated balance sheet information at December 31, 2017, 2016 and 2015 are derived from audited financial statements that are not included in this report.  Our historical results include the results from our recent proved property acquisition of properties in North Dakota and Montana on July 31, 2018.  In addition, our historical results also include the effects of our recent property divestitures beginning on the following closing dates: non-operated properties in North Dakota, July 29, 2019 and August 15, 2019; properties in the Fort Berthold Indian Reservation area, September 1, 2017; gas processing plants and related gathering systems in North Dakota, January 1, 2017; properties in the North Ward Estes field, July 27, 2016; water facilities in Colorado, December 16, 2015; non-core properties in various fields across multiple states, December 15, 2015, November 12, 2015 and June 10, 2015; and the underlying properties of Whiting USA Trust I, April 15, 2015.  For a discussion of other material factors affecting the comparability of the information presented below, refer to “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in Item 7 of this Annual Report on Form 10-K.

Year Ended December 31,

2019

2018

2017

2016

2015

(in millions, except per share data)

Consolidated Statements of Operations Information

Operating revenues

$

1,572.2

$

2,081.4

$

1,481.4

$

1,285.0

$

2,092.5

Net income (loss) attributable to common shareholders

$

(241.2)

$

342.5

$

(1,237.6)

$

(1,339.1)

$

(2,219.2)

Earnings (loss) per common share, basic (1)

$

(2.64)

$

3.77

$

(13.65)

$

(21.27)

$

(45.41)

Earnings (loss) per common share, diluted (1)

$

(2.64)

$

3.73

$

(13.65)

$

(21.27)

$

(45.41)

Other Financial Information

Net cash provided by operating activities

$

756.0

$

1,092.0

$

577.1

$

595.0

$

1,051.4

Net cash provided by (used in) investing activities

$

(733.8)

$

(953.1)

$

73.4

$

(222.6)

$

(1,982.1)

Net cash provided by (used in) financing activities

$

(27.1)

$

(1,004.7)

$

155.6

$

(315.3)

$

868.7

Cash capital expenditures

$

793.4

$

956.7

$

852.0

$

543.9

$

2,483.7

Consolidated Balance Sheet Information

Total assets

$

7,636.7

$

7,759.6

$

8,403.0

$

9,876.1

$

11,389.1

Long-term debt

$

2,799.9

$

2,792.3

$

2,764.7

$

3,535.3

$

5,197.7

Total equity (2)

$

4,025.0

$

4,270.3

$

3,919.1

$

5,149.2

$

4,758.6

(1)On November 8, 2017, our Board of Directors approved a one-for-four reverse stock split of our common stock.  Earnings (loss) per common share for periods prior to 2017 have been retroactively adjusted to reflect the reverse stock split.
(2)No cash dividends were declared or paid on our common stock during the periods presented.

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Item 7.      Management’s Discussion and Analysis of Financial Condition and Results of Operations

Unless the context otherwise requires, the terms “Whiting”, “we”, “us”,“Whiting,” “we,” “us,” “our” or “ours” when used in this Item refer to Whiting Petroleum Corporation, together with its consolidated subsidiaries, Whiting Oil and Gas Corporation (“Whiting Oil and Gas” or “WOG”), Whiting US Holding Company, Whiting Canadian Holding Company ULC, Whiting Resources CorporationLLC (“WRC,” formerly Whiting Resources Corporation) and Whiting Programs, Inc.  In September 2020, Whiting US Holding Company merged with and into WOG with WOG surviving, and WRC transferred all of its operating assets to WOG.  In November 2020, WRC, over a series of steps, was amalgamated with Whiting Canadian Holding Company ULC and subsequently dissolved.  When the context requires, we refer to these entities separately.  This document contains forward-looking statements, which give our current expectations or forecasts of future events.  Please refer to “Forward-Looking Statements” at the end of this Item for an explanation of these types of statements.

Overview

We are an independent oil and gas company engaged in development, production acquisition and explorationacquisition activities primarily in the Rocky Mountains region of the United States.  Our current operations and capital programs are focused on organic drilling opportunities and on the development of previously acquired properties, specifically on projects that we believe provide the greatest potential for repeatable success and production growth, while selectively pursuing acquisitions that complement our existing core properties and exploring other basinsStates where we can apply our existing knowledge and expertise to build production and add proved reserves.  As a result of lower crude oil prices during 2017 and 2018, we significantly reduced our level of capital spending and focused our drilling activity on projects that provide the highest rate of return, while closely aligning our capital spending with cash flows generated from operations.  During 2019, weare focused on developing our large resource play in the Williston Basin of North Dakota and Montana, while continuing to closely alignMontana.  Since our inception, we have built a strong asset base through a combination of property acquisitions, development of proved reserves and exploration activities.  We are currently focusing our capital spending withprograms on drilling and workover opportunities that we believe provide attractive well-level returns in order to maintain consistent production levels and generate free cash flowsflow.  In addition, we are selectively pursuing acquisitions that complement our existing core properties.  During 2021, we focused on high-return projects in our asset portfolio that generated significant cash flow from operations.  We continually evaluate our property portfolio and sell properties when we believe that the sales price realized will provide an above average rate of return for the property or when the property no longer matches the profile of properties we desire to own,own.  Refer to “Recent Developments” below for more information on our recent acquisition and divestiture activity.

We are committed to developing the energy resources the world needs in a safe and responsible way that allows us to protect our employees, our contractors, our vendors, the public and the environment while also meeting or exceeding regulatory requirements.  We continually evolve our practices to better protect wildlife habitats and communities, to reduce freshwater use in our development process, to identify and reduce methane emissions of our operations, to encourage waste reduction programs and to promote worker safety.  Additionally, we are committed to transparency in reporting our environmental, social and governance performance and to monitoring such asperformance through various measures, some of which are tied to our short-term incentive program for all employees.  Refer to our Sustainability Report published on our website for sustainability performance highlights and additional information.  Information contained in our Sustainability Report is not incorporated by reference into, and does not constitute a part of, this Annual Report on Form 10-K.  Concurrently, our oil and gas development and production operations are subject to stringent environmental regulations governing the asset sales discussed below under “Acquisition and Divestiture Highlights” andrelease of certain materials into the environment which often require costly compliance measures that carry substantial penalties for noncompliance.  However, we have not incurred any material penalties historically.  Refer to “Government Regulation” in the “Acquisitions and Divestitures” footnote in the notes to the consolidated financial statements.Item 1 of this Annual Report on Form 10-K for more information.

Our revenue, profitability, cash flows and future growth rate depend on many factors which are beyond our control, such as oil and gas prices, economic, political and regulatory developments, the financial condition of our industry partners, competition from other sources of energy, cost pressures as a result of inflation and the other items discussed under the caption “Risk Factors” in Item 1A of this Annual Report on Form 10-K.  Oil and gas prices historically have been volatile and may fluctuate widely in the future.  The following table highlights the quarterly average NYMEX price trends for crude oil and natural gas prices since the first quarter of 2018:2019:

2018

2019

2019

2020

2021

    

Q1

    

Q2

    

Q3

    

Q4

    

Q1

    

Q2

    

Q3

Q4

Q1

    

Q2

    

Q3

    

Q4

    

Q1

    

Q2

    

Q3

    

Q4

    

Q1

    

Q2

    

Q3

    

Q4

Crude oil

$

62.89

$

67.90

$

69.50

$

58.83

$

54.90

$

59.83

$

56.45

$

56.96

$

54.90

$

59.83

$

56.45

$

56.96

$

46.08

$

27.85

$

40.94

$

42.67

$

57.80

$

66.06

$

70.55

$

77.17

Natural gas

$

3.13

$

2.77

$

2.88

$

3.62

$

3.00

$

2.58

$

2.29

$

2.44

$

3.00

$

2.58

$

2.29

$

2.44

$

1.88

$

1.66

$

1.89

$

2.51

$

2.56

$

2.74

$

3.95

$

5.13

Oil prices improved during 2021 compared to the lows experienced during 2020, when prices were depressed primarily due to the economic effects of the coronavirus pandemic on the demand for oil and natural gas and uncertainty around output restraints on oil production agreed upon by the Organization of Petroleum Exporting Countries (“OPEC”) and other oil exporting nations.  While oil, NGL and natural gas prices have recovered significantly, uncertainties related to the demand for oil and natural gas products remain as the pandemic continues to impact the world economy and OPEC continues to debate appropriate production levels to balance the market.  Lower oil, NGL and natural gas prices may not only decrease our revenues on a per unit basis, but may alsoand reduce the amount of oil and natural gas that we can produce economically, and therefore potentially lowerwhich decreases our oil and gas reserve quantities.  Substantial and extended declines in oil, NGL and natural gas prices have resulted, and may result, in impairments of our proved oil and gas properties or undeveloped acreage (such as the impairments discussed below under “Results of Operations”) and may materially and adversely affect our future business, financial condition, cash

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flows, results of operations, liquidity or ability to financefund planned capital expenditures.  In addition, lower commodity prices may reduceresult in a reduction of the amount of our borrowing base under our credit agreement,Credit Agreement, which is determined at the discretion of our lenders and is based on the collateral value of our proved reserves that have been mortgaged to the lenders, as occurred with our most recent semi-annual redetermination where the borrowing base was lowered from $2.25 billion to $2.05 billion in October 2019.lenders.  Upon a redetermination, if total outstanding credit exposure exceeds the redetermined borrowing base, we will be required to prepay outstanding borrowings in an aggregate principal amount equalexcess of the revised borrowing capacity were outstanding, we could be forced to such excess in six substantially equal monthly installments.immediately repay a portion of the debt outstanding under our Credit Agreement.  Alternatively, higher oil prices may result in significant mark-to-market losses being incurred on our commodity-based derivatives.derivatives (such as the net derivative losses discussed below under “Results of Operations”).

For a discussion of material changes to our proved reserves from December 31, 20182020 to December 31, 20192021 and our ability to convert PUDs to proved developed reserves, refer to “Reserves” in Item 2 of this Annual Report on Form 10-K.  Additionally, for a discussion relating to the minimum remaining terms of our leases, refer to “Acreage” in Item 2 of this Annual Report on Form 10-K.

Recent Developments

Return of Capital.  In February 2022, we announced an initial regular dividend payment of $0.25 per share which will begin in the first quarter of 2022.  Our Board and management are committed to returning capital in line with our industry peers and we will continue to evaluate all forms of capital returns, including buying back outstanding shares and paying variable dividends.

Williston Basin Acquisitions.  On September 14, 2021, we completed the acquisition of interests in oil and gas properties located in Mountrail County, North Dakota for an aggregate purchase price of $271 million (before closing adjustments).  This transaction was funded primarily with borrowings under our Credit Agreement, which have subsequently been repaid.

On December 16, 2021, we completed the acquisition of additional interests in oil and gas properties located in Mountrail County, North Dakota for an aggregate purchase price of $32 million (before closing adjustments).  This transaction was funded with cash on hand and borrowings under our Credit Agreement, which have subsequently been repaid.

On February 1, 2022, we entered into a purchase and sale agreement to acquire additional interests in oil and gas properties located in Mountrail County, North Dakota for an aggregate purchase price of $240 million (before closing adjustments).  We expect this transaction to close in March 2022.  We intend to finance this acquisition with cash on hand and borrowings under our Credit Agreement.

On a combined basis, our recent Williston Basin acquisitions included interests in 76 new gross producing oil and gas wells and increased interests in 527 existing gross producing wells.  Overall, the acquisitions effectively added 136.2 net producing wells and included approximately 23,300 net undeveloped acres.

Denver-Julesburg Basin Divestiture.  On September 23, 2021, we completed the divestiture of all of our interests in producing assets and undeveloped acreage, including the associated midstream assets, of our Redtail field located in the Denver-Julesburg Basin of Weld County, Colorado for aggregate sales proceeds of $171 million (before closing adjustments).  The divestiture remains subject to a final settlement between Whiting and the buyer of the properties.  The production from the divested properties (which was approximately 51% oil) represented approximately 8% of our average total production as of the divestiture date.  We used the net proceeds from the sale to repay a portion of the borrowings outstanding under our Credit Agreement.

Chapter 11 Emergence and Fresh Start Accounting.  On April 1, 2020 (the “Petition Date”), Whiting and certain of its subsidiaries (the “Debtors”) commenced voluntary cases (the “Chapter 11 Cases”) under chapter 11 of the Bankruptcy Code.  On June 30, 2020, the Debtors filed the Joint Chapter 11 Plan of Reorganization of Whiting Petroleum Corporation and its Debtor affiliates (as amended, modified and supplemented, the “Plan”).  On August 14, 2020, the Bankruptcy Court confirmed the Plan.  On September 1, 2020 (the “Emergence Date”), the Debtors satisfied all conditions required for Plan effectiveness and emerged from the Chapter 11 Cases.

Beginning on the Emergence Date, we applied fresh start accounting, which resulted in a new basis of accounting and we became a new entity for financial reporting purposes.  As a result of the application of fresh start accounting and the effects of the implementation of the Plan, the consolidated financial statements after September 1, 2020 are not comparable with the consolidated financial statements on or prior to that date and the historical financial statements on or before the Emergence Date are not a reliable indicator of our financial condition and results of operations for any period after the adoption of fresh start accounting.  References to “Successor” refer to Whiting and its financial position and results of operations after the Emergence Date.  References to “Predecessor” refer to Whiting and its financial position and results of operations on or before the Emergence Date.  References to “2020 Successor Period” relate to the period of September 1, 2020 through December 31, 2020.  References to “2020 Predecessor Period” relate to the period of January 1, 2020 through August 31, 2020.  Although GAAP requires that we report on our results for the 2020 Successor Period and the 2020 Predecessor Period separately, in certain circumstances management views our combined Predecessor and Successor operating results for the year ended December 31, 2020 as the most meaningful comparisons to current and prior periods.  Accordingly, references to “2020 Combined YTD Period” refer to the year ended December 31, 2020.

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2019Settlement of Bankruptcy Claims.  Prior to the Chapter 11 Cases, WOG was party to various executory contracts with BNN Western, LLC, subsequently renamed Tallgrass Water Western, LLC (“Tallgrass”), including a Produced Water Gathering and Disposal Agreement (the “PWA”).  In January 2021, WOG and Tallgrass entered into a settlement agreement to resolve all of the related claims before the Bankruptcy Court relating to such executory contracts, terminated the PWA and entered into a new Water Transport, Gathering and Disposal Agreement.  In accordance with the settlement agreement, we made a $2 million cash payment and issued 948,897 shares of the Successor’s common stock pursuant to the confirmed Plan to a Tallgrass entity in February 2021.

2021 Highlights and Future Considerations

Operational Highlights

Northern Rocky MountainsNorth Dakota and Montana – Williston Basin

Our properties in the Williston Basin of North Dakota and Montana target the Bakken and Three Forks formations.  Net production from the Williston BasinNorth Dakota and Montana averaged 112.091.6 MBOE/d for the fourth quarter of 2019,2021, representing a 1%an 8% increase from 111.4 MBOE/d in the third quarter of 2019.2021.  Across our acreage in the Williston Basin, we have implemented customized, right-sized completion designs which utilize the optimum volume of proppant, fluids, and frac stagesspecifically tailored to unique reservoir conditions to increase well performance while reducing cost.  We have increased stages pumped per day by focusingcontinued to focus on new technologies such as quick-install wellhead connections and frac plug innovations.  We plan to continue to use right-sized completion designs on wells we drill in 2020, while also utilizing state-of-the-art drilling rigs, high-torque mud motors and 3-D bit cutter technology to reducereducing time-on-location and total well cost.cost while maximizing our lateral footage through drilling best practices including utilizing top tier drilling rigs, advanced downhole motor and drill bit technology and our custom drilling fluid system.  

During the year ended December 31, 2021 and the first part of 2022, we completed several acquisitions of additional oil and gas properties in the Williston Basin.  Refer to “Recent Developments” above for additional details.

During the majority of 2021, we had one active completion crew in the Williston Basin.  In addition, we resumed drilling in the area in February with one rig and added a second rig at the end of September.  During the fourth quarter of 2021, we drilled 17 gross (10.4 net) operated wells and TIL 16 gross (12.0 net) operated wells in this area.  As of December 31, 2019,2021, we had four rigs active in the Williston Basin.  Wehave 34 gross (20.2 net) operated drilled 31uncompleted wells.  Under our current 2022 capital program, we expect to TIL approximately 68 gross (43.4 net) operated wells and put 35 wells on production in this area during the fourth quarter of 2019.  First quarter 2020 production has been impacted by severe weather conditions and associated electric submersible pump failuresyear.

Other Non-Core Properties

Whiting USA Trust II.  On December 31, 2021, the net profits interest (“NPI”) conveyed to Whiting USA Trust II (“Trust II”) on multiple high value wells.  We estimate that this will impact first quarter 2020 production results by approximately 5 MBOE/d.

Central Rocky Mountains – Denver-Julesburg Basin

Our Redtail fieldMarch 28, 2012 terminated.  Upon termination, the NPI in the Denver-Julesburg Basin (“DJ Basin”) in Weld County, Colorado targetsunderlying properties, which received 90% of the Niobraranet cash proceeds from the sale of oil and Codell/Fort Hays formations.  Netnatural gas production from the Redtail field averaged 10.4underlying properties prior to its termination, reverted to Whiting.  As of December 31, 2021, the NPI included interests in 1,305 gross (364.4 net) producing wells.  The incremental production from the underlying properties that reverted to Whiting upon termination was approximately 2.0 MBOE/d inbased on production during the fourth quarter of 2019, representing a 7% decrease from 11.2 MBOE/d in the third quarter of 2019.  We2021.  The incremental LOE expense that reverted to Whiting upon termination was approximately $2 million.  The asset retirement obligations for these properties were not conveyed to Trust II and have established production in the Niobrara “A”, “B” and “C” zones and the Codell/Fort Hays formations.  We completed 22 drilled uncompleted wells (“DUCs”)therefore been included in our Redtail field duringconsolidated financial statements for all periods presented.  Additionally, the first half of 2018, and no additional wells were drilled or completed in 2019.  During 2019 we worked on maintaining base production with improved artificial lift techniques and reductions in lease operating expenses.  

Our Redtail gas plant processes the associated gas produced from our wellsreserves disclosed in this area, and has a current inlet capacityAnnual Report on Form 10-K contemplate the reversion of 50 MMcf/d.  As ofthe NPI on December 31, 2019, the plant was processing 22 MMcf/d.2021.

Financing Highlights

In September 2019,On the Emergence Date, in connection with our emergence from the Chapter 11 Cases, we paid $299 million to complete a cash tender offer for $300 million aggregate principal amount of our 2020 Convertible Senior Notes, which payment consisted of the 99.0% purchase price plusrepaid all accruedoutstanding borrowings and unpaidaccrued interest on the notes.

Predecessor’s credit agreement (the “Predecessor Credit Agreement”) and entered into the Credit Agreement with a syndicate of banks.  In September 2019,2021, the borrowing base under the Credit Agreement of $750 million was reaffirmed in connection with our semi-annual borrowing base redetermination.  On September 15, 2021, we paid $24 millionamended the Credit Agreement to repurchase $25 million aggregate principalreduce the amount of future production we are required to hedge.  In accordance with the amendment, we are now only required to hedge 50% of our 2021 Senior Notes, which payment consistedprojected production for any succeeding twelve months, as compared to 65% prior to the amendment.  Additionally, as long as we maintain a net leverage ratio of less than 1.0 to 1.0, we are no longer required to hedge any production for a second succeeding twelve months, compared to a 35% requirement prior to the average 94.708% purchase price plus all accrued and unpaid interest on the notes.  In October 2019, we paid an additional $72 million to repurchase $75 million aggregate principal amount of the 2021 Senior Notes, which payment consisted of the average 95.467% purchase price plus all accrued and unpaid interest on the notes.

We financed the tender offer and repurchases with borrowings under our credit agreement.amendment.  Refer to the “Long Term“Long-Term Debt” footnote in the notes to the consolidated financial statements for more information on the tender offer and repurchases.information.

In October 2019, the borrowing base under our credit agreement was reduced from $2.25 billion to $2.05 billion in connection with the November 1, 2019 regular borrowing base redetermination, with no change to the aggregate commitments51

Table of $1.75 billion.Contents

20202022 Exploration and Development Budget

Our 20202022 exploration and development (“E&D”) budget is a range of $585$360 million to $620$400 million, which we expect to fund substantially with net cash provided by our operating activities and cash on hand, and represents a decreasean increase from the $778$247 million incurred on E&D expenditures during 2019.2021.  This reducedincrease in spending is primarily attributable to increased working interests related to wells we plan to drill on the acreage acquired through our recent Williston Basin acquisitions as further described in “Recent Developments” above, fewer drilled uncompleted wells as of the end of 2021 as compared to the prior year and inflationary cost pressures on services and materials.  The 2022 budget reinvests approximately 40% of our expected EBITDA for the year, which we expect to allow us to maintain our recently announced dividend and continue to increase our return of capital.  We continue to maintain our commitment to closely alignkeep our capital spending withwithin cash flows generated from operations.operations and strict adherence to economic full cycle well returns.  To the extent net cash provided by operating activities is higher or lower than currently anticipated, we would generate more or less free cash flow than we currently anticipate and may adjust our E&D budget and attempt to enter into agreements with industry partners, divest certain oil and gas property interests,or adjust borrowings outstanding under the Credit Agreement.  We believe our credit facility or access the capital markets as necessary.  Approximately 90% of the midpoint of our 20202022 E&D budget currently is allocated

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to drilling and completion activity.  Of our existing development opportunities, we believe this allocation of our capital presentsplan provides the opportunity for the highest return and most efficient use of our capital.capital on our existing development opportunities.

Acquisition and Divestiture Highlights

On July 29, 2019, we completed the divestiture of our interests in 137 non-operated, producing oil and gas wells located in McKenzie, Mountrail and Williams counties of North Dakota for aggregate sales proceeds of $27 million (before closing adjustments).  

On August 15, 2019, we completed the divestiture of our interests in 58 non-operated, producing oil and gas wells located in Richland County, Montana and Mountrail and Williams counties of North Dakota for aggregate sales proceeds of $26 million (before closing adjustments).  

On a combined basis, the divested properties consisted of less than 1% of our estimated proved reserves as of December 31, 2018 and our April 2019 average daily production.Access Pipeline

On January 9,March 25, 2020, we completed the divestitureU.S. District Court for D.C. (“D.C. District Court”) found that the U.S. Army Corps of our interestsEngineers (“Army Corps”) had violated the National Environmental Policy Act when it granted an easement relating to a portion of the Dakota Access Pipeline (“DAPL”) because it had failed to prepare an environmental impact statement (“EIS”).  As a result, in 30 non-operated, producingan order issued July 6, 2020, the D.C. District Court vacated the easement and directed that the DAPL be shut down and emptied of oil and gas wells and related undeveloped acreage located in McKenzie County, North Dakota for aggregate sales proceedsby August 5, 2020.  After issuing a stay of $25 million (before closing adjustments).  The divested properties consistedthe order to shut down the pipeline on August 5, 2020, the U.S. Court of less than 1% of our estimated proved reserves as of December 31, 2019 and 1% of our average daily productionAppeals for the year ended December 31, 2019.D.C. Circuit (“D.C. Appellate Court”), on January 26, 2021, affirmed the D.C. District Court’s decision to vacate the easement and concluded that the D.C. District Court must further consider whether shut down of the DAPL is an appropriate remedy while the Army Corps develops an EIS.  On May 21, 2021, the D.C. District Court ruled that it would not issue an injunction requiring a shutdown of the DAPL and that the DAPL could continue to operate while the Army Corps prepares an EIS.  The D.C. District Court further ruled on June 22, 2021 that the litigation be dismissed and that the plaintiffs could renew their challenge to DAPL upon the Army Corps’ issuance of an EIS.  Barring different discretionary action by the Army Corps, these rulings allow the DAPL’s continued operation unless and until new challenges are made and succeed following issuance of the EIS, which the Army Corps anticipates issuing in the fall of 2022.  On September 20, 2021, the DAPL’s owner filed a petition with the U.S. Supreme Court seeking review of the lower courts’ decisions requiring a new EIS and permit, and the plaintiff tribes and Army Corps filed briefs opposing such review.  However, the U.S. Supreme Court declined to accept the case for review.  The potential disruption of transportation as a result of the DAPL being shut down or the anticipation of the DAPL being shut down could negatively impact our ability to achieve the most favorable prices for our crude oil production, which could have an adverse effect on our business, financial condition, results of operations and cash flows.  To help mitigate the potential impact of an unfavorable outcome, we have coordinated with our midstream partners and downstream markets to source transportation alternatives.

Restructuring

On July 31, 2019, we executed a workforce reduction as part of an organizational redesign and cost reduction strategy to better align our business with the current operating environment and drive long-term value.  We incurred a one-time net charge of $8 million to general and administrative expense during 2019 related to this restructuring.

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Results of Operations

The following table sets forth selectedWe cannot adequately benchmark certain operating dataresults of the 2020 Successor Period against any of the previous periods reported in our consolidated financial statements without combining that period with the 2020 Predecessor Period, and we do not believe that reviewing the results of this period in isolation would be useful in identifying trends in or reaching conclusions regarding our overall operating performance.  Management believes that our key performance metrics such as sales, production, lease operating expenses and general and administrative expenses for the 2020 Successor Period when combined with the 2020 Predecessor Period provide more meaningful comparisons to current and prior periods indicated:and are more useful in identifying current business trends.  Accordingly, in addition to presenting our results of operations as reported in our consolidated financial statements in accordance with GAAP, in certain circumstances the discussion in “Results of Operations” below utilizes the combined results for the year ended December 31, 2020.

Year Ended December 31,

Successor

Predecessor

Non-GAAP

    

2019

    

2018

2017

   

Year Ended December 31, 2021

Four Months Ended December 31, 2020

  

  

Eight Months Ended August 31, 2020

  

Combined Year Ended December 31, 2020

Net production

Oil (MMBbl)

29.8

31.5

29.3

19.3

6.8

15.3

22.1

NGLs (MMBbl)

7.6

7.4

7.0

7.2

2.1

4.5

6.6

Natural gas (Bcf)

50.5

46.8

41.3

42.0

14.3

29.7

44.0

Total production (MMBOE)

45.8

46.7

43.1

33.5

11.4

24.7

36.1

Net sales (in millions)(1)

Oil (1)

$

1,492.2

$

1,850.1

$

1,296.4

$

1,251.0

$

254.1

$

440.8

$

694.9

NGLs

51.4

153.6

111.6

162.6

12.4

20.1

32.5

Natural gas

28.6

77.7

73.4

98.2

6.9

(1.9)

5.0

Total oil, NGL and natural gas sales

$

1,572.2

$

2,081.4

$

1,481.4

$

1,511.8

$

273.4

$

459.0

$

732.4

Average sales prices

Oil (per Bbl) (1)

$

50.06

$

58.70

$

44.30

$

64.77

$

37.05

$

28.86

$

31.40

Effect of oil hedges on average price (per Bbl)

0.83

(4.98)

0.29

(14.70)

(0.34)

3.00

1.96

Oil after the effect of hedging (per Bbl)

$

50.89

$

53.72

$

44.59

$

50.07

$

36.71

$

31.86

$

33.36

Weighted average NYMEX price (per Bbl) (2)

$

56.97

$

64.69

$

51.11

$

67.86

$

41.84

$

38.23

$

39.35

NGLs (per Bbl)(1)

$

6.76

$

20.78

$

16.00

$

22.53

$

5.90

$

4.45

$

4.91

Natural gas (per Mcf)

$

0.57

$

1.66

$

1.78

Effect of NGL hedges on average price (per Bbl)

(1.19)

-

-

-

NGLs after the effect of hedging (per Bbl)

$

21.34

$

5.90

$

4.45

$

4.91

Natural gas (per Mcf) (1)

$

2.34

$

0.48

$

(0.06)

$

0.11

Effect of natural gas hedges on average price (per Mcf)

(0.74)

(0.11)

(0.01)

(0.04)

Natural gas after the effect of hedging (per Mcf)

$

1.60

$

0.37

$

(0.07)

$

0.07

Weighted average NYMEX price (per MMBtu) (2)

$

2.58

$

3.11

$

2.97

$

3.59

$

2.44

$

1.76

$

1.98

Costs and expenses (per BOE)

Lease operating expenses

$

7.17

$

6.68

$

6.47

$

7.23

$

6.52

$

6.40

$

6.43

Transportation, gathering, compression and other

$

0.93

$

1.03

$

2.10

$

0.90

$

0.71

$

0.90

$

0.84

Production and ad valorem taxes

$

3.02

$

3.68

$

2.80

$

3.29

$

2.13

$

1.67

$

1.81

Depreciation, depletion and amortization

$

17.82

$

16.73

$

22.01

$

6.16

$

6.83

$

13.69

$

11.53

General and administrative

$

2.89

$

2.64

$

2.88

$

1.48

$

1.91

$

3.71

$

3.15

(1)Before consideration of hedging transactions.
(2)Average NYMEX pricing weighted for monthly production volumes.

Year Ended December 31, 2019

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2021 Compared to Year Ended December 31, 20182020 Successor Period and 2020 Predecessor Period or 2020 Combined YTD Period

Oil, NGL and Natural Gas Sales.Our oil, NGL and natural gas sales revenue decreased $509increased $779 million to $1.6$1.5 billion when comparing 20192021 to 2018.the 2020 Combined YTD Period.  Changes in sales revenue between periods are due to changes in production sold and changes in average commodity prices realized (excluding the impacts of hedging).  For 2019, decreases in total production accounted for approximately $90 million ofWhen comparing 2021 to the change in revenue and decreases2020 Combined YTD Period, increases in commodity prices realized between periods accounted for approximately $419an $865 million of the changeincrease in revenue, when comparing to 2018.which was partially offset by a decrease in total production between periods that accounted for an $86 million decrease in revenue.

Our oil and gas volumes decreased by 13% and 5% and, respectively, while our NGL and natural gas sales volumes increased 3% and 8%, respectively, during 2019 compared to 2018.by 9% between periods.  The oil volume decrease was mainly attributable todecreases between periods were primarily driven by normal field production decline primarily in the DJ Basin, where we ceased ourand reduced development activity during 2019,in 2020 as well as thea result of infrastructure constraintssustained lower commodity prices and our bankruptcy filing, both of which negatively impacted production during 2021.  The decline in the Williston Basin and the impact of severe weather experienced in both the Williston Basin and the DJ Basin during 2019.  This decreaseproduction resulting from lower activity was partially offset by increased production from new wells drilled and completed in the Williston Basin.  The NGL and natural gas volume increases between periods generally relate to new wells drilled and completed in the Williston Basin over the last twelve months,during 2021 as well as additional volumes processed as more wells were connected to gas processing plants in the Williston Basin in an effort to increase our overall gas capture rate in this area and reduce flared volumes.  Many of the new Williston Basin wells are in areas with higher gas-to-oil production ratios

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than previously drilled areas.  These NGL and natural gas volume increases were partially offset by normal field production decline across several of our areas.yields.  

Our average price for oil, NGLs and natural gas (before the effects of hedging) increased 106%, NGLs359% and natural gas decreased 15%, 67% and 66%2,027%, respectively, between periods.  Our average salesrealized price realized for oil, is impacted by deficiency payments we were making under two physical delivery contracts atNGLs and natural gas primarily increased as a result of favorable movements in benchmark indices between periods.  Our oil average realized price differentials to NYMEX improved between periods as a result of decreased basin-wide utilization of pipeline capacity and lower firm transportation costs during 2021, and our Redtail field duenatural gas average realized price differentials to our inability to meetNYMEX also improved significantly as a result of stronger regional pricing in the minimum volume commitments under these contracts.Williston Basin during 2021.  During 2019 and 2018,the 2020 Combined YTD Period, our total average sales price realized for oil was $2.14 per Bbl lowerNGLs and $1.25 per Bbl lower, respectively, as a result of these deficiency payments.  On February 1, 2018, we paid $61 million to the counterparty to one of these Redtail delivery contracts to settle all future minimum volume commitments under the agreement.  The remaining agreement will continue to negatively impact the price we receive for oil from our Redtail field through April 2020, when the contract terminates.  Refer to the “Commitments and Contingencies” footnote in the notes to the consolidated financial statements for more information on these physical delivery contracts and the related deficiency payments.  Our average sales price realized for natural gas iswas negatively impacted by rising market differentials as compared to NYMEXmarket indices as well as high fixed third-party costs for transportation, gathering and compression services.  These third-party costs sometimes exceeded the ultimate price we received for our natural gas and accordingly resulted in negative gas revenues during the 2020 Predecessor Period.  While these negative gas prices adversely affected our total revenues, we continued to produce our wells in order to sell the associated oil and NGLs from these wells and to meet lease and regulatory requirements.

Lease Operating Expenses.Our lease operating expenses (“LOE”) during 20192021 were $328$242 million, a $17$10 million increase over 2018.the 2020 Combined YTD Period.  This increase was primarily due to new wells put on productiona $16 million increase in well workover costs and a $7 million increase in the Williston Basin during 2019 as well as rising costscost of oilfieldoil field goods and services.  These increases wereservices due to increased completion activity, partially offset by cost savings as a result$9 million decrease in saltwater disposal costs due to lower produced volumes between periods and a $5 million decrease due to increased utilization of our company restructuring in July 2019 and cost reduction initiatives implemented during 2019.  Refer to “Restructuring” for more information on this event.company-owned equipment.

Our lease operating expenses on a BOE basis also increased when comparing 20192021 to 2018.the 2020 Combined YTD Period.  LOE per BOE amounted to $7.17$7.23 during 2019,2021, which represents an increase of $0.49$0.80 per BOE (or 12%) from the 2020 Combined YTD Period.  This increase was mainly due to lower overall production volumes between periods and the overall increase in LOE discussed above.

Transportation, Gathering, Compression and Other.  Our transportation, gathering, compression and other (“TGC”) expenses during 2021 were $30 million, which was consistent with the 2020 Combined YTD Period.  

TGC per BOE, however, increased when comparing 2021 to the 2020 Combined YTD Period.  TGC per BOE amounted to $0.90 per BOE during 2021, which represents an increase of $0.06 per BOE (or 7%) from 2018.the 2020 Combined YTD Period.  This increase was mainly due to the overall increase in LOE expense discussed above, as well as lower overall productiontransportation of certain oil volumes between periods.

Transportation, Gathering, Compression and Other. Our transportation, gathering, compression and other expenses (“TGC”)to additional delivery points during 2019 were $42 million, a $6 million decrease over 2018. This decrease was primarily due to lower realized NGL prices during 2019, which led to lower gas processing fees under our percentage-of-proceeds contracts as compared to 2018.

TGC on a BOE basis also decreased when comparing 2019 to 2018. TGC per BOE amounted to $0.93 during 2019, which represents a decreasethe second half of $0.10 per BOE (or 10%) from 2018.  This decrease was mainly due to the overall decrease in TGC expense discussed above,2021, partially offset by lower overall production volumes between periods.decreased rates negotiated with midstream partners as a result of the Chapter 11 Cases.

Production and Ad Valorem TaxesTaxes..Our production and ad valorem taxes during 20192021 were $138$110 million, a $34$45 million decrease  compared to 2018,increase over the 2020 Combined YTD Period, which was primarily due to lowerhigher sales revenue between periods.  Our production taxes, however, are generally calculated as a percentage of net oil, NGL and natural gas sales revenue before the effects of hedging, and this percentage on a company-wide basis was 8.6%7.0% and 7.8%8.5% for 20192021 and 2018,the 2020 Combined YTD Period, respectively.  Our production tax rate for 20192021 was higherlower than the rate for 2018 primarily due to our concentration of development over the last twelve months in2020 Combined YTD Period as certain production taxes levied on unprocessed gas are volume-based and did not increase with the Williston Basin states of North Dakota and Montana, which have higher tax rates than Colorado where we have had limited development activity over the past twelve months.  This increase in rate was partially offset by certain North Dakota wells receiving stripper well status, which reduces the rate from 10% to 5%.

Depreciation, Depletion and Amortization.Our depreciation, depletion and amortization (“DD&A”) expense increased $35 million in 2019 as compared to 2018.  The components of our DD&A expense were as follows (in thousands):

Year Ended December 31,

    

2019

    

2018

Depletion

$

799,080

$

763,429

Accretion of asset retirement obligations

11,602

11,405

Depreciation

5,806

6,495

Total

$

816,488

$

781,329

DD&A increased between periods primarily due to $36 million in higher depletion expense, consisting of a $52 million increase related to a higher depletion rate between periods, partially offset by a $16 million decrease due to lower overall production volumesrealized prices.  Additionally, we recognized Colorado severance tax refunds during 2019.  On a BOE basis, our overall DD&A rate of $17.82 for 2019 was 7% higher than the rate of $16.73 in 2018.  The primary factors contributing to this higher DD&A rate were a recent shift in our development activity to areas with higher average historical DD&A rates and downward revisions to proved reserves over the last twelve months.2021.

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Depreciation, Depletion and Amortization.The components of our depletion, depreciation and amortization (“DD&A”) expense were as follows (in thousands):

Successor

Predecessor

Non-GAAP

    

Year Ended December 31, 2021

Four Months Ended December 31, 2020

  

  

Eight Months Ended August 31, 2020

Combined Year Ended December 31, 2020

Depletion

$

193,529

$

71,901

$

327,227

$

399,128

Accretion of asset retirement obligations

8,237

3,801

8,200

12,001

Depreciation

4,709

1,800

3,330

5,130

Total

$

206,475

$

77,502

$

338,757

$

416,259

DD&A decreased between 2021 and the 2020 Combined YTD Period primarily due to $206 million in lower depletion expense related to a lower depletion rate between periods.  On a BOE basis, our overall DD&A rate of $6.16 per BOE for 2021 was 10% lower than the rate of $6.83 for the 2020 Successor Period and 55% lower than the rate of $13.69 per BOE for the 2020 Predecessor Period.  The primary factors contributing to the lower DD&A rates during the Successor periods were impairment write-downs on proved oil and gas properties in the Williston Basin recognized in the first and second quarters of 2020 and the application of fresh start accounting upon emergence from the Chapter 11 Cases, under which we adjusted the value of our oil and gas properties down to their fair values on the Emergence Date.  Refer to the “Fresh Start Accounting” footnote in the notes to the consolidated financial statements for more information.  

Also contributing to the lower DD&A rate in 2021 were upward reserve revisions to proved reserves, which were largely driven by higher commodity prices during the period.  

Exploration and Impairment Costs.  Our exploration and impairment costs decreased $13 million in 2019 as compared to 2018.  The components of our exploration and impairment expense were as follows (in thousands):

Year Ended December 31,

Successor

Predecessor

Non-GAAP

    

2019

    

2018

    

Year Ended December 31, 2021

Four Months Ended December 31, 2020

  

  

Eight Months Ended August 31, 2020

Combined Year Ended December 31, 2020

Impairment

$

6,707

$

3,233

$

4,161,885

$

4,165,118

Exploration

$

36,872

$

22,080

4,074

4,632

22,945

27,577

Impairment

17,866

45,288

Total

$

54,738

$

67,368

$

10,781

$

7,865

$

4,184,830

$

4,192,695

Exploration costs increased $15 million betweenImpairment expense for both of the Successor periods primarily due to increased deficiency fees paid under our produced water disposal agreement driven by reduced drilling and completions at our Redtail field during 2019 compared to 2018.

Impairment expense in 2019 primarily relatedrelates to the amortization of leasehold costs associated with individually insignificant unproved properties.  Impairment expense in 2018for the 2020 Predecessor Period primarily related to (i) $29 million$4 billion in non-cash impairment charges for the partial write-down of leasehold amortization costs associated with individually insignificant unprovedproved oil and gas properties across our Williston Basin resource play due to a reduction in reserves driven by depressed oil prices and a resultant decline in future development plans for those properties at the time and (ii) $8$12 million in impairment write-downs of undeveloped acreage costs for leases where we have no futurelonger had plans to drill.

Exploration costs decreased $24 million during 2021 compared to the 2020 Combined YTD Period primarily due to $17 million of lower deficiency fees paid under our produced water disposal agreement at our Redtail field, which contract was rejected through the Chapter 11 Cases, and $3 million of lower geology-related general and administrative expenses due to a company restructuring in September 2020.  Additionally, the 2020 Combined YTD Period includes $4 million of charges related to the write-off of certain suspended well costs for wells we no longer intend to drill and early rig termination fees incurred during the period.

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General and Administrative Expenses.  We report general and administrative (“G&A”) expenses net of third-party reimbursements and internal allocations.  The components of our G&A expenses were as follows (in thousands):

Year Ended December 31,

    

2019

    

2018

General and administrative expenses

$

224,885

$

220,100

Reimbursements and allocations

(92,276)

(96,850)

General and administrative expenses, net

$

132,609

$

123,250

Successor

Predecessor

Non-GAAP

    

Year Ended December 31, 2021

Four Months Ended December 31, 2020

  

  

Eight Months Ended August 31, 2020

Combined Year Ended December 31, 2020

General and administrative expenses, other (1)

$

111,171

$

43,853

$

135,746

$

179,599

Stock-based compensation, non-cash

10,745

515

4,188

4,703

Reimbursements and allocations

(72,396)

(22,634)

(48,118)

(70,752)

General and administrative expenses, net (GAAP)

49,520

21,734

91,816

113,550

Less: Significant cost drivers (2)

-

(12,359)

(32,888)

(45,247)

Non-GAAP general and administrative expenses less significant cost drivers (3)

$

49,520

$

9,375

$

58,928

$

68,303

(1)General and administrative expenses, other excludes non-cash stock-based compensation expense and reimbursements and allocations.  We believe general and administrative expenses, other provides useful information to compare our expenses between periods without the impact of the aforementioned items.
(2)Includes severance and restructuring charges, cash retention incentives for Predecessor executives and directors and third-party advisory and legal fees related to the Chapter 11 Cases and charges related to litigation and bankruptcy claim settlements discussed below.
(3)We believe non-GAAP general and administrative expenses less significant cost drivers is a useful measure for investors to understand our general and administrative expenses incurred on a recurring basis.  We further believe investors may utilize this non-GAAP measure to estimate future general and administrative expenses.  However, this non-GAAP measure is not a substitute for general and administrative expenses, net (GAAP), and there can be no assurance that any of the significant cost drivers excluded from such metric will not be incurred again in the future.

G&A expense before reimbursements and allocations increased $5expenses, other during 2021 decreased $68 million during 2019 as compared to 2018the 2020 Combined YTD Period primarily due to an $8$45 million one-time net chargeof significant cost drivers incurred during the 2020 Combined YTD Period, including (i) $22 million in cash retention incentives paid to Predecessor executives and directors, (ii) $11 million of third party advisory and legal fees related to the Chapter 11 Cases that were incurred prior to the Petition Date or after the Emergence Date, (iii) $8 million of severance and restructuring costs for a company restructuring during 2019 as well as higher legalcompleted in the third quarter of 2020 and litigation costs.  In addition, G&A expense for 2018 includes(iv) $5 million of credits to bad debt expenseadditional costs related to the collection of certain receivables that had been previously deemed uncollectible.  These factors resulting in increased G&A expense for 2019 were partially offsetlitigation and bankruptcy settlements.  In addition, compensation costs decreased by lower employee compensation$17 million and corporate overhead costs decreased by $9 million as a result of the restructuring.  The decreaseaforementioned company restructuring in reimbursements and allocations in 2019 was primarily the result of lower headcount due to the restructuring as well as lower development activity during the fourththird quarter of 2019.  Refer to “Restructuring” for more information on2020 and other cost reduction strategies implemented upon emergence from the company restructuring.Chapter 11 Cases, including the renegotiation of certain contracts.

Our G&A expenses on a BOE basis also increased between periods.  G&A expense per BOE amounted to $2.89 in 2019,$1.48 during 2021, which represents an increasea decrease of $0.25$1.67 per BOE (9%(or 53%) from 2018.the 2020 Combined YTD Period.  This increasedecrease was mainly due to the overall increasedecrease in G&A expense discussed above as well aspartially offset by lower overall production volumes between periods.

Derivative (Gain) Loss, Net.  Our commodity derivative contracts are marked to market each quarterreporting period with fair value gains and losses recognized immediately in earnings as derivative (gain) loss, net.  Cash flow, however, is only impacted to the extent that settlements under these contracts result in us making or receiving a payment to or from the counterparty.  Derivative (gain) loss, net, amounted to $54a loss of $520 million and $17a gain of $157 million for 20192021 and 2018,the 2020 Combined YTD Period, respectively.  These gains and losses primarily relatedrelate to our collar, swap, basis swap and optiondifferential swap commodity derivative contracts and resulted from the upward shiftand downward shifts, respectively, in the futures curve of forecasted commodity prices for crude oil, natural gas and NGLs during the respectivethose periods.

For furthermore information on our outstanding derivatives refer to the “Derivative Financial Instruments” footnote in the notes to the consolidated financial statements.

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(Gain) Loss on Sale of Properties.  During 2021, we sold all of our interests in the producing assets and undeveloped acreage, including the associated midstream assets, of our Redtail field located in the Denver-Julesburg Basin of Weld County, Colorado for aggregate sales proceeds of $171 million, which resulted in a pre-tax gain on sale of $86 million.  The divestiture remains subject to a final settlement between Whiting and the buyer of the properties.  Refer to the “Acquisitions and Divestitures” footnote in the consolidated financial statements for more information on this transaction.  Additionally, during 2021, a series of non-core producing oil and gas properties were divested for aggregate sales proceeds of $7.4 million (before closing adjustments).  As a result of one of these divestitures, our asset retirement obligation liability decreased by $10 million and we recognized a corresponding gain on sale of $10 million.

Interest Expense.  The components of our interest expense were as follows (in thousands):

Year Ended December 31,

    

2019

    

2018

Notes

$

146,583

$

152,366

Amortization of debt issue costs, discounts and premiums

28,340

30,700

Credit agreement

15,236

13,262

Other

888

1,146

Total

$

191,047

$

197,474

Successor

Predecessor

Non-GAAP

    

Year Ended December 31, 2021

Four Months Ended December 31, 2020

  

  

Eight Months Ended August 31, 2020

Combined Year Ended December 31, 2020

Credit agreements

$

11,155

$

6,570

$

23,948

$

30,518

Amortization of debt issue costs, discounts and premiums

3,554

1,257

13,536

14,793

Other

1,672

253

730

983

Notes

-

-

34,840

34,840

Total

$

16,381

$

8,080

$

73,054

$

81,134

The decrease in interest expense of $6$65 million between periodsduring 2021 compared to the 2020 Combined YTD Period was mainlyprimarily attributable to lower interest costs incurred on our notes and our credit agreements as well as lower amortization of debt issue costs, discounts and premiums.  Upon filing of the Chapter 11 Cases on April 1, 2020, we stopped incurring interest on our notes, which resulted in 2019 compared to 2018a $35 million decrease in note interest expense between periods.  In addition, the remaining unamortized debt issuance costs and premiums associated with these notes were written off on the Petition Date, resulting in an $11 million decrease in amortization expense between periods.  Upon emergence from the redemptionChapter 11 Cases, all outstanding obligations under our notes were cancelled in exchange for shares of the 2019 Notes in January 2018, the tender offer for the 2020 Convertible Senior Notes in September 2019 and the repurchases of the 2021 Senior Notes in September and October 2019.Successor common stock.  Refer to the “Chapter 11 Emergence” and “Long-Term Debt” footnotefootnotes in the notes to the consolidated financial statements for more informationinformation.

The decrease in interest expense incurred on these debt transactions.our credit agreements of $19 million during 2021 compared to the 2020 Combined YTD Period resulted from lower borrowings outstanding between periods.  Our weighted average borrowings outstanding under the Credit Agreement during 2021 were $189 million compared to $644 million of weighted average borrowings outstanding under the applicable Credit Agreements during the 2020 Combined YTD Period.

Our weighted average debt outstanding during 2019 was $2.9 billion versus $3.0 billion for 2018.2021, consisting solely of borrowings under the Credit Agreement, carried a weighted average cash interest rate of 5.9%.  Our weighted average effectivedebt outstanding during the 2020 Predecessor Period, consisting of the notes and borrowings outstanding on the Predecessor Credit Agreement, was $3.2 billion, with a weighted average cash interest rate was 5.5%of 2.8%.  The lower interest rate during both 2019 and 2018.the 2020 Predecessor Period primarily relates to the discontinuation of interest on our senior notes beginning in April 2020 as a result of filing the Chapter 11 Cases.  

Subsequent to our emergence from bankruptcy, our weighted average borrowings outstanding during the 2020 Successor Period were $410 million, with a weighted average cash interest rate of 4.8%.

Gain (Loss) on Extinguishment of Debt.  During 2019, we recognized a gain on extinguishment of debt of $8 million.  In September 2019,the 2020 Predecessor Period, we paid $299$53 million to purchase $300repurchase $73 million aggregate principal amount of the 2020 Convertible Senior Notes in a cash tender offerour convertible senior notes and recognized a $4$23 million gain on extinguishment of debt.  Additionally, in September and October 2019, we paid $96 million to repurchase $100 million aggregate principal amount of the 2021 Senior Notes and recognized a $4 million gain on extinguishment of debt.  During 2018, we redeemed all of the remaining $961 million aggregate principal amount of 2019 Senior Notes and recognized a $31 million loss on extinguishment of debt.  Refer to the “Long-Term Debt” footnote in the notes to consolidated financial statements for more information on this repurchase.  Additionally, in March 2020, the holders of $3 million aggregate principal amount of our convertible senior notes elected to convert.  Upon conversion, such holders of the converted convertible senior notes were entitled to receive an insignificant cash payment on April 1, 2020, which we did not pay in conjunction with the filing of the Chapter 11 Cases.  As a result of such conversion we recognized a $3 million gain on extinguishment of debt during the 2020 Predecessor Period.  

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Reorganization Items, Net. During the 2020 Predecessor Period, we recognized a net gain of $217 million related to the Chapter 11 Cases consisting of (i) gains on settlement of certain liabilities, including our senior notes, upon consummation of the Plan, (ii) fresh start accounting fair value adjustments, (iii) legal and professional advisory fees recognized between the Petition Date and the Emergence Date and (iv) the write-off of debt issuance costs and premiums associated with our senior notes.  Refer to the “Chapter 11 Emergence” and “Fresh Start Accounting” footnotes in the notes to the consolidated financial statements for more information on these debt transactions.amounts recorded to reorganization items, net.

Income Tax Expense (Benefit).  Income tax expense for 2019 totaled $72 million as compared to $1 million for 2018.  As a result of our positive pre-tax income in 2018, we transitioned from a net deferred tax asset position to a net deferred tax liability position as of December 31, 2018.  Accordingly, we released the valuation allowance related to our general net deferred tax assets that was established in 2017 and recognized $1 million in deferred tax expense related to U.S. income tax forDuring the year ended December 31, 2018.  As2021 we recognized $1 million of U.S. current income tax expense resulting in an overall effective tax rate of 0.2%, which is lower than the statutory income tax rate as a result of pre-tax losses in 2019, we transitioned from a net deferred tax liability position to a net deferred tax asset position for U.S. income taxes which resulted in the recognition of a full valuation allowance on our U.S. deferred tax assets again(“DTAs”) as of December 31, 2021.  

During the 2020 Combined YTD Period, we recorded a tax benefit of $68 million reflecting a reduction in the overall expected Canadian tax liability as a result of a legal entity restructuring we initiated during the second quarterperiod.  Of this reduction, $55 million resulted from the implementation of 2019fresh start accounting and recognitionwas recorded during the 2020 Predecessor Period and $12 million resulted from the completion of a $1the restructuring and was recorded during the 2020 Successor Period.  The remaining $6 million deferred U.S.Canadian tax benefit.  Additionally, duringliability was paid in the fourth quarter of 2019, we recognized $74 million of Canadian deferred tax expense associated with the outside basis difference in Whiting Canadian Holding Company ULC pursuant to ASC 740-30-25-17.2020.  Refer to the “Income Taxes” footnote in the notes to the consolidated financial statements for more information on thisthe legal restructuring and related Canadian deferred tax liability.

We also recognized a $1 million U.S. income tax benefit during the 2020 Combined YTD Period related to an alternative minimum tax refund received.  As a result of the full valuation allowance on our U.S. DTAs as of December 31, 2020 (Successor) and August 31, 2020 (Predecessor), no additional U.S. tax benefit or expense was recognized.  

Our overall effective tax ratesrate of 1.7% for 2019 and 2018 differ fromthe 2020 Combined YTD Period was lower than the U.S. statutory income tax rate primarily due to the effects of state income taxes, permanent taxable differences and changes in the valuation allowance.  Our overall effective tax rate decreased from 0.4% for 2018 to (42.7)% for 2019 primarily due to the recognitionas a result of the outside basis difference in Whitingfull valuation allowance on our U.S. DTAs and the reduction of our overall expected Canadian Holding Company ULC.tax liability discussed above.

Year Ended December 31, 20182020 Compared to Year Ended December 31, 20172019

For discussion on the year ended December 31, 20182020 (which includes the 2020 Successor Period and the 2020 YTD Predecessor Period) compared to the year ended December 31, 2017,2019 (Predecessor), refer to Part II, Item 7 “Management’s Discussion and Analysis of Financial Condition and Results of Operations” of our 20182020 Annual Report on Form 10-K filed with the SEC on February 28, 201924, 2021 under the subheading “Year Ended December 31, 2018“Successor Period and Current YTD Predecessor Period or Combined Current YTD Period Compared to Year Ended December 31, 2017.Prior Predecessor YTD Period.

Liquidity and Capital Resources

Overview.  At December 31, 2019,2021, we had $9$41 million of unrestricted cash on hand, no long-term debt and $4.0$1.7 billion of shareholders’ equity, while at December 31, 2018,2020, we had $14$26 million of unrestricted cash on hand, $360 million of long-term debt and $4.3$1.2 billion of equity.

One of the primary sources of variability in  We expect that our liquidity going forward will be primarily derived from cash flows from operating activities, is commodity price volatility, which we partially mitigate throughcash on hand and availability under the useCredit Agreement and that these sources of commodity hedge contracts.  Oil accounted for 65% and 67% ofliquidity will be sufficient to provide us the ability to fund our total production in 2019 and 2018,

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respectively.  As a result,material cash requirements, as described below, as well as our operating cash flows are more sensitiveand development activities and planned capital programs.  We may need to fluctuations in oil prices than they are to fluctuations in NGLfund acquisitions or natural gas prices.  Asother business opportunities that support our strategy through additional borrowings or the issuance of February 20, 2020, we had contracts covering the salecommon stock or other forms of 31 MMBbl of oil per day for the remainder of 2020 and 6 MMBbl of oil per day for all of 2021.  For further information on our outstanding derivatives refer to the “Derivative Financial Instruments” footnote in the notes to the consolidated financial statements.equity.

Cash Flows from 2019 Compared to 2018.  Flows.During 2019,2021, we generated $756$740 million of cash provided byfrom operating activities, a decreasean increase of $336$545 million from 2018.the 2020 Combined YTD Period.  Cash provided by operating activities decreasedincreased between periods primarily due to lowerhigher realized sales prices, for oil, NGLs and natural gas, lower crude oil production volumes, as well as higher lease operating expenses,lower cash reorganization, G&A, interest and exploration costs and cash G&A expenses.  These negativepositive factors were partially offset by higher NGL and natural gas production volumes, a decreasean increase in cash settlements paid on our commodity derivative contracts and lowerhigher production taxes and ad valorem taxes, cash interest expense and TGC for 2019 compared to 2018.lease operating expenses between periods.  Refer to “Results of Operations” for more information on the impact of volumes and prices on revenues and for more information on increases and decreases in certain expenses during 2019.

between periods.  During 2019,2021, cash flows from operating activities $375and $180 million of net borrowings under our credit agreement, proceeds from the sale of properties and cash on hand were used for the net repayment of $360 million of outstanding borrowings under the Credit Agreement, to finance $793fund Williston Basin acquisitions totaling $306 million and for $234 million of drilling and development expenditures, the repurchase of $300 million aggregate principal amount of 2020 Convertible Senior Notes and $100 million aggregate principal amount of 2021 Senior Notes, and $6 million of other property and equipment purchases.expenditures.

Cash Flows from 2018 Compared to 2017.For discussion on cash flows for the year ended December 31, 20182020 Combined YTD Period compared to the year ended December 31, 2017,2019 (Predecessor), refer to Part II, Item 7 “Management’s Discussion and Analysis of Financial Condition and Results of Operations” of our 20182020 Annual Report on Form 10-K filed with the SEC on February 28, 201924, 2021 under the subheading “Cash FlowsFlows.”

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One of the primary sources of variability in our cash flows from 2018 Comparedoperating activities is commodity price volatility, which we partially mitigate through the use of commodity derivative contracts.  Oil accounted for 58% and 61% of our total production in 2021 and 2020, respectively.  Natural gas accounted for 21% and 20% of our total production in 2021 and 2020, respectively. NGLs accounted for 21% and 19% of our total production in 2021 and 2020, respectively.  As of February 17, 2022, we had crude oil derivative contracts (consisting of collars and swaps) covering the sale of 39,000 Bbl and 16,000 Bbl of oil per day for the remainder of 2022 and the first three quarters of 2023, respectively.  As of February 17, 2022, we had natural gas derivative contracts (consisting of collars, swaps and basis swaps) covering the sale of 95,000 MMBtu and 61,000 MMBtu of natural gas per day through the remainder of 2022 and the first three quarters of 2023, respectively.  As of February 17, 2022, we had NGL derivative contracts (consisting of swaps) covering the sale of 223,000 gallons of NGLs per day for the remainder of 2022.  For more information on our outstanding derivatives refer to 2017.”the “Derivative Financial Instruments” footnote in the notes to the consolidated financial statements.

Material Cash Requirements.  Our material short-term cash requirements include dividend payments, payments under our short-term lease agreements, recurring payroll and benefits obligations for our employees, capital and operating expenditures and other working capital needs.  Working capital, defined as total current assets less total current liabilities, fluctuates depending on commodity pricing and effective management of payables to our vendors and receivables from our purchasers and working interest partners.  As commodity prices improve, our working capital requirements may increase as we spend additional capital, increase production and pay larger settlements on our outstanding commodity derivative contracts.  Additionally, as discussed in “Recent Developments” above, on February 1, 2022 we entered into a purchase and sale agreement that results in a material short-term cash commitment of $240 million, subject to normal closing adjustments.

Our long-term material cash requirements from currently known obligations include repayment of anticipated outstanding borrowings and interest payment obligations under our Credit Agreement, settlements on our outstanding commodity derivative contracts, future obligations to plug, abandon and remediate our oil and gas properties at the end of their productive lives, operating and finance lease obligations and contracts to transport a minimum volume of crude oil and natural gas within specified time frames.  The following table summarizes our estimated material cash requirements for known obligations as of December 31, 2021.  This table does not include repayments of outstanding borrowings on our Credit Agreement, or the associated interest payments, as the timing and amount of borrowings and repayments cannot be forecasted with certainty and are based on working capital requirements, commodity prices and acquisition and divestiture activity, among other factors.  As of December 31, 2021, we had no outstanding borrowings under our Credit Agreement. Refer to “Credit Agreement” below as well as the “Long-Term Debt” footnote in the notes to the consolidated financial statements for more information.  This table also does not include amounts payable under obligations where we cannot forecast with certainty the amount and timing of such payments, including any amounts we may be obligated to pay under our derivative contracts, as such payments are dependent on commodity prices in effect at the time of settlement.  Refer to the “Derivative Financial Instruments” footnote in the notes to the consolidated financial statements for further information on these contracts and their fair values as of December 31, 2021, which fair values represent the cash settlement amount required to terminate such instruments based on forward price curves for commodities as of that date.  Refer to the “Commitments and Contingencies” footnote in the notes to the consolidated financial statements in Item 8 of this Annual Report on Form 10-K for more information on other obligations that we may have where the timing and amount of any payments is uncertain.

Payments due by period

(in thousands)

Less than 1

More than

Material Cash Requirements

    

Total

    

year

    

1-3 years

    

3-5 years

    

5 years

Asset retirement obligations (1)

$

104,067

$

10,152

$

23,326

$

22,923

$

47,666

Operating leases (2)

20,977

3,572

6,205

3,844

7,356

Finance leases (2)

2,118

1,378

713

27

-

Total

$

127,162

$

15,102

$

30,244

$

26,794

$

55,022

(1)Asset retirement obligations represent the present value of estimated amounts expected to be incurred in the future to plug and abandon oil and gas wells, remediate oil and gas properties and dismantle their related plants and facilities.  
(2)We have operating and finance leases for corporate and field offices, midstream facilities, equipment and automobiles.  The obligations reported above represent our minimum financial commitments pursuant to the terms of these contracts.  Refer to the “Leases” footnote in the notes to the consolidated financial statements in Item 8 of this Annual Report on Form 10-K for more information on these leases.

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Exploration and Development Expenditures.  The followingDuring 2021 and the 2020 Combined YTD Period, we incurred accrual basis exploration and development (“E&D”) expenditures of $247 million and $209 million, respectively.  Of these expenditures, 99% and 96%, respectively, were incurred in the Williston Basin of North Dakota and Montana, where we have focused our current development activities.  Capital expenditures reported in the consolidated statements of cash flows are calculated on a cash basis, which differs from the accrual basis used to calculate the incurred capital expenditures as detailed in the table details our E&D expenditures incurred by core area (in thousands):below:

Year Ended December 31,

2019

2018

2017

Northern Rocky Mountains

$

768,651

$

741,378

$

601,737

Central Rocky Mountains

209

82,660

292,826

Other (1)

9,394

7,985

17,866

Total incurred

$

778,254

$

832,023

$

912,429

(1)Other primarily includes non-core oil and gas properties located in Colorado, Mississippi, New Mexico, North Dakota, Texas and Wyoming.

Successor

Predecessor

Non-GAAP

Predecessor

Year Ended December 31, 2021

Four Months Ended December 31, 2020

Eight Months Ended August 31, 2020

Combined Year Ended December 31, 2020

Year Ended December 31, 2019

Capital expenditures, accrual basis

$

247,201

$

23,992

$

185,363

$

209,355

$

778,254

Decrease (increase) in accrued capital expenditures and other noncash capital activity

(12,764)

9,995

53,093

63,088

15,111

Capital expenditures, cash basis

$

234,437

$

33,987

$

238,456

$

272,443

$

793,365

We continually evaluate our capital needs and compare them to our capital resources.  Our 20202022 E&D budget is a range of $585$360 million to $620$400 million, which we expect to fund substantially with net cash provided by operating activities and cash on hand, and represents a decrease from the $778 million incurred on E&D expenditures during 2019.  We believe that should additional attractive acquisition opportunities arise, we will attempt to finance additional capital expenditures through agreements with industry partners, divestitures of certain oil and gas property interests, borrowings under our credit agreement or by accessing the capital markets.hand.  Our level of E&D expenditures is largely discretionary, although a portion of our E&D expenditures are for non-operated properties where we have limited control over the timing and amount of such expenditures, and the amount of funds we devote to any particular activity may increase or decrease significantly depending on commodity prices, cash flows, available opportunities and development results, among other factors.  We believe that we have sufficient liquidity and capital resources to execute our businessdevelopment plan over the next twelve months and for the foreseeable future.12 months.  With our expected cash flow streams, commodity price hedging strategies, current liquidity levels (including(primarily consisting of availability under our credit agreement), access to debt and equity marketsthe Credit Agreement) and flexibility to modify future capital expenditure programs, we expect to be able to fund all planned capital programs, and debt repayments, comply with our debt covenants and meet other obligations that may arise from our oil and gas operations.

Dividends.  In February 2022, we announced that we would begin paying a quarterly dividend of $0.25 per share with the first dividend to be paid on March 15, 2022.  While we believe that our future cash flows from operations can sustain this dividend, future dividends may change based on a variety of factors, including contractual restrictions, legal limitations, business developments and the judgment of our Board.  There can be no guarantee that we will pay dividends or otherwise return capital to our shareholders in the future.

Credit AgreementAgreement.  .Whiting Petroleum Corporation, as parent guarantor, and Whiting Oil and Gas, our wholly owned subsidiary, hasas borrower, are parties to the Credit Agreement, a reserves-based credit agreementfacility with a syndicate of banks that as of December 31, 2019banks.  The Credit Agreement had a borrowing base and aggregate commitments of $2.05 billion and $1.75 billion, respectively.$750 million as of December 31, 2021.  As of December 31, 2019,2021, we had $1.4 billionno borrowings outstanding under the Credit Agreement with $749 million of available borrowing capacity, under the credit agreement, which was net of $375 million of borrowings outstanding and $2$1 million in letters of credit outstanding.

The borrowing base under the credit agreementCredit Agreement is determined at the discretion of ourthe lenders, based on the collateral value of our proved reserves that have been mortgaged to suchthe lenders, and is subject to regular redeterminations on MayApril 1 and NovemberOctober 1 of each year,

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as well as special redeterminations described in the credit agreement,Credit Agreement, which in each case which may reduceincrease or decrease the amountborrowing base.  Additionally, we can increase the aggregate commitments by up to an additional $750 million, subject to certain conditions.  

Up to $50 million of the borrowing base.  Upon a redetermination of our borrowing base either on a periodic or special redetermination date, if total outstanding credit exposure exceeds the redetermined borrowing base, we will be required to prepay outstanding borrowings in an aggregate principal amount equal to such excess in six substantially equal monthly installments.  In October 2019, the borrowing base under our credit agreement was reduced from $2.25 billion to $2.05 billion in connection with the November 1, 2019 regular borrowing base redetermination, with no change to the aggregate commitments of $1.75 billion.

A portion of the revolving credit facility in an aggregate amount not to exceed $50 million may be used to issue letters of credit for the account of Whiting Oil and Gas or our other designated subsidiaries of ours.subsidiaries.  As of December 31, 2019, $482021, $49 million was available for additional letters of credit under the agreement.Credit Agreement.

The credit agreementCredit Agreement provides for interest only payments until maturity on April 1, 2024, when the credit agreement expiresterminates and all outstanding borrowings are due.  In addition, the Credit Agreement provides for certain mandatory prepayments, including a provision pursuant to which, if our cash balances are in excess of approximately $75 million during any given week, such excess must be utilized to repay borrowings under the Credit Agreement.  Interest under the credit agreementCredit Agreement accrues at our option at either (i) a base rate for a base rate loan plus a margin between 0.50%1.75% and 1.50%2.75% based on the ratio of outstanding borrowings and letters of credit to the lower of the current borrowing base or total commitments, where the base rate is defined as the greatest of the prime rate, the federal funds rate plus 0.5% per annum, or an adjusted LIBOR rate plus 1.0% per annum, or (ii) an adjusted LIBOR rate for a Eurodollareurodollar loan plus a margin of 1.50%between 2.75% and 2.50%3.75% based on the ratio of outstanding borrowings and letters of credit to the lower of the current borrowing base.base or total commitments.  Additionally, we also incur commitment fees of 0.375% or 0.50% based on the ratio of outstanding borrowings to the borrowing base0.5% on the unused portion of the aggregate commitments of the lenders under the credit agreement.Credit Agreement, which are included as a component of interest expense.  

The credit agreement matures on April 12, 2023, provided that if at any time and for so long as any senior notes (other than the 2020 Convertible Senior Notes) have a maturity date prior to 91 days after April 12, 2023, the maturity date shall be the date that is 91 days prior to the maturity of such senior notes.  On September 13, 2019, we amended the credit agreement to, among other things, permit the repurchase, redemption, prepayment or other acquisition or retirement for value of any senior notes (as defined in the credit agreement) if (i) such transaction is for a price not greater than an amount equal to par plus accrued and unpaid interest and fees and any applicable make-whole premium, (ii) immediately after giving effect to such transaction, there is unused availability under the facility of not less than the greater of $100 million or 15% of the then effective total commitments, and (iii) our ratio of consolidated total debt as of the date of such transaction (upon giving effect thereto) to EBITDAX (as defined in the credit agreement) during the last four quarters is not greater than 3.25 to 1.0.  Our business plan includes the intent to refinance certain senior notes, including our convertible senior notes due in 2020 and our senior notes due in 2021, as permitted by the September 13, 2019 amendment to the credit agreement.  Consequently, we have classified the credit agreement as long-term debt.

The credit agreementCredit Agreement contains restrictive covenants that may limit our ability to, among other things, incur additional indebtedness, sell assets, make loans to others, make investments, enter into mergers, enter into hedging contracts, incur liens and engage in certain other transactions without the prior consent of our lenders.  Except for limited exceptions, the credit agreementThe Credit Agreement also restricts our ability to make any dividend payments or cash distributions on our common stock.stock except to the extent that we have distributable free cash flow and (i) have at least 20% of available borrowing capacity, (ii) have a consolidated net leverage ratio of less than or equal to 2.0 to 1.0, (iii) do not have a

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borrowing base deficiency and (iv) are not in default under the Credit Agreement.  These restrictions apply to all of our restricted subsidiaries (as definedand are calculated in accordance with definitions contained in the credit agreement).  As of December 31, 2019, there were no retained earnings free from restrictions.

Credit Agreement.  The credit agreementCredit Agreement requires us, as of the last day of any quarter, to maintain commodity hedges covering a minimum of 50% of our projected production for the succeeding twelve months, as reflected in the reserves report most recently provided by us to the lenders under the Credit Agreement.  If our consolidated net leverage ratio equals or exceeds 1.0 to 1.0 as of the last day of any fiscal quarter, we will also be required to hedge 35% of our projected production for the next succeeding twelve months.  We are also limited to hedging a maximum of 85% of our production from proved reserves.  The Credit Agreement requires us to maintain the following ratios (as defined in the credit agreement):ratios: (i) a consolidated current assets to consolidated current liabilities ratio (which includes an add back of the available borrowing capacity under the credit agreement) of not less than 1.0 to 1.0 and (ii) a total debt to the last four quarters’ EBITDAX ratio of not greater than 4.03.5 to 1.0.  As of December 31, 2019, we were in compliance with the covenants under the credit agreement.  While not required to maintain compliance with covenants, our business plan may include property divestitures and utilizing our credit facility or accessing capital markets to repay outstanding debt.

For further information on the loan security related to our credit agreement,the Credit Agreement, refer to the “Long-Term Debt” footnote in the notes to the consolidated financial statements.

Under Whiting Oil and Gas’ credit agreement, a cross default provision provides that a default under certain other debt of the Company or certain of its subsidiaries in an aggregate principal amount exceeding $100 million may constitute an event of default under such credit agreement.  Additionally, under the indentures governing our senior notes and senior convertible notes, a cross-default provision provides that a default under certain other debt of the Company or certain of its subsidiaries in an aggregate principal amount exceeding $100 million (or $50 million in the case of the 2021 Senior Notes) may constitute an event of default under such indenture.

Senior Notes.In December 2017, we issued at par $1.0 billion of 6.625% Senior Notes due January 15, 2026 (the “2026 Senior Notes”).  In March 2015, we issued at par $750 million of 6.25% Senior Notes due April 1, 2023 (the “2023 Senior Notes”).  In September 2013,

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we issued at par $1.1 billion of 5.0% Senior Notes due March 15, 2019 (the “2019 Senior Notes”) and $800 million of 5.75% Senior Notes due March 15, 2021, and issued at 101% of par an additional $400 million of 5.75% Senior Notes due March 15, 2021 (collectively the “2021 Senior Notes” and together with the 2023 Senior Notes and the 2026 Senior Notes, the “Senior Notes”).  

During 2016, we exchanged (i) $139 million aggregate principal amount of our 2019 Senior Notes, (ii) $326 million aggregate principal amount of our 2021 Senior Notes, and (iii) $342 million aggregate principal amount of our 2023 Senior Notes, for the same aggregate principal amount of convertible notes.  Subsequently during 2016, all $807 million aggregate principal amount of these convertible notes was converted into approximately 19.8 million shares of our common stock pursuant to the terms of the notes.

Redemption of 2019 Senior Notes.  In January 2018, we paid $1.0 billion to redeem all of the then outstanding $961 million aggregate principal amount of our 2019 Senior Notes, which payment consisted of the 102.976% redemption price plus all accrued and unpaid interest on the notes.  We financed the redemption with proceeds from the issuance of our 2026 Senior Notes and borrowings under our credit agreement.  

Repurchases of 2021 Senior Notes. In September 2019, we paid $24 million to repurchase $25 million aggregate principal amount of the 2021 Senior Notes, which payment consisted of the average 94.708% purchase price plus all accrued and unpaid interest on the notes.  We financed the repurchases with cash and borrowings under our credit agreement.

In October 2019, we paid an additional $72 million to repurchase $75 million aggregate principal amount of the 2021 Senior Notes, which payment consisted of the average 95.467% purchase price plus all accrued and unpaid interest on the notes.  We financed the repurchases with borrowings under our credit agreement.  As of December 31, 2019, $774 million of 2021 Senior Notes remained outstanding.

2020 Convertible Senior Notes.  In March 2015, we issued at par $1,250 million of 1.25% Convertible Senior Notes due April 1, 2020 (the “2020 Convertible Senior Notes”).  During 2016, we exchanged $688 million aggregate principal amount of our 2020 Convertible Senior Notes for the same aggregate principal amount of new mandatory convertible senior notes.  Subsequently during 2016, all $688 million aggregate principal amount of these mandatory convertible senior notes was converted into approximately 17.8 million shares of our common stock pursuant to the terms of the notes.

In September 2019, we paid $299 million to complete a cash tender offer for $300 million aggregate principal amount of the 2020 Convertible Senior Notes, which payment consisted of the 99.0% purchase price plus all accrued and unpaid interest on the notes and associated transaction costs.  We financed the tender offer with cash and borrowings under our credit agreement.

The remaining $262 million aggregate principal amount of 2020 Convertible Senior Notes outstanding as of December 31, 2019 are convertible exclusively at the holder’s option.  Prior to January 1, 2020, the 2020 Convertible Senior Notes were convertible only upon the achievement of certain contingent market conditions.  As of December 31, 2019, none of the contingent market conditions allowing holders of the 2020 Convertible Senior Notes to convert these notes had been met.  On or after January 1, 2020, the 2020 Convertible Senior Notes are convertible at any time until the second scheduled trading day immediately preceding the April 1, 2020 maturity date of the notes.  The notes are convertible at a current conversion rate of 6.4102 shares of Whiting’s common stock per $1,000 principal amount of the notes, which is equivalent to a current conversion price of approximately $156.00.  The conversion rate is subject to adjustment in some events.  In addition, following certain corporate events that occur prior to the maturity date, we will increase, in certain circumstances, the conversion rate for a holder who elects to convert its 2020 Convertible Senior Notes in connection with such corporate event.  We have the option to settle conversions of these notes with cash, shares of common stock or a combination of cash and common stock at our election.  Our intent is to settle the principal amount of the 2020 Convertible Senior Notes in cash upon conversion.  At maturity, we must settle all outstanding 2020 Convertible Senior Notes in cash.  Our business plan includes the intent to settle the outstanding 2020 Convertible Senior Notes using borrowings under the credit agreement.

Note Covenants.  The indentures governing the Senior Notes restrict us from incurring additional indebtedness, subject to certain exceptions, unless our fixed charge coverage ratio (as defined in the indentures) is at least 2.0 to 1.  If we were in violation of this covenant, then we may not be able to incur additional indebtedness, including under Whiting Oil and Gas’ credit agreement.  Additionally, these indentures contain restrictive covenants that may limit our ability to, among other things, pay cash dividends, make certain other restricted payments, redeem or repurchase our capital stock, make investments or issue preferred stock, sell assets, consolidate, merge or transfer all or substantially all of the assets of ours and our restricted subsidiaries taken as a whole, and enter into hedging contracts.  These covenants may potentially limit the discretion of our management in certain respects.  We were in compliance

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with these covenants as of December 31, 2019.  However, a substantial or extended decline in oil, NGL or natural gas prices may adversely affect our ability to comply with these covenants in the future.

Shelf Registration Statement.  We have on file with the SEC a universal shelf-registration statement to allow us to offer an indeterminate amount of securities in the future.  Under the registration statement, we may periodically offer from time to time debt securities, common stock, preferred stock, warrants and other securities or any combination of such securities in amounts, prices and on terms announced when and if the securities are offered.  The specifics of any future offerings, along with the use of proceeds of any securities offered, will be described in detail in a prospectus supplement at the time of any such offering.

Contractual Obligations and Commitments

Schedule of Contractual Obligations.The following table summarizes our obligations and commitments as of December 31, 2019 to make future payments under certain contracts, aggregated by category of contractual obligation, for the time periods specified below.  This table does not include amounts payable under contracts where we cannot predict with accuracy the amount and timing of such payments, including any amounts we may be obligated to pay under our derivative contracts, as such payments are dependent upon the price of crude oil in effect at the time of settlement, and any penalties that may be incurred for underdelivery under our physical delivery contracts.  For further information on these contracts refer to the “Derivative Financial Instruments” footnote in the notes to the consolidated financial statements and “Delivery Commitments” in Item 2 of this Annual Report on Form 10-K.

Payments due by period

(in thousands)

Less than 1

More than 5

Contractual Obligations

    

Total

    

year

    

1-3 years

    

3-5 years

    

years

Long-term debt (1)

$

2,818,980

$

262,075

$

773,609

$

783,296

$

1,000,000

Cash interest expense on debt (2)

602,685

156,997

232,427

144,434

68,827

Asset retirement obligations (3)

134,893

3,685

34,696

17,464

79,048

Water disposal agreement (4)

82,763

20,318

37,328

25,117

-

Operating leases (5)

46,677

8,886

11,913

8,927

16,951

Pipeline transportation agreements (6)

18,044

6,327

8,981

2,736

-

Finance leases (5)

26,773

6,642

10,501

7,095

2,535

Purchase obligations (7)

7,656

7,656

-

-

-

Total

$

3,738,471

$

472,586

$

1,109,455

$

989,069

$

1,167,361

(1)Long-term debt consists of the outstanding principal amounts of the Senior Notes and the 2020 Convertible Senior Notes, as well as the outstanding borrowings under our credit agreement.  The credit agreement matures on April 12, 2023, provided that if at any time and for so long as any senior notes (other than the 2020 Convertible Senior Notes) have a maturity date prior to 91 days after April 12, 2023, the maturity date shall be the date that is 91 days prior to the maturity of such senior notes.  As of December 31, 2019, we had $774 million aggregate principal amount of senior notes due March 15, 2021 and $408 million aggregate principal amount of senior notes due April 1, 2023.  Our business plan includes the intent to refinance certain senior notes, including our convertible senior notes due in 2020 and our senior notes due in 2021, as permitted by the September 13, 2019 amendment to the credit agreement.  Consequently, we have classified the credit agreement as long-term debt.
(2)Cash interest expense on the Senior Notes is estimated assuming no further principal repayment until the due dates of the instruments.  Cash interest expense on the 2020 Convertible Senior Notes is estimated assuming no further principal repayments or conversions prior to maturity.  Cash interest expense on the credit agreement is estimated assuming no principal borrowings or repayments through the April 2023 instrument due date and a fixed interest rate of 3.9%.  Commitment fees on the credit agreement are estimated assuming no principal borrowings or repayments or changes to commitments through the April 2023 instrument due date.
(3)Asset retirement obligations represent the present value of estimated amounts expected to be incurred in the future to plug and abandon oil and gas wells, remediate oil and gas properties and dismantle their related plants, facilities and offshore platforms.
(4)We have a water disposal agreement which expires in 2024 under which we have contracted for the transportation and disposal of the produced water from our Redtail field.  Under the terms of the agreement, we are obligated to provide a minimum volume of produced water or else pay for any deficiencies at the price stipulated in the contract.  As a result of our reduced development

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operations at our Redtail field, we have made and expect to continue to make deficiency payments under this contract.  Refer to the “Commitments and Contingencies” footnote in the notes to the consolidated financial statements for more information on this contract and the related deficiency payments.
(5)We have operating and finance leases for corporate and field offices, pipeline and midstream facilities and automobiles. The obligations reported above represent our minimum financial commitments pursuant to the terms of these contracts, however, our actual expenditures under these contracts may exceed the minimum commitments presented above.  Refer to the “Leases” footnote in the notes to the consolidated financial statements for more information on these leases.  
(6)Our pipeline transportation agreements consist of contracts through 2024 with various third parties to facilitate the delivery of our produced oil, gas and NGLs to market.  These contracts require either fixed monthly reservation fees or commitments to deliver minimum volumes at fixed rates in exchange for dedicated pipeline capacity.  If minimum volume commitments are not met, we are required to pay any deficiencies at the prices stipulated in the contracts.  The obligations reported above represent our minimum financial commitments pursuant to the terms of these contracts, however, our actual expenditures under these contracts may exceed the minimum commitments presented above.
(7)We have one take-or-pay purchase agreement which expires in 2020, whereby we have committed to buy certain volumes of water for use in the fracture stimulation process on wells we complete in our Redtail field.  Under the terms of the agreement, we are obligated to purchase a minimum volume of water or else pay for any deficiencies at the prices stipulated in the contract.  As a result of our reduced development operations in this field, we have made and expect to continue to make deficiency payments under this contract.  Refer to the “Commitments and Contingencies” footnote in the notes to the consolidated financial statements for more information on this contract and the related deficiency payments.

Based on current oil and natural gas prices and anticipated levels of production, we believe that the estimated net cash generated from operations, together with cash on hand and amounts available under our credit agreement, will be adequate to meet future liquidity needs, including satisfying our financial obligations and funding our operating, development and exploration activities.

New Accounting Pronouncements

For further information on the effects of recently adopted accounting pronouncements and the potential effects of new accounting pronouncements, refer to the “Summary of Significant Accounting Policies” footnote in the notes to the consolidated financial statements.

Critical Accounting Policies and Estimates

Our discussion of financial condition and results of operations is based upon the information reported in our consolidated financial statements.  The preparation of these statements in accordance with GAAP and SEC rules and regulations requires us to make certain assumptions and estimates that affect the reported amounts of assets, liabilities, revenues and expenses as well as the disclosure of contingent assets and liabilities at the date of our financial statements.  We base our assumptions and estimates on historical experience and other sources that we believe to be reasonable at the time.  Actual results may vary from our estimates due to changes in circumstances, weather, political environment, global economics, mechanical problems, general business conditions and other factors.  A summary of our significant accounting policies is detailed in the “Summary of Significant Policies” footnote in the notes to the consolidated financial statements.  We have outlined below certain of these policies as being of particular importance to the portrayal of our financial position and results of operations and which require the application of significant judgment by our management.

Successful Efforts Accounting.  We account for our oil and gas operations using the successful efforts method of accounting.  Under this method, the fair value of property acquired and all costs associated with successful exploratory wells and all development wells are capitalized.  Items charged to expense generally include geological and geophysical costs, costs of unsuccessful exploratory wells and oil and gas production costs.  All of our properties are located within the continental United States.

Oil and Natural Gas Reserve Quantities.  Reserve quantities and the related estimates of future net cash flows affect our periodic calculations of depletion, impairment of our oil and natural gas properties and our asset retirement obligations.  Discounted future net cash flows derived from our reserve estimates were also utilized in establishing the fair value of our oil and natural gas properties upon the adoption of fresh start accounting on the Emergence Date.  Proved oil and gas reserves are those quantities of oil and gas which, by analysis of geoscience and engineering data, can be estimated with reasonable certainty to be economically producible—from a given date forward, from known reservoirs and under existing economic conditions, operating methods, and government regulations—prior to the time at which contracts providing the right to operate expire, unless

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evidence indicates that renewal is reasonably certain, regardless of whether deterministic or probabilistic methods are used for the estimation.  Reserve quantities and future cash flows included in this report are prepared in accordance with guidelines established by the SEC and the FASB.  The accuracy of our reserve estimates is a function of (i) the quality and quantity of available data, (ii) the interpretation of that data, (iii) the accuracy of various mandated economic assumptions, and (iv) the judgments of the persons preparing the estimates.

Our total proved reserves increased 66 MMBOE, or 25%, from December 31, 2020 to December 31, 2021.  Refer to “Reserves” in Item 2 and “Supplemental Disclosures about Oil and Gas Producing Activities” in Item 8 of this Annual Report on Form 10-K for information on the change in reserves between periods.  External petroleum engineers independently estimated all of the proved reserve quantities included in this Annual Report on Form 10-K.  In connection with our external petroleum engineers performing their independent reserve estimations, we furnish them with the following information that they review:use in their evaluation: (1) technical support data, (2) technical analysis of geologic and engineering support information, (3) economic and production data, (4) our well ownership interests and (5) expected future development activity.  The independent petroleum engineers, Cawley, GillespieNetherland, Sewell & Associates, Inc., evaluated 100% of our estimated proved reserve quantities and their related pre-tax future net cash flows as of December 31, 2019.2021.  Estimates prepared by others may be higher or lower than our estimates.  Because these estimates depend on many assumptions, all of which may differ substantially from actual results, reserve estimates may be different from the quantities of oil and gas that are ultimately recovered.  For example, if the crude oil and natural gas prices used in our year-end reserve estimates increased or decreased by 10%, our proved reserve quantities at December 31, 20192021 would have increased by 95 MMBOE (2%) or decreased by 337 MMBOE (7%(2%), respectively, and the pre-tax PV10% of our proved reserves would have increased by $0.9 billion (23%$755 million (17%) or decreased by $0.8 billion (22%$752 million (17%), respectively.  We continually make revisions to reserve estimates throughout the year as additional information becomes available.  We make changes to depletion rates and impairment calculations (when impairment indicators arise) in the same period that changes to reserve estimates are made.

Depreciation, Depletion and Amortization.  Our rate of recording DD&A is dependent upon our estimates of total proved and proved developed reserves, which estimates incorporate various assumptions and future projections.  If our estimates of total proved or proved developed reserves decline, the rate at which we record DD&A expense increases, which in turn reduces our net income.  Such a decline

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in reserves may result from lower commodity prices or other changes to reserve estimates, as discussed above, and we are unable to predict changes in reserve quantity estimates as such quantities are dependent on the success of our exploration and development program, as well as future economic conditions.  Our DD&A rate declined significantly during both 2021 and the 2020 Successor Period as compared to the 2020 Predecessor Period as a result of our adoption of fresh start accounting on the Emergence Date, which resulted in a reduced book value of our oil and natural gas properties at that date as compared to the 2020 Predecessor Period.

Impairment of Oil and Gas Properties.  We review the value of our oil and gas properties whenever management judges that events and circumstances indicate that the recordednet carrying value of properties may not be recoverable.  Such events and circumstances include, but are not limited to, declines in commodity prices, increases in operating costs, unfavorable reserve revisions, poor well performance, changes in development plans and potential property divestitures.  Impairments of producing properties are determined by comparing their undiscounted future net cash flows to their net book values at the end of each period.  If a property’s net capitalized costs exceed undiscounted future net cash flows, the cost of the property is written down to “fair value,” which is determined using discounted future net cash flows from the producing property.  Different pricing assumptions or discount rates could result in a different calculated impairment.  In addition to proved property impairments, we provide for impairments on significant undeveloped properties when we determine that the property will not be developed or a permanent impairment in value has occurred.  Individually insignificant unproved properties are amortized on a composite basis, based on past success, experience and average lease-term lives.

Asset Retirement Obligation.  Our asset retirement obligations (“ARO”) consist of estimated future costs associated with the plugging and abandonment of oil and gas wells, removal of equipment and facilities from leased acreage and land restoration in accordance with applicable local, state and federal laws and the terms of our lease agreements.  The discounted fair value of an ARO liability is required to be recognized in the period in which it is incurred, with the associated asset retirement cost capitalized as part of the carrying cost of the oil and gas asset.  The recognition of an ARO requires that management make numerous assumptions regarding such factors as the estimated probabilities, amounts and timing of settlements; the credit-adjusted risk-free discount rate; the inflation rate; and future advances in technology.  In periods subsequent to the initial measurement of an ARO, we must recognize period-to-period changes in the liability resulting from the passage of time and revisions to either the timing or the amount of the original estimate of undiscounted cash flows.  Increases in the ARO liability due to the passage of time impact net income as accretion expense.  The related capitalized cost, including revisions thereto, is charged to expense through DD&A over the life of the oil and gas property.

Derivative Instruments.All derivative instruments are recorded in the consolidated financial statements at fair value, other than derivative instruments that meet the “normal purchase normal sale” exclusion or other derivative scope exceptions.  We do not currently apply hedge accounting to any of our outstanding derivative instruments, and as a result, all changes in derivative fair values are recognized currently in earnings.

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We determine the recorded amounts of our derivative instruments measured at fair value utilizing third-party valuation specialists.  We review these valuations, including the related model inputs and assumptions, and analyze changes in fair value measurements between periods.  We corroborate such inputs, calculations and fair value changes using various methodologies, and review unobservable inputs for reasonableness utilizing relevant information from other published sources.  When available, we utilize counterparty valuations to assess the reasonableness of our valuations.  The values we report in our financial statements change as the assumptions used in these valuations are revised to reflect changes in market conditions (particularly those for oil and natural gas futures) or other factors, many of which are beyond our control.

We periodically enter into commodity derivative contracts to manage our exposure to oil and natural gas price volatility.  We primarily utilize costless collars and swaps which are generally placed with major financial institutions, as well as crude oil sales and delivery contracts.  We use hedging to help ensure that we have adequate funding for our capital programs and to manage returns on our drilling programs and acquisitions.  Our decision on the quantity and price at which we choose to hedge our production is based in part on our view of current and future market conditions.  While the use of these hedging arrangements limits the downside risk of adverse price movements, it may also limit future revenues from favorable price movements.  The use of hedging transactions also involves the risk that the counterparties will be unable to meet the financial terms of such transactions.  We evaluate the ability of our counterparties to perform at the inception of a hedging relationship and on a periodic basis as appropriate.

We value our collars and swaps using industry-standard models that consider various assumptions, including quoted forward prices for commodities, time value, volatility factors and contractual prices for the underlying instruments, as well as other relevant economic measures.  We value our long-term crude oil sales and delivery contracts based on a probability-weighted income approach which considers various assumptions, including quoted spot prices for commodities, market differentials for crude oil and U.S. Treasury rates.  The discount rates used in the fair values of these instruments include a measure of nonperformance risk by the counterparty or us, as appropriate.

In addition, we evaluate the terms of our convertible debt and other contracts, if any, to determine whether they contain embedded components that are required to be bifurcated and accounted for separately as derivative financial instruments.remaining lease-term.

Income Taxes and Uncertain Tax Positions.  We provide for income taxes in accordance with FASB ASC Topic 740 – Income Taxes (“ASC 740”).  We record deferred tax assets and liabilities to account for the expected future tax consequences of events that have been recognized in our financial statements and our tax returns.  We routinely assess the realizability of our deferred tax assets.  If we conclude that it is more likely than not that some portion or all of our deferred tax assets will not be realized, the tax asset is reduced by a valuation allowance.  We consider future taxable income in making such assessments.  Numerous judgments and assumptions are inherent in the determination of future taxable income, including factors such as future operating conditions, particularly as they relate to prevailing oil and natural gas prices.

On December 22, 2017, Congress passedInternal Revenue Code (“IRC”) Section 382 addresses company ownership changes and specifically limits the Tax Cutsutilization of certain deductions and Jobs Act (the “TCJA”).  The new legislation significantly changed the U.S. corporateother tax law by, among other things, lowering the U.S. corporate income tax rate from 35% to 21% beginning in January 2018, implementing a territorial tax system and imposing a repatriation taxattributes on deemed repatriated earnings of foreign subsidiaries.  The SEC issued Staff Accounting Bulletin No. 118 (“SAB 118”), which allowed registrants to record provisional amounts during a one-year “measurement period” similar to that used to account for business combinations, however, the measurement period was deemed to have ended earlier once the registrant had obtained, prepared and analyzed the information necessary to finalize its accounting.  During the measurement period, impacts of the law were to be recorded at the time a reasonable estimate for all or a portion of the effects could be made, and provisional amounts recognized and adjusted as information became available, prepared or analyzed.an annual basis following an ownership change.  As a result of the new legislation, we recognizedChapter 11 reorganization and related transactions, the provisional impactsSuccessor experienced an ownership change within the meaning of IRC Section 382 on the Emergence Date.  This ownership change subjected certain of the revaluation of our deferredCompany’s tax assetsattributes to an IRC Section 382 limitation.  The ownership changes and liabilities as of the date of enactment.  We did not recognize any measurement period adjustments to these provisional amounts, and as of December 31, 2018, our accounting for the TCJA was complete.

ASC 740 requires uncertain income tax positions to meet a more-likely-than-not realization threshold to be recognizedresulting annual limitation may result in the financial statements.  Under ASC 740, uncertainexpiration of net operating loss carryforwards or other tax positions that previously failed to meet the more-likely-than-not threshold should be recognizedattributes otherwise available, with a corresponding decrease in the first subsequent financial reporting period in which that threshold is met.  Previously recognized uncertain tax positions that no longer meet the more-likely-than-not threshold should be derecognized in the first subsequent financial reporting period in which that threshold is no longer met.Company’s valuation allowance.

We are subject to taxation in many jurisdictions, and the calculation of our tax liabilities involves dealing with uncertainties in the application of complex tax laws and regulations in various taxing jurisdictions.  If we ultimately determine that the payment of these

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liabilities will be unnecessary, we reverse the liability and recognize a tax benefit during the period in which we determine the liability no longer applies.  Conversely, we record additional tax charges in a period in which we determine that a recorded tax liability is less than we expect the ultimate assessment to be.

Revenue RecognitionReorganization and Fresh Start Accounting.  We predominantly derive our revenue fromEffective April 1, 2020, as a result of the salefiling of produced oil, NGLsthe Chapter 11 Cases we began accounting and natural gas.  Revenue is recognized when we meet our performance obligationreporting according to deliver the product and control is transferred to the customer.  We receive payment for product sales from one to three months after delivery.  At the end of each month when the performance obligation is satisfied, the amount of production delivered and the price we will receive can be reasonably estimated and amounts due from customers are accrued in accounts receivable trade, net in the consolidated balance sheets.  Variances between our estimated revenue and actual payments are recorded in the month the payment is received.  However, differences have been and are insignificant.

Accounting for Business Combinations.We account for business combinations using the acquisition method, which is the only method permitted under FASB ASC Topic 805852Business CombinationsReorganizations (“ASC 852”), which specifies the accounting and involvesfinancial reporting requirements for entities reorganizing through chapter 11 bankruptcy proceedings.  These requirements include distinguishing transactions associated with the use of significant judgment.

Under the acquisition method of accounting, a business combination is accounted for at a purchase price based upon the fair valuereorganization and implementation of the consideration given.  Theplan of reorganization separate from activities related to ongoing operations of the business.  Additionally upon emergence from the Chapter 11 Cases, ASC 852 requires us to allocate our reorganization value to our individual assets and liabilities acquired are measured atbased on their estimated fair values, resulting in a new entity for financial reporting purposes.  After the Emergence Date, the accounting and the purchase price is allocated to the assetsreporting requirements of ASC 852 are no longer applicable and liabilities based upon these fair values.  The excess, if any, of the consideration given to acquire an entity over the net amounts assigned to its assets acquired and liabilities assumed is recognized as goodwill.  The excess, if any, of the fair value of assets acquired and liabilities assumed over the cost of an acquired entity is recognized immediately to earnings as a gain from bargain purchase.

Determining the fair values of the assets and liabilities acquired involves the use of judgment, since some of the assets and liabilities acquired do not have fair values that are readily determinable.  Different techniques may be used to determine fair values, including market prices (where available), appraisals, comparisons to transactions for similar assets and liabilities, and present values of estimated future cash flows, among others.  Since these estimates involve the use of significant judgment, they can change as new information becomes available.

The business combinations completed during the prior three years consisted of oil and gas properties.  In general, the consideration we have paid to acquire these properties or companies was entirely allocated to the fair value of the assets acquired and liabilities assumed at the time of acquisition and consequently, there was no goodwill nor any bargain purchase gains recognized on our business combinations.

Leases.  We have operating and finance leases for corporate and field offices, pipeline and midstream facilities, field and office equipment and automobiles.  Right-of-use (“ROU”) assets and liabilities associated with these leases are recognized at the lease commencement date basedimpact on the present value of the lease payments over the lease term.  ROU assets represent our right to use an underlying asset for the lease term, and lease liabilities represent our obligation to make lease payments.Successor periods.

Operating lease cost is recognized on a straight-line basis over the lease term.  Finance lease cost is recognized based on the effective interest method for the lease liability and straight-line amortization of the ROU asset, resulting in more cost being recognized in earlier lease periods.  All payments for short-term leases, including leases with a term of one month or less, are recognized in income or capitalized to the cost of oil and gas properties on a straight-line basis over the lease term.  Additionally, any variable payments, which are generally related to the corresponding utilization of the asset, are recognized in the period in which the obligation was incurred.  

We adopted FASB ASC Topic 842 – Leases effective January 1, 2019 using the modified retrospective approach.  Refer to the “Summary of Significant Accounting Policies” and “Leases” footnotes in the notes to the consolidated financial statements for more information on this new accounting standard.

Effects of Inflation and Pricing

As commodity prices have begun to recover from previous lows during 2018 and 2019, the cost of oil field goods and services has also risen.  The oil and gas industry is very cyclical, and the demand for goods and services of oil field companies, suppliers and others associated with the industry puts extreme pressure on the economic stability and pricing structure within the industry.  Typically, as prices for oil and natural gas increase, so do all associated costs.  Conversely, in a period of declining prices, associated cost declines are likely to lag and not adjust downward in proportion to prices.  Material changes in prices also impact our current revenue stream, estimates of future reserves, borrowing base calculations of our credit agreement,bank loans, depletion expense, impairment assessments of oil and gas properties and values of properties in purchase and sale transactions.  Material changes in prices can impact the value of oil and gas

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companies and their ability to raise capital, borrow money and retain personnel.  While we do not currently expect business costs to materially increase in the near term, higherHigher demand in the industry could result in increases in the costs of materials, services and personnel.  Although commodity prices declined sharply during the first part of 2020, the costs of oil field goods and services were slower to decline in response.  As commodity prices began to recover during the second half of 2020 and during 2021, the cost of oil field goods and services also rose materially in response to increased competition resulting from increased drilling and completion activity as well as inflationary cost pressures on the U.S. economy.  We expect these inflationary pressures to continue throughout 2022.

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Forward-Looking Statements

This report contains statements that we believe to be “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934.  All statements other than historical facts, including, without limitation, statements regarding our future financial position, business strategy, dividends and other forms of return of capital, acquisitions and divestitures, projected revenues, earnings, returns, costs, capital expenditures, cash flows and debt levels, and plans and objectives of management for future operations, are forward-looking statements.  When used in this report, words such as we “expect”, “intend”, “plan”, “estimate”, “anticipate”,“expect,” “intend,” “plan,” “estimate,” “anticipate,” “believe” or “should” or the negative thereof or variations thereon or similar terminology are generally intended to identify forward-looking statements.  Such forward-looking statements are subject to risks and uncertainties that could cause actual results to differ materially from those expressed in, or implied by, such statements.

These risks and uncertainties include, but are not limited to: declines in, or extended periods of low oil, NGL or natural gas prices; our level of success in exploration, development and production activities; risks related to, our level of indebtedness, our ability to comply with debt covenants, periodic redeterminations of the borrowing base under our credit agreement and our ability to generate sufficient cash flows from operations to service our indebtedness; our ability to generate sufficient cash flows from operations to meet the internally funded portion of our capital expenditures budget; our ability to obtain external capital to finance exploration and development operations;  the impact of negative shifts in investor sentiment towards the oil and gas industry; impacts resulting from the allocation of resources among our strategic opportunities; the geographic concentration of our operations; impacts to financial statements as a result of impairment write-downs and other cash and noncash charges; federal and state initiatives relating to the regulation of hydraulic fracturing and air emissions; revisions to reserve estimates as a result of changes in commodity prices, regulation and other factors; inaccuracies of our reserve estimates or our assumptions underlying them; the timing of our exploration and development expenditures; risks relating to decreases in our credit rating; our inability to access oil and gas markets due to market conditions or operational impediments; market availability of, and risks associated with, transport of oil and gas; our ability to successfully complete asset dispositions and the risks related thereto; our ability to drill producing wells on undeveloped acreage prior to its lease expiration; shortages of or delays in obtaining qualified personnel or equipment, including drilling rigs and completion services; weakened differentials impacting the price we receive for oil and natural gas; risks relating to any unforeseen liabilities of ours; the impacts of hedging on our results of operations; adverse weather conditions that may negatively impact development or production activities; uninsured or underinsured losses resulting from our oil and gas operations; lack of control over non-operated properties; failure of our properties to yield oil or gas in commercially viable quantities; the impact and costs of compliance with laws and regulations governing our oil and gas operations; the potential impact of changes in laws that could have a negative effect on the oil and gas industry; impacts of local regulations, climate change issues, negative public perception of our industry and corporate governance standards; our ability to replace our oil and natural gas reserves; negative impacts from litigation and legal proceedings; unforeseen underperformance of or liabilities associated with acquired properties or other strategic partnerships or investments; competition in the oil and gas industry; any loss of our senior management or technical personnel; cybersecurity attacks or failures of our telecommunication and other information technology infrastructure; and other risks described under the caption “Risk Factors” in Item 1A of this Annual Report on Form 10-K.  with:

declines in, or extended periods of low oil, NGL or natural gas prices;
the occurrence of epidemic or pandemic diseases, including the coronavirus pandemic;
action or inaction of the Organization of Petroleum Exporting Countries and other oil exporting nations to set and maintain production levels;
the impacts of hedging on our results of operations;
regulatory developments, including the potential shutdown of the Dakota Access Pipeline and new or amended federal, state and local initiatives relating to the regulation of hydraulic fracturing, air emissions and other aspects of oil and gas operations that could have a negative effect on the oil and gas industry and/or increase costs of compliance;
the geographic concentration of our operations;
our inability to access oil and gas markets due to market conditions or operational impediments;
adequacy of midstream and downstream transportation capacity and infrastructure;
shortages of or delays in obtaining qualified personnel or equipment, including drilling rigs and completion services;
adverse weather conditions that may negatively impact development or production activities;
potential losses and claims resulting from our oil and gas operations, including uninsured or underinsured losses;
lack of control over non-operated properties;
cybersecurity attacks or failures of our telecommunication and other information technology infrastructure;
revisions to reserve estimates as a result of changes in commodity prices, regulation and other factors;
inaccuracies of our reserve estimates or our assumptions underlying them;
impact of negative shifts in investor sentiment and public perception towards the oil and gas industry and corporate governance standards;
climate change issues;
litigation and other legal proceedings; and
other risks described under the caption “Risk Factors” in Item 1A of this Annual Report on Form 10-K.

We assume no obligation, and disclaim any duty, to update the forward-looking statements in this Annual Report on Form 10-K.

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Item 7A.      Quantitative and Qualitative Disclosures about Market Risk

Commodity Price Risk

The price we receive for our oil, NGL and natural gas production heavily influences our revenue, profitability, access to capital and future rate of growth.  Crude oil, NGL and natural gas are commodities, and therefore, their prices are subject to wide fluctuations in response to relatively minor changes in supply and demand.  Historically, the markets for oil, NGLs and natural gas have been volatile, and these markets will likely continue to be volatile in the future.  

We periodically enter into derivative contracts to achieve a more predictable cash flow by reducing our exposure to oil, NGL and natural gas price volatility.  Our derivative contracts have traditionally been costlesstwo-way collars, swaps, basis swaps and differential swaps although we evaluate and have entered into other forms of derivative instruments as well.  Currently, weWe do not apply hedge accounting, and therefore all changes in commodity derivative fair values are recorded immediately to earnings.

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Crude Oil, Natural Gas and NGL Collars, Swaps and Options.  Basis Swaps.  Our hedging portfolio currently consists of crude oil, natural gas and NGL collars and swaps, and options.as well as natural gas basis swaps.  Refer to the “Derivative Financial Instruments” footnote in the notes to the consolidated financial statements for a description and list of our outstanding derivative contracts at December 31, 2019, as well as derivative contracts established subsequent to that date.2021.

Our collars and optionscollar contracts have the effect of providing a protective floor, while allowing us to share in upward pricing movements.  The fair value of our crude oil collars and options at December 31, 2019 was a net liability of $3 million.  A hypothetical upward or downward shift of 10% per Bbl inmovements up to the NYMEX forward curve for crude oil as of December 31, 2019 would cause an increase of $26 million or a decrease of $19 million, respectively, in this fair value liability.

ceiling price.  Our fixed-price swap contracts entitle us to receive settlement from the counterparty in amounts, if any, by which the settlement price for the applicable calculation period is less than the fixed price, or require us to pay the counterparty if the settlement price for the applicable calculation period is more than the fixed price.  Our basis swap contracts guarantee us a fixed price differential to NYMEX and the referenced index price, with settlement terms based on the difference between the floating market price differential and the fixed price differential.

The fair value of our swapsoil derivative positions at December 31, 20192021 was a net liability of $7$231 million.  A hypothetical upward or downward shift of 10% per Bbl in the NYMEX forward curve for crude oil as of December 31, 20192021 would cause an increase of $109 million or a decrease of $106 million, respectively, in this fair value liability.  The fair value of our natural gas derivative positions was a net liability of $25 million.  A hypothetical upward or downward shift of 10% per MMBtu in the NYMEX forward curve for natural gas as of December 31, 2021 would cause an increase of $9 million or a decrease of $12 million, respectively, in this fair value liability.  The fair value of our NGL derivative positions was a net asset of $3 million.  A hypothetical upward or downward shift of 10% per Bbl in the Mont Belvieu and Conway forward curves for propane as of December 31, 2021 would cause a decrease or increase, respectively, of $29$4 million in this fair value liability.asset.

While these collars, optionsfixed-price swaps and fixed-pricebasis swaps are designed to decrease our exposure to downward price movements, they also have the effect of limiting the benefit of (i) price increases above the ceiling with respect to the hedges and options andcollars, (ii) upward price movements generally with respect to the fixed-price swaps.

Interest Rate Risk

Market risk is estimated as the change in fair value resulting from a hypothetical 100 basis point change in the interest rate on the outstanding balance under our credit agreement.  Our credit agreement allows usswaps and (iii) decreasing floating market differentials relative to fix the interest rate for all or a portion of the principal balance for a period up to six months.  To the extent that the interest rate is fixed, interest rate changes affect the instrument’s fair market value but do not impact results of operations or cash flows.  Conversely, for the portion of the credit agreement that has a floating interest rate, interest rate changes will not affect the fair market value but will impact future results of operations and cash flows.  At December 31, 2019, our outstanding principal balance under our credit agreement was $375 million, and the weighted average interest rate on the outstanding principal balance was 3.3%.  At December 31, 2019, the carrying amount approximated fair market value.  Assuming a constant debt level of $375 million, the cash flow impact resulting from a 100 basis point change in interest rates during periods when the interest rate is not fixed would be $4 million over a 12-month time period.  Changes in interest rates do not affect the amount of interest we pay on our fixed-rate senior notes, but changes in interest rates do affect the fair values of these notes.

The interest rate on our 2020 Convertible Senior Notes is fixed at 1.25%, and as such, we are not subject to any direct risk of loss related to fluctuations in interest rates.  However, changes in interest rates do affect the fair value of this debt instrument, which could impact the amount of gain or loss that we recognize in earnings upon conversion of the notes.  ReferNYMEX with respect to the “Long-Term Debt”basis swaps and “Fair Value Measurements” footnotes in the notes to the consolidated financial statements for more information on the material terms and fair values of the 2020 Convertible Senior Notes.differential swaps.  

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Item 8.       Financial Statements and Supplementary Data

INDEX TO CONSOLIDATED FINANCIAL STATEMENTS

Report of Independent Registered Public Accounting Firm (PCAOB ID No. 34)

66

Consolidated Balance Sheets as of December 31, 2019 and 2018

68

Consolidated Statements of Operations for the Years Ended December 31, 2019, 2018 and 2017

69

Consolidated Statements of Cash Flows for the Years Ended December 31, 2019, 2018 and 2017

70

Consolidated Statements of Equity for the Years Ended December 31, 2019, 2018 and 2017

72

Notes to Consolidated Financial Statements

73

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REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Board of Directors and Stockholders of

Whiting Petroleum Corporation

Denver, Colorado

Opinion on the Financial Statements

We have audited the accompanying consolidated balance sheets of Whiting Petroleum Corporation and subsidiaries (the "Company") as of December 31, 20192021 and 2018,2020, the related consolidated statements of operations, stockholders’ equity, and cash flows and equity for each of the three years in the periodyear ended December 31, 2021 and the period from September 1, 2020 to December 31, 2020 (Successor Company operations), and the periods from January 1, 2020 to August 31, 2020 and January 1, 2019 to December 31, 2019 (Predecessor Company operations), and the related notes (collectively referred to as the "financial statements"“financial statements”). In our opinion, the Successor financial statements present fairly, in all material respects, the financial position of the Company as of December 31, 20192021 and 2018,2020, and the results of its operations and its cash flows for eachthe year ended December 31, 2021 and for the period of the three yearsSeptember 1, 2020 to December 31, 2020, in conformity with accounting principles generally accepted in the period endedUnited States of America. Further, in our opinion, the Predecessor financial statements present fairly, in all material respects, the results of its operations and cash flows for the periods from January 1, 2020 to August 31, 2020 and January 1, 2019 to December 31, 2019, in conformity with accounting principles generally accepted in the United States of America.

We have also audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the Company's internal control over financial reporting as of December 31, 2019,2021, based on criteria established in Internal Control — Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission and our report dated February 27, 2020,23, 2022, expressed an unqualified opinion on the Company's internal control over financial reporting.

Basis for Opinion

These financial statements are the responsibility of the Company's management. Our responsibility is to express an opinion on the Company's financial statements based on our audits. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud. Our audits included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. We believe that our audits provide a reasonable basis for our opinion.

Critical Audit Matter

The critical audit matter communicated below is a matter arising from the current-period audit of the financial statements that was communicated or required to be communicated to the audit committee and that (1) relates to accounts or disclosures that are material to the financial statements and (2) involved our especially challenging, subjective, or complex judgments. The communication of this critical audit mattersmatter does not alter in any way our opinion on the financial statements, taken as a whole, and we are not, by communicating the critical audit matter below, providing a separate opinion on the critical audit matter or on the accounts or disclosures to which it relates.

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Proved Oil and Natural Gas Property and Depletion Oil and Natural Gas Reserve Quantities Refer to NotesNote 1 2 and 8 to the financial statements

Critical Audit Matter Description

The Company’s proved oil and natural gas properties are depleted using the units of production method and are evaluated for impairment by comparison tobased on the future net cash flows of the underlyingCompany’s oil and natural gas reserves. The development of the Company’s oil and natural gas reserve quantities and the related future net cash flows requiresrequired management to make significant estimates and assumptions, including those related to themanagement’s five-year property development rule for proved undeveloped reserves and future oil and natural gas prices.plan. The Company engages an independent reserve engineerengaged a third-party engineering firm to estimate oil and natural gas quantities using these estimates and assumptionsgenerally accepted methods, calculation procedures and engineering data. Changes in these assumptionsestimates or engineering data could have a significant impact on the amount of depletion and any proved oil and gas impairment.depletion. The proved oil and natural gas properties balance was $7$1.8 billion as of December 31, 2019,2021, net of accumulated depreciation,

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depletion, and amortization. Depreciation, depletion and amortization expense was $816 million$0.2 billion for the year ended December 31, 2019.  No impairment was recognized during 2019.2021.

Given the significant judgments made by management, performing audit procedures to evaluate the Company’s oil and natural gas reserve quantities, and the related net cash flows including management’s estimates and assumptions related to theits five-year property development rule and future oil and natural gas prices, requiredplan, requires a high degree of auditor judgment and an increased extent of effort, including the need to involve our fair value specialists.effort.

How the Critical Audit Matter Was Addressed in the Audit

Our audit procedures related to management’s significant judgments and assumptionsestimates related to oil and natural gas reserves quantities and estimates of the future net cash flowsconverting proved undeveloped oil and natural gas reserves to proved developed properties within five years included the following, among others:

We tested the operating effectiveness of controls related to the Company’s estimation of oil and natural gas reserve quantities, and the related future net cash flows, including controls relating to themanagement’s five-year property development plan and future oil and natural gas prices.plan.
We evaluated the Company’s estimated proved reserve quantities and reasonableness of management’s five-year property development plan by comparing the forecasts to:
-Historical conversions of proved undeveloped oil and natural gas reserves into proved developed oil and natural gas reserves.
-Working capital and future cash flows to support development of proved undeveloped reserves into proved developed oil and natural gas reserves.
-Internal communications to management and the Board of DirectorsDirectors.
-Permits and approval for expendituresexpenditures.
-Forecasted information by basin included in Company press releases as well as in analyst and industry reports for the Company and certain of its peer companiescompanies.
WithWe evaluated the assistanceCompany’s estimates of our fair value specialists, we evaluated management’s estimated future sales prices for oil and natural gas, by:production volumes by completing a retrospective comparison to historical production.
-Understanding the methodology used by management for development of the future prices and comparing the estimated prices to an independently determined range of prices
-Comparing management’s estimates to published forward pricing indices and third-party industry sources
-Evaluating the historical realized price differentials incorporated in the future oil and natural gas prices
-EvaluatingWe evaluated the experience, qualifications and objectivity of management’s expert, an independent reservoira third-party engineering firm, including performingthe methodologies and calculation procedures used to estimate oil and natural gas reserves and performed analytical procedures on the reserve quantitiesquantities.

/s/ DELOITTEDeloitte & TOUCHETouche LLP

Denver, Colorado

February 27, 202023, 2022

We have served as the Company’s auditor since 2003.

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WHITING PETROLEUM CORPORATION

CONSOLIDATED BALANCE SHEETS

(in thousands, except share and per share data)

December 31,

2019

2018

ASSETS

Current assets:

Cash and cash equivalents

$

8,652

$

13,607

Accounts receivable trade, net

308,249

294,468

Derivative assets

886

68,342

Prepaid expenses and other

13,196

22,009

Total current assets

330,983

398,426

Property and equipment:

Oil and gas properties, successful efforts method

12,812,007

12,195,659

Other property and equipment

��

178,689

134,212

Total property and equipment

12,990,696

12,329,871

Less accumulated depreciation, depletion and amortization

(5,735,239)

(5,003,509)

Total property and equipment, net

7,255,457

7,326,362

Other long-term assets

50,281

34,785

TOTAL ASSETS

$

7,636,721

$

7,759,573

LIABILITIES AND EQUITY

Current liabilities:

Accounts payable trade

$

80,100

$

42,520

Revenues and royalties payable

202,010

228,284

Accrued capital expenditures

64,263

73,178

Accrued interest

53,928

55,080

Accrued lease operating expenses

38,262

37,499

Accrued liabilities and other

53,597

33,872

Taxes payable

26,844

31,357

Derivative liabilities

10,285

-

Accrued employee compensation and benefits

21,125

35,141

Total current liabilities

550,414

536,931

Long-term debt

2,799,885

2,792,321

Asset retirement obligations

131,208

131,544

Operating lease obligations

31,722

-

Deferred income taxes

73,593

1,373

Other long-term liabilities

24,928

27,088

Total liabilities

3,611,750

3,489,257

Commitments and contingencies

Equity:

Common stock, $0.001 par value, 225,000,000 shares authorized; 91,743,571 issued and 91,326,469 outstanding as of December 31, 2019 and 92,067,216 issued and 91,018,692 outstanding as of December 31, 2018

92

92

Additional paid-in capital

6,409,991

6,414,170

Accumulated deficit

(2,385,112)

(2,143,946)

Total equity

4,024,971

4,270,316

TOTAL LIABILITIES AND EQUITY

$

7,636,721

$

7,759,573

Successor

December 31,

December 31,

2021

2020

ASSETS

Current assets:

Cash, cash equivalents and restricted cash

$

41,245

$

28,367

Accounts receivable trade, net

279,865

142,830

Prepaid expenses and other

17,158

19,224

Total current assets

338,268

190,421

Property and equipment:

Oil and gas properties, successful efforts method

2,274,908

1,812,601

Other property and equipment

61,624

74,064

Total property and equipment

2,336,532

1,886,665

Less accumulated depreciation, depletion and amortization

(254,237)

(73,869)

Total property and equipment, net

2,082,295

1,812,796

Other long-term assets

37,368

40,723

TOTAL ASSETS

$

2,457,931

$

2,043,940

LIABILITIES AND EQUITY

Current liabilities:

Accounts payable trade

$

48,641

$

23,697

Revenues and royalties payable

258,527

151,196

Accrued capital expenditures

38,914

20,155

Accrued liabilities and other

30,726

42,007

Accrued lease operating expenses

32,408

23,457

Taxes payable

18,864

11,997

Derivative liabilities

209,653

49,485

Total current liabilities

637,733

321,994

Long-term debt

-

360,000

Asset retirement obligations

93,915

91,864

Operating lease obligations

14,710

17,415

Long-term derivative liabilities

46,720

9,750

Other long-term liabilities

1,228

14,113

Total liabilities

794,306

815,136

Commitments and contingencies

Equity:

Common stock, $0.001 par value, 500,000,000 shares authorized; 39,133,637 issued and outstanding as of December 31, 2021 and 38,051,125 issued and outstanding as of December 31, 2020

39

38

Additional paid-in capital

1,196,607

1,189,693

Accumulated earnings

466,979

39,073

Total equity

1,663,625

1,228,804

TOTAL LIABILITIES AND EQUITY

$

2,457,931

$

2,043,940

The accompanying notes are an integral part of these consolidated financial statements.

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WHITING PETROLEUM CORPORATION

CONSOLIDATED STATEMENTS OF OPERATIONS

(in thousands, except per share data)

Year Ended December 31,

    

2019

    

2018

2017

OPERATING REVENUES

Oil, NGL and natural gas sales

$

1,572,245

$

2,081,414

$

1,481,435

OPERATING EXPENSES

Lease operating expenses

328,427

311,895

278,919

Transportation, gathering, compression and other

42,438

48,105

90,574

Production and ad valorem taxes

138,212

171,823

120,870

Depreciation, depletion and amortization

816,488

781,329

948,939

Exploration and impairment

54,738

67,368

936,177

General and administrative

132,609

123,250

124,288

Derivative loss, net

53,769

17,170

122,847

Loss on sale of properties

1,964

1,949

401,113

Amortization of deferred gain on sale

(9,069)

(11,354)

(12,963)

Total operating expenses

1,559,576

1,511,535

3,010,764

INCOME (LOSS) FROM OPERATIONS

12,669

569,879

(1,529,329)

OTHER INCOME (EXPENSE)

Interest expense

(191,047)

(197,474)

(191,088)

Gain (loss) on extinguishment of debt

7,830

(31,968)

(1,540)

Interest income and other

1,602

3,430

1,316

Total other expense

(181,615)

(226,012)

(191,312)

INCOME (LOSS) BEFORE INCOME TAXES

(168,946)

343,867

(1,720,641)

INCOME TAX EXPENSE (BENEFIT)

Current

-

-

(7,291)

Deferred

72,220

1,373

(475,688)

Total income tax expense (benefit)

72,220

1,373

(482,979)

NET INCOME (LOSS)

(241,166)

342,494

(1,237,662)

Net loss attributable to noncontrolling interests

-

-

14

NET INCOME (LOSS) ATTRIBUTABLE TO COMMON SHAREHOLDERS

$

(241,166)

$

342,494

$

(1,237,648)

INCOME (LOSS) PER COMMON SHARE

Basic

$

(2.64)

$

3.77

$

(13.65)

Diluted

$

(2.64)

$

3.73

$

(13.65)

WEIGHTED AVERAGE SHARES OUTSTANDING

Basic

91,285

90,953

90,683

Diluted

91,285

91,869

90,683

Successor

Predecessor

Year Ended December 31, 2021

  

Four Months Ended December 31, 2020

 

  

Eight Months Ended August 31, 2020

  

Year Ended December 31, 2019

OPERATING REVENUES

Oil, NGL and natural gas sales

$

1,511,837

$

273,358

$

459,004

$

1,572,245

Purchased gas sales

21,644

-

-

-

Total operating revenues

1,533,481

273,358

459,004

1,572,245

OPERATING EXPENSES

Lease operating expenses

242,476

73,981

158,228

328,427

Transportation, gathering, compression and other

30,107

8,038

22,266

42,438

Purchased gas expense

17,572

-

-

-

Production and ad valorem taxes

110,416

24,150

41,204

138,212

Depreciation, depletion and amortization

206,475

77,502

338,757

816,488

Exploration and impairment

10,781

7,865

4,184,830

54,738

General and administrative

49,520

21,734

91,816

132,609

Derivative (gain) loss, net

520,131

24,714

(181,614)

53,769

(Gain) loss on sale of properties

(95,611)

395

927

1,964

Amortization of deferred gain on sale

-

-

(5,116)

(9,069)

Total operating expenses

1,091,867

238,379

4,651,298

1,559,576

INCOME (LOSS) FROM OPERATIONS

441,614

34,979

(4,192,294)

12,669

OTHER INCOME (EXPENSE)

Interest expense

(16,381)

(8,080)

(73,054)

(191,047)

Gain on extinguishment of debt

-

-

25,883

7,830

Interest income and other

3,583

136

211

1,602

Reorganization items, net

-

-

217,419

-

Total other income (expense)

(12,798)

(7,944)

170,459

(181,615)

INCOME (LOSS) BEFORE INCOME TAXES

428,816

27,035

(4,021,835)

(168,946)

INCOME TAX EXPENSE (BENEFIT)

Current

910

2,463

2,718

-

Deferred

-

(14,501)

(59,092)

72,220

Total income tax expense (benefit)

910

(12,038)

(56,374)

72,220

NET INCOME (LOSS)

$

427,906

$

39,073

$

(3,965,461)

$

(241,166)

INCOME (LOSS) PER COMMON SHARE

Basic

$

10.97

$

1.03

$

(43.37)

$

(2.64)

Diluted

$

10.78

$

1.03

$

(43.37)

$

(2.64)

WEIGHTED AVERAGE SHARES OUTSTANDING

Basic

39,006

38,080

91,423

91,285

Diluted

39,692

38,119

91,423

91,285

The accompanying notes are an integral part of these consolidated financial statements.

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WHITING PETROLEUM CORPORATION

CONSOLIDATED STATEMENTS OF CASH FLOWS

(in thousands)

Year Ended December 31,

2019

2018

2017

CASH FLOWS FROM OPERATING ACTIVITIES

Net income (loss)

$

(241,166)

$

342,494

$

(1,237,662)

Adjustments to reconcile net income (loss) to net cash provided by operating activities:

Depreciation, depletion and amortization

816,488

781,329

948,939

Deferred income tax expense (benefit)

72,220

1,373

(475,688)

Amortization of debt issuance costs, debt discount and debt premium

28,340

30,700

31,715

Stock-based compensation

7,721

12,669

21,641

Amortization of deferred gain on sale

(9,069)

(11,354)

(12,963)

Loss on sale of properties

1,964

1,949

401,113

Oil and gas property impairments

17,866

45,288

899,853

(Gain) loss on extinguishment of debt

(7,830)

31,968

1,540

Non-cash derivative (gain) loss

78,626

(139,831)

131,129

Payment for settlement of commodity derivative contract

-

(61,036)

-

Other, net

(1,352)

(6,706)

(9,255)

Changes in current assets and liabilities:

Accounts receivable trade, net

(24,343)

(11,571)

(110,879)

Prepaid expenses and other

7,165

4,026

(444)

Accounts payable trade and accrued liabilities

40,117

11,368

(24,953)

Revenues and royalties payable

(26,274)

56,751

23,799

Taxes payable

(4,513)

2,586

(10,776)

Net cash provided by operating activities

755,960

1,092,003

577,109

CASH FLOWS FROM INVESTING ACTIVITIES

Drilling and development capital expenditures

(793,365)

(813,981)

(830,552)

Acquisition of oil and gas properties

(6,031)

(142,723)

(21,429)

Other property and equipment

(6,451)

(1,096)

(4,596)

Proceeds from sale of properties

72,000

4,746

929,974

Net cash provided by (used in) investing activities

(733,847)

(953,054)

73,397

CASH FLOWS FROM FINANCING ACTIVITIES

Borrowings under credit agreement

2,650,000

2,214,265

1,900,000

Repayments of borrowings under credit agreement

(2,275,000)

(2,214,265)

(2,450,000)

Issuance of 6.625% Senior Notes due 2026

-

-

1,000,000

Redemption of 6.5% Senior Subordinated Notes due 2018

-

-

(275,121)

Redemption of 5.0% Senior Notes due 2019

-

(990,023)

-

Repurchase of 1.25% Convertible Senior Notes due 2020

(297,000)

-

-

Repurchase of 5.75% Senior Notes due 2021

(95,279)

-

-

Debt issuance and extinguishment costs

(819)

(10,709)

(13,150)

Restricted stock used for tax withholdings

(3,830)

(4,744)

(6,081)

Proceeds from stock options exercised

-

755

-

Principal payments on finance lease obligations

(5,140)

-

-

Net cash provided by (used in) financing activities

$

(27,068)

$

(1,004,721)

$

155,648

(Continued)

Successor

Predecessor

Year Ended December 31, 2021

  

Four Months Ended December 31, 2020

 

  

Eight Months Ended August 31, 2020

  

Year Ended December 31, 2019

CASH FLOWS FROM OPERATING ACTIVITIES

    

Net income (loss)

$

427,906

$

39,073

$

(3,965,461)

$

(241,166)

Adjustments to reconcile net income (loss) to net cash provided by operating activities:

Depreciation, depletion and amortization

206,475

77,502

338,757

816,488

Deferred income tax benefit

-

(14,501)

(59,092)

72,220

Amortization of debt issuance costs, debt discount and debt premium

3,554

1,258

13,535

28,340

Stock-based compensation

10,745

515

4,188

7,721

Amortization of deferred gain on sale

-

-

(5,116)

(9,069)

(Gain) loss on sale of properties

(95,611)

395

927

1,964

Oil and gas property impairments

6,707

3,233

4,161,885

17,866

Gain on extinguishment of debt

-

-

(25,883)

(7,830)

Non-cash derivative (gain) loss

196,439

20,772

(136,131)

78,626

Non-cash reorganization items, net

-

-

(274,588)

-

Other, net

(5,464)

(1,761)

(223)

(1,352)

Changes in current assets and liabilities:

Accounts receivable trade, net

(140,102)

(7,100)

181,416

(24,343)

Prepaid expenses and other

4,891

1,989

(5,491)

7,165

Accounts payable trade and accrued liabilities

17,096

(42,922)

(46,734)

40,117

Revenues and royalties payable

100,505

5,690

(56,504)

(26,274)

Taxes payable

7,102

(1,975)

(12,872)

(4,513)

Net cash provided by operating activities

740,243

82,168

112,613

755,960

CASH FLOWS FROM INVESTING ACTIVITIES

Drilling and development capital expenditures

(234,437)

(33,987)

(238,456)

(793,365)

Acquisition of oil and gas properties

(306,487)

(166)

(493)

(6,031)

Other property and equipment

457

(2,486)

(1,072)

(6,451)

Proceeds from sale of properties

180,271

532

29,273

72,000

Net cash used in investing activities

(360,196)

(36,107)

(210,748)

(733,847)

CASH FLOWS FROM FINANCING ACTIVITIES

Borrowings under Credit Agreement

1,831,000

272,500

425,328

-

Repayments of borrowings under Credit Agreement

(2,191,000)

(337,828)

-

-

Borrowings under Predecessor Credit Agreement

-

-

1,185,000

2,650,000

Repayments of borrowings under Predecessor Credit Agreement

-

-

(1,402,259)

(2,275,000)

Repurchase of 1.25% Convertible Senior Notes due 2020

-

-

(52,890)

(297,000)

Repurchase of 5.75% Senior Notes due 2021

-

-

-

(95,279)

Debt issuance and extinguishment costs

(73)

-

(12,784)

(819)

Principal payments on finance lease obligations

(4,020)

(1,773)

(3,198)

(5,140)

Restricted stock used for tax withholdings

(3,076)

-

(307)

(3,830)

Net cash provided by (used in) financing activities

$

(367,169)

$

(67,101)

$

138,890

$

(27,068)

(Continued)

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WHITING PETROLEUM CORPORATION

CONSOLIDATED STATEMENTS OF CASH FLOWS

(in thousands)

Year Ended December 31,

2019

2018

2017

NET CHANGE IN CASH AND CASH EQUIVALENTS

$

(4,955)

$

(865,772)

$

806,154

CASH AND CASH EQUIVALENTS

Beginning of period

13,607

879,379

73,225

End of period

$

8,652

$

13,607

$

879,379

SUPPLEMENTAL CASH FLOW DISCLOSURES

Income taxes paid (refunded), net

$

(7,508)

$

(32)

$

49

Interest paid, net of amounts capitalized

$

163,859

$

152,665

$

163,151

NONCASH INVESTING ACTIVITIES

Accrued capital expenditures and accounts payable related to property additions

$

86,088

$

90,358

$

80,762

Leasehold improvements paid for by third party lessor under office lease agreement

$

10,422

$

-

$

-

NONCASH FINANCING ACTIVITIES (1)

(Concluded)

Successor

Predecessor

Year Ended December 31, 2021

  

Four Months Ended December 31, 2020

 

  

Eight Months Ended August 31, 2020

  

Year Ended December 31, 2019

NET CHANGE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH

$

12,878

$

(21,040)

$

40,755

$

(4,955)

CASH, CASH EQUIVALENTS AND RESTRICTED CASH

Beginning of period

28,367

49,407

8,652

13,607

End of period

$

41,245

$

28,367

$

49,407

$

8,652

SUPPLEMENTAL CASH FLOW DISCLOSURES

Income taxes paid (refunded), net

$

-

$

6,209

$

(1,028)

$

(7,508)

Interest paid, net of amounts capitalized

$

12,134

$

6,322

$

80,220

$

163,859

Cash paid for reorganization items

$

396

$

22,248

$

33,238

$

-

NONCASH INVESTING ACTIVITIES

Accrued capital expenditures and accounts payable related to property additions

$

42,335

$

21,531

$

26,796

$

86,088

Leasehold improvements paid for by third party lessor under office lease agreement

$

375

$

99

$

49

$

10,422

NONCASH FINANCING ACTIVITIES (1)

Derivative termination settlement payments used to repay borrowings under Predecessor Credit Agreement

$

-

$

-

$

157,741

$

-

(Concluded)

(1)Refer to the “Leases” footnote in the notes to the consolidated financial statements for discussion of right-of-use assets obtained in exchange for finance lease liabilities.

The accompanying notes are an integral part of these consolidated financial statements.

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WHITING PETROLEUM CORPORATION

CONSOLIDATED STATEMENTS OF EQUITY

(in thousands)

Total

Additional

Whiting

Common Stock

Paid-in

Accumulated

Shareholders'

Noncontrolling

Total

Shares (1)

Amount

Capital

Deficit

Equity

Interest

Equity

BALANCES - January 1, 2017

91,793

$

367

$

6,389,435

$

(1,248,572)

$

5,141,230

$

7,962

$

5,149,192

Net loss

-

-

-

(1,237,648)

(1,237,648)

(14)

(1,237,662)

Conveyance of third party ownership interest in Sustainable Water Resources, LLC

-

-

-

-

-

(7,948)

(7,948)

Reverse stock split

-

(276)

276

-

-

-

-

Restricted stock issued

707

2

(2)

-

-

-

-

Restricted stock forfeited

(261)

(1)

1

-

-

-

-

Restricted stock used for tax withholdings

(144)

-

(6,081)

-

(6,081)

-

(6,081)

Stock-based compensation

-

-

21,641

-

21,641

-

21,641

Cumulative effect of change in accounting principle

-

-

220

(220)

-

-

-

BALANCES - December 31, 2017

92,095

92

6,405,490

(2,486,440)

3,919,142

-

3,919,142

Net income

-

-

-

342,494

342,494

-

342,494

Exercise of stock options

16

-

755

-

755

-

755

Restricted stock issued

451

-

-

-

-

-

-

Restricted stock forfeited

(351)

-

-

-

-

-

-

Restricted stock used for tax withholdings

(144)

-

(4,744)

-

(4,744)

-

(4,744)

Stock-based compensation

-

-

12,669

-

12,669

-

12,669

BALANCES - December 31, 2018

92,067

92

6,414,170

(2,143,946)

4,270,316

-

4,270,316

Net loss

-

-

-

(241,166)

(241,166)

-

(241,166)

Adjustment to equity component of 2020 Convertible Senior Notes upon partial extinguishment

-

-

(8,070)

-

(8,070)

-

(8,070)

Restricted stock issued

113

-

-

-

-

-

-

Restricted stock forfeited

(286)

-

-

-

-

-

-

Restricted stock used for tax withholdings

(150)

-

(3,830)

-

(3,830)

-

(3,830)

Stock-based compensation

-

-

7,721

-

7,721

-

7,721

BALANCES - December 31, 2019

91,744

$

92

$

6,409,991

$

(2,385,112)

$

4,024,971

$

-

$

4,024,971

(1)In November 2017, the Company effected a one-for-four reverse stock split, as described in the “Shareholders’ Equity and Noncontrolling Interest” footnote to these consolidated financial statements.  All common shares amounts prior to November 2017 have been retroactively adjusted to reflect this reverse stock split.

Additional

Common Stock

Paid-in

Accumulated

Total

Shares

Amount

Capital

Earnings (Deficit)

Equity

BALANCES - January 1, 2019 (Predecessor)

92,067

$

92

$

6,414,170

$

(2,143,946)

$

4,270,316

Net loss

-

-

-

(241,166)

(241,166)

Adjustment to equity component of Convertible Senior Notes upon partial extinguishment

-

-

(8,070)

-

(8,070)

Restricted stock issued

113

-

-

-

-

Restricted stock forfeited

(286)

-

-

-

-

Restricted stock used for tax withholdings

(150)

-

(3,830)

-

(3,830)

Stock-based compensation

-

-

7,721

-

7,721

BALANCES - December 31, 2019 (Predecessor)

91,744

92

6,409,991

(2,385,112)

4,024,971

Net loss

-

-

-

(3,965,461)

(3,965,461)

Adjustment to equity component of Convertible Senior Notes upon partial extinguishment

-

-

(3,461)

-

(3,461)

Restricted stock issued

194

-

-

-

-

Restricted stock forfeited

(238)

-

-

-

-

Restricted stock used for tax withholdings

(58)

-

(308)

-

(308)

Stock-based compensation

-

-

4,188

-

4,188

Cancellation of Predecessor stock

(91,642)

(92)

(6,410,410)

6,350,573

(59,929)

BALANCES - August 31, 2020 (Predecessor)

-

$

-

$

-

$

-

$

-

Issuance of Successor equity

38,051

$

38

$

1,159,818

$

-

$

1,159,856

Issuance of Successor warrants

-

-

29,360

-

29,360

BALANCES - September 1, 2020 (Successor)

38,051

38

1,189,178

-

1,189,216

Net income

-

-

-

39,073

39,073

Stock-based compensation

-

-

515

-

515

BALANCES - December 31, 2020 (Successor)

38,051

38

1,189,693

39,073

1,228,804

Net income

-

-

-

427,906

427,906

Common stock issued in settlement of bankruptcy claims

949

1

(1)

-

-

Restricted stock issued

206

-

-

-

-

Restricted stock used for tax withholdings

(72)

-

(3,076)

-

(3,076)

Stock-based compensation

-

-

9,991

-

9,991

BALANCES - December 31, 2021 (Successor)

39,134

$

39

$

1,196,607

$

466,979

$

1,663,625

The accompanying notes are an integral part of these consolidated financial statements.

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WHITING PETROLEUM CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

1.         SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Description of Operations—Whiting Petroleum Corporation, a Delaware corporation, is an independent oil and gas company engaged in the development, production acquisition and explorationacquisition of crude oil, NGLs and natural gas primarily in the Rocky Mountains region of the United States.  Unless otherwise specified or the context otherwise requires, all references in these notes to “Whiting” or the “Company” are to Whiting Petroleum Corporation andtogether with its consolidated subsidiaries, Whiting Oil and Gas Corporation (“Whiting Oil and Gas” or “WOG”), Whiting US Holding Company, Whiting Canadian Holding Company ULC, Whiting Resources CorporationLLC (“WRC,” formerly Whiting Resources Corporation) and Whiting Programs, Inc.  In September 2020, Whiting US Holding Company merged with and into WOG with WOG surviving, and WRC transferred all of its operating assets to WOG.  In November 2020, WRC, over a series of steps, was amalgamated with Whiting Canadian Holding Company ULC and subsequently dissolved.  When the context requires, the Company refers to these entities separately.

Voluntary Reorganization under Chapter 11 of the Bankruptcy Code—On April 1, 2020 (the “Petition Date”), Whiting Petroleum Corporation, Whiting Oil and Gas, Whiting US Holding Company, Whiting Canadian Holding Company ULC and Whiting Resources Corporation (collectively, the “Debtors”) commenced voluntary cases (the “Chapter 11 Cases”) under chapter 11 of the Bankruptcy Code.  On June 30, 2020, the Debtors filed the Joint Chapter 11 Plan of Reorganization of Whiting Petroleum Corporation and its Debtor affiliates (as amended, modified and supplemented, the “Plan”).  On August 14, 2020, the Bankruptcy Court confirmed the Plan and on September 1, 2020 (the “Emergence Date”), the Debtors satisfied all conditions required for Plan effectiveness and emerged from the Chapter 11 Cases.  

Upon emergence, the Company adopted fresh start accounting in accordance with FASB ASC Topic 852 – Reorganizations (“ASC 852”), which specifies the accounting and financial reporting requirements for entities reorganizing through chapter 11 bankruptcy proceedings.  The application of fresh start accounting resulted in a new basis of accounting and the Company becoming a new entity for financial reporting purposes.  As a result of the implementation of the Plan and the application of fresh start accounting, the consolidated financial statements after the Emergence Date are not comparable to the consolidated financial statements before that date and the historical financial statements on or before the Emergence Date are not a reliable indicator of the Company’s financial condition and results of operations for any period after its adoption of fresh start accounting.  Refer to the “Fresh Start Accounting” footnote for more information.  References to “Successor” refer to the Company and its financial position and results of operations after the Emergence Date.  References to “Predecessor” refer to the Company and its financial position and results of operations on or before the Emergence Date.  References to “2020 Successor Period” relate to the period of September 1, 2020 through December 31, 2020.  References to “2020 Predecessor Period” relate to the period of January 1, 2020 through August 31, 2020.  The Company previously evaluated the events between August 31, 2020 and September 1, 2020 and concluded that the use of an accounting convenience date of August 31, 2020 did not have a material impact on the Company’s financial position or results of operations.

During the 2020 Predecessor Period, the Company applied ASC 852 in preparing the consolidated financial statements, which requires distinguishing transactions associated with the reorganization separate from activities related to the ongoing operations of the business.  Accordingly, pre-petition liabilities that could have been impacted by the chapter 11 proceedings were classified as liabilities subject to compromise.  Additionally, certain expenses, realized gains and losses and provisions for losses that were realized or incurred during the Chapter 11 Cases, including adjustments to the carrying value of certain assets and indebtedness were recorded as reorganization items, net in the consolidated statements of operations for the relevant Predecessor periods.  Refer to the “Chapter 11 Emergence” footnote for more information on the events of the bankruptcy proceedings as well as the accounting and reporting impacts of the reorganization during the 2020 Predecessor Period.

Basis of Presentation of Consolidated Financial Statements—The consolidated financial statements have been prepared in accordance with GAAP and SEC rules and regulations and include the accounts of Whiting Petroleum Corporation and its consolidated subsidiaries.  Investments in entities which give Whiting significant influence, but not control, over the investee are accounted for using the equity method.  Under the equity method, investments are stated at cost plus the Company’s equity in undistributed earnings and losses.  All intercompany balances and transactions have been eliminated upon consolidation.

Reclassifications—Certain prior period balances in the consolidated balance sheets have been combined or reclassified to conform to current period presentation.  Such reclassifications had no impact on net income (loss), cash flows or shareholders’ equity previously reported.

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Use of EstimatesThe preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenues and expenses during the reporting period.  Items subject to such estimates and assumptions include (i) oil and natural gas reserves; (ii) impairment tests of long-lived assets; (iii) depreciation, depletion and amortization; (iv) asset retirement obligations; (v) assignment of fair value and allocation of purchase price in connection with business combinations, including the determination of any resulting goodwill; (vi) income taxes; (vii) accrued liabilities; (viii) valuation of derivative instruments; and (ix) accrued revenue and related receivables.  Although management believes these estimates are reasonable, actual results could differ from these estimates.  Further, these estimates and other factors, including those outside of the Company’s control, such as the impact of lower commodity prices, may have a significant negative impact to the Company’s business, financial condition, results of operations and cash flows.

Fair Value MeasurementsThe Company follows FASB ASC Topic 820 – Fair Value Measurement (“ASC 820”) which establishes a three-level valuation hierarchy for disclosure of fair value measurements.  The valuation hierarchy categorizes assets and liabilities measured at fair value into one of three different levels depending on the observability of the inputs employed in the measurement.  The three levels are defined as follows:

Level 1:  Quoted Prices in Active Markets for Identical Assets – inputs to the valuation methodology are quoted prices (unadjusted) for identical assets or liabilities in active markets.
Level 2:  Significant Other Observable Inputs – inputs to the valuation methodology include quoted prices for similar assets and liabilities in active markets, and inputs that are observable for the asset or liability, either directly or indirectly, for substantially the full term of the financial instrument.
Level 3:  Significant Unobservable Inputs – inputs to the valuation methodology are unobservable and significant to the fair value measurement.

A financial instrument’s categorization within the valuation hierarchy is based upon the lowest level of input that is significant to the fair value measurement.  The Company’s assessment of the significance of a particular input to the fair value measurement in its entirety requires judgment and considers factors specific to the asset or liability.  

Cash, and Cash Equivalents and Restricted CashCash equivalents consist of demand deposits and highly liquid investments which have an original maturity of three months or less.  Cash and cash equivalents potentially subject the Company to a concentration of credit risk as substantially all of its deposits held in financial institutions were in excess of the Federal Deposit Insurance Corporation (“FDIC”) insurance limits as of December 31, 2021 and 2020.  The Company maintains its cash and cash equivalents in the form of money market and checking accounts with financial institutions that are also lenders under the Credit Agreement.  The Company has not experienced any losses on its deposits of cash and cash equivalents.

Restricted cash as of December 31, 2020 consists of funds remaining in a professional fee escrow account that were reserved to pay certain professional fees upon emergence from the Chapter 11 Cases (the “Professional Fee Escrow Account”).  

The following table provides a reconciliation of cash, cash equivalents and restricted cash reported within the consolidated balance sheets and statements of cash flows (in thousands):

Successor

December 31,

December 31,

2021

2020

Cash and cash equivalents

$

41,245

$

25,607

Restricted cash

-

2,760

Total cash, cash equivalents and restricted cash

$

41,245

$

28,367

Accounts Receivable Trade—Whiting’s accounts receivable trade consist mainly of receivables from oil and gas purchasers and joint interest owners on properties the Company operates.  For receivables from joint interest owners, Whiting typically hasThe Company’s collection risk is inherently low based on the viability of its oil and gas purchasers as well as its general ability to withhold future revenue disbursements to recover any non-payment of joint interest billings.  Generally, theThe Company’s oil and gas receivables are generally collected within two months, and to date, the Company has had minimal bad debts.not experienced material credit losses.

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The Company routinely assesses the recoverability ofevaluates expected credit losses for all material trade and other receivables to determine their collectability.  Atif an allowance for credit losses is warranted.  Expected credit losses are estimated based on (i) historic loss experience for pools of receivable balances with similar characteristics, (ii) the length of time balances have been outstanding and (iii) the economic status of each counterparty.  These loss estimates are then adjusted for current and expected future economic conditions, which may include an assessment of the probability of non-payment, financial distress or expected future commodity prices and the impact that any current or future conditions could have on a counterparty’s credit quality and liquidity.  As of December 31, 2019 and 2018,2020 (Successor), the Company had an immaterial allowance for doubtful accountscredit losses due to the application of $9 million and $12 million, respectively.fresh start accounting.  There were no material changes in the estimate of expected credit losses at December 31, 2021.

InventoriesMaterials and supplies inventories consist primarily of tubular goods and production equipment, carried at weighted-average cost.  Materials and supplies are included in other property and equipment and totaled $39$33 million and $23$29 million as of December 31, 20192021 and 2018,2020 (Successor), respectively.  Crude oil in tanks inventory is carried at the lower of the estimated cost to produce or net realizable value.  Oil in tanks is included in prepaid expenses and other and totaled $6$4 million and $5$6 million as of December 31, 20192021 and 2018,2020 (Successor), respectively.

Oil and Gas Properties

Proved.  The Company follows the successful efforts method of accounting for its oil and gas properties.  Under this method of accounting, all property acquisition costs and development costs are capitalized when incurred and depleted on a unit-of-production basis over the remaining life of proved reserves and proved developed reserves, respectively.  Costs of drilling exploratory wells are initially capitalized but are charged to expense if the well is determined to be unsuccessful.

The Company assesses its proved oil and gas properties for impairment whenever events or circumstances indicate that the carrying value of the assets may not be recoverable.  Such events include, but are not limited to, declines in commodity prices, increases in

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operating costs, unfavorable reserve revisions, poor well performance, changes in development plans and potential property divestitures.  The impairment test compares undiscounted future net cash flows to the assets’ net book value.  These undiscounted cash flows are driven by significant assumptions, including the Company’s expected future development activity, reserve estimates, forecasted pricing, future operating costs, capital expenditures and severance taxes.  If the net capitalized costs exceed undiscounted future net cash flows, then the cost of the property is written down to fair value utilizing a discounted future net cash flow analysis.  

Impairment expense for proved properties totaled $835 million$4 billion for the year ended December 31, 2017,2020 Predecessor Period, which is reported in exploration and impairment expense.expense in the consolidated statements of operations.

Net carrying values of retired, sold or abandoned properties that constitute less than a complete unit of depreciable property are charged or credited, net of proceeds, to accumulated depreciation, depletion and amortization unless doing so significantly affects the unit-of-production amortization rate, in which case a gain or loss is recognized in income.  Gains or losses from the disposal of complete units of depreciable property are recognized to earnings.

Unproved.  Unproved properties consist of costs to acquire undeveloped leases as well as purchases of unproved reserves.  Undeveloped lease costs and unproved reserve acquisitions are capitalized, and individually insignificant unproved properties are amortized on a composite basis, based on average remaining lease-term lives and the historical experience of developing acreage in a particular prospect.  The Company evaluates significant unproved properties for impairment based on remaining lease term, drilling results, reservoir performance, seismic interpretation or future plans to develop acreage.  When successful wells are drilled on undeveloped leaseholds, unproved property costs are reclassified to proved properties and depleted on a unit-of-production basis.  Impairment expense for unproved properties totaled $9 million, $37 million and $59 million for the years ended December 31, 2019, 2018 and 2017, respectively, which is reported in exploration and impairment expense.

Exploratory.  Geological and geophysical costs, including exploratory seismic studies, and the costs of carrying and retaining unproved acreage are expensed as incurred.  Costs of seismic studies that are utilized in development drilling within an area of proved reserves are capitalized as development costs.  Amounts of seismic costs capitalized are based on only those blocks of data used in determining development well locations.  To the extent that a seismic project covers areas of both developmental and exploratory drilling, those seismic costs are proportionately allocated between development costs and exploration expense.

Costs of drilling exploratory wells are initially capitalized, pending determination of whether the well has found proved reserves.  If an exploratory well has not found proved reserves, the costs of drilling the well and other associated costs are charged to expense.  Costs incurred for exploratory wells that find reserves, which cannot yet be classified as proved, continue to be capitalized if (i) the well has found a sufficient quantity of reserves to justify completion as a producing well and (ii) the Company is making sufficient progress assessing the reserves and the economic and operating viability of the project.  If either condition is not met, or if the Company obtains information that raises substantial doubt about the economic or operational viability of the project, the exploratory well costs, net of any salvage value, are expensed.

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LeasesThe Company accounts for leases in accordance with FASB ASC Topic 842 – Leases (“ASC 842”).  The Company has elected certain practical expedients available under ASC 842 including the short-term lease recognition exemption for all classes of underlying assets.  Accordingly, leases with a term of one year or less have not and will not be recognized in the consolidated balance sheets.  The Company has also elected the practical expedient to not separate lease and non-lease components contained within a single agreement for all classes of underlying assets.

Other Property and EquipmentOther property and equipment consists of materials and supplies inventories, carried at weighted-average cost, and furniture and fixtures, buildings and leasehold improvements, which are stated at cost and depreciated using the straight-line method over their estimated useful lives ranging from 4 to 30 years.  Additionally, other property and equipment includes finance lease right-of-use assets for pipeline and midstream facilities, field and officeequipment and automobiles, which are depreciated using the straight-line method over the shorter of (i) their lease term or (ii) their estimated useful lives ranging fromof 5 to 30 years.  Refer to the “Leases” footnote for additional information on these lease assets.

Debt Issuance Costs—Debt issuance costs related to the Company’s senior notes and convertible senior notes are included as a deduction from the carrying amount of long-term debt in the consolidated balance sheets and are amortized to interest expense using the effective interest method over the term of the related debt.  Debt issuance costs related to the credit facilityCredit Agreement are included in other long-term assets and are amortized to interest expense on a straight-line basis over the term of the agreement.  As a result of the Chapter 11 Cases and the adoption of ASC 852, the Company wrote off all unamortized issuance costs related to its senior notes on the Petition Date.  Refer to the “Chapter 11 Emergence” and “Fresh Start Accounting” footnotes for more information.

Debt Discounts and Premiums—Debt discounts and premiums related to the Company’s senior notes and convertible senior notes arewere previously included as a deduction from or addition to the carrying amount of the long-term debt in the consolidated balance sheets and arewere amortized to interest expense using the effective interest method over the term of the related notes.  As a result of the Chapter 11 Cases and the adoption of ASC 852, the Company wrote off all unamortized premium balances related to its notes on the Petition Date.  Refer to the “Chapter 11 Emergence” and “Fresh Start Accounting” footnotes for more information.

Derivative Instruments—The Company enters into derivative contracts, primarily collars swaps and options,swaps, to manage its exposure to commodity price risk.  Whiting follows FASB ASC Topic 815 – Derivatives and Hedging(“ASC 815”), to account for its derivative financial

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instruments.  All derivative instruments, other than those that meet the “normal purchase normal sale” exclusion, are recorded onin the consolidated balance sheetsheets as either an asset or liability measured at fair value.  Gains and losses from changes in the fair value of derivative instruments are recognized immediately in earnings, unless the derivative meets specific hedge accounting criteria and the derivative has been designated as a hedge.  The Company does not currently apply hedge accounting to any of its outstanding derivative instruments, and as a result, all changes in derivative fair values are recognized currently in earnings.

Cash flows from derivatives used to manage commodity price risk are classified in operating activities along with the cash flows of the underlying hedged transactions.  The Company does not enter into derivative instruments for speculative or trading purposes.  Refer to the “Derivative Financial Instruments” footnote for further information.

Asset Retirement Obligations and Environmental Costs—Asset retirement obligations relate to future costs associated with the plugging and abandonment of oil and gas wells, removal of equipment and facilities from leased acreage and returning such land to its original condition.  The Company follows FASB ASC Topic 410 – Asset Retirement and Environmental Obligations, to determine its asset retirement obligation amounts by calculating the present value of the estimated future cash outflows associated with its plugplugging and abandonment obligations.  The fair value of a liability for an asset retirement obligation is recorded in the period in which it is incurred (typically when a well is completed or acquired or when an asset is installed at the production location), and the cost of such liability increases the carrying amount of the related long-lived asset by the same amount.  The liability is accreted each period through charges to depreciation, depletion and amortization expense, and the capitalized cost is depleted on a unit-of-production basis over the proved developed reserves of the related asset.  Revisions typically occur due to changes in estimated abandonment costs or well economic lives, or if federal or state regulators enact new requirements regarding the abandonment of wells, and such revisions result in adjustments to the related capitalized asset and corresponding liability.

Liabilities for environmental costs are recorded on an undiscounted basis when it is probable that obligations have been incurred and the amounts can be reasonably estimated.  These liabilities are not reduced by possible recoveries from third parties.

Deferred Gain on Sale—The Company recorded a deferred gain on sale relatesrelated to the sale of 18,400,000 Whiting USA Trust II (“Trust II”) units, and iswhich was being amortized to income based on the unit-of-production method.  As a result of the Chapter 11 Cases and the adoption of ASC 852, the Company wrote off the remaining deferred gain to “Reorganization items, net” in the consolidated statements of operations during the 2020 Predecessor Period.  Refer to the “Chapter 11 Emergence” and “Fresh Start Accounting” footnotes for more information.

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Revenue Recognition—Revenues are predominantly derived from the sale of produced oil, NGLs and natural gas.  The Company accounts for revenues in accordance with FASB ASC Topic 606 – Revenue from Contracts with Customers(“ASC 606”), and thus oil and gas revenues are recognized whenat the point in time at which the Company’s performance obligation to deliver the product is met and control is transferred to the customer.  The Company has determined that its contracts for the sale of crude oil, unprocessed natural gas, residue gas and NGLs contain monthly performance obligations to deliver product at locations specified in the contract.  Control is transferred at the delivery location, at which point the performance obligation has been satisfied and revenue is recognized.  Fees included in the contract that are incurred prior to control transfer are classified as transportation, gathering, compression and other, and fees incurred after control transfers are included as a reduction to the transaction price.  The transaction price at which revenue is recognized consists entirely of variable consideration based on quoted market prices less various fees and the quantity of volumes delivered.

Payments for product sales are received one to three months after delivery.  At the end of each month when the performance obligation is satisfied and the amount of production delivered and the price received can be reasonably estimated, amounts due from customers are accrued in accounts receivable trade, net in the consolidated balance sheets.  Variances between estimated revenue

The Company has elected to utilize the practical expedient in ASC 606 that states the Company is not required to disclose the transaction price allocated to remaining performance obligations if the variable consideration is allocated entirely to a wholly unsatisfied performance obligation.  Under the Company’s contracts, each monthly delivery of product represents a separate performance obligation, therefore, future volumes are wholly unsatisfied, and actual payments are recorded indisclosure of the month the paymenttransaction price allocated to remaining performance obligations is received.  However, differences have been and are insignificant.not required.

Taxes collected and remitted to governmental agencies on behalf of customers are not included in revenues or costs and expenses.

General and Administrative Expenses—General and administrative expenses are reported net of reimbursements of overhead costs that are allocated to the working interest owners that participate in oil and gas properties operated by Whiting.

Stock-based Compensation Expense—The Company has a share-based employee compensation plansplan that provideprovides for the issuance of various types of stock-based awards, including shares of restricted stock, restricted stock units, performance shares, performance share units and stock options, to employees and non-employee directors.  The Company determines compensation expense for share-settled awards granted under these plans based on the grant date fair value, and such expense is recognized on a straight-line basis over the requisite service period of the award.  The Company determines compensation expense for cash-settled awards granted under these plans based on the fair value of such awards at the end of each reporting period.  Cash-settled awards are recorded as a liability in the consolidated balance sheets, and gains and losses from changes in fair value are recognized immediately in earnings.  The Company accounts for forfeitures of share-based awards as they occur.  Refer to the “Stock-Based Compensation” footnote for further information.

401(k) Plan—The Company has a defined contribution retirement plan for all employees.  The plan is funded by employee contributions and discretionary Company contributions.  The Company’s contributions for 2021, the 2020 Successor Period, the 2020 Predecessor Period and the year ended December 31, 2019 2018(Predecessor) were $3 million, $1 million, $4 million and 2017 were $7 million, $7 million and $8 million, respectively.  EmployeesNon-executive employees become 100% vested in employer contributions immediately.  Executives vest in employer contributions at 20% per year of completed service up to five years.

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Table of Contents

Acquisition CostsAcquisition related expenses, which consist of external costs directly related to the Company’s acquisitions, such as advisory, legal, accounting, valuation and other professional fees, are expensed as incurred.

Maintenance and Repairs—Maintenance and repair costs that do not extend the useful lives of property and equipment are charged to expense as incurred.  Major replacements, renewals and betterments are capitalized.

Income Taxes—Income taxes are recognized based on earnings reported for tax return purposes in addition to a provision for deferred income taxes.  Deferred income taxes are accounted for using the liability method.  Under this method, deferred tax assets and liabilities are determined by applying the enacted statutory tax rates in effect at the end of a reporting period to the cumulative temporary differences between the tax bases of assets and liabilities and their reported amounts in the Company’s financial statements.  The effect on deferred taxes for a change in tax rates is recognized in income in the period that includes the enactment date.  A valuation allowance for deferred tax assets is established when it is more likely than not that some portion of the benefit from deferred tax assets will not be realized.  The Company’s uncertain tax positions must meet a more-likely-than-not realization threshold to be recognized, and any potential accrued interest and penalties related to unrecognized tax benefits are recognized within income tax expense.

Earnings Per Share—Basic earnings per common share is calculated by dividing net income attributable to common shareholders by the weighted average number of common shares outstanding during each period.  Diluted earnings per common share is calculated by dividing adjusted net income attributable to common shareholders by the weighted average number of diluted common shares outstanding, which includes the effect of potentially dilutive securities.  Potentially dilutive securities for the diluted earnings per share calculations for the Successor periods consist of unvested restricted and performance stock units, outstanding warrants and contingently issuable shares related to settlement of outstanding claims related to the Chapter 11 Cases, all using the treasury stock method.  Potentially dilutive securities for the diluted earnings per share calculations for the Predecessor periods consist of unvested restricted and performance stock awards and units, outstanding stock options and contingently issuable shares of convertible debt to be settled in cash, all using the treasury stock method.  When a loss from continuing operations exists, all dilutive securities and potentially dilutive securities are anti-dilutive and are therefore excluded from the computation of diluted earnings per share.

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Table of Contents

Industry Segment and Geographic Information—The Company has evaluated how it is organized and managed and has identified only 1 operating segment, which is the exploration and production of crude oil, NGLs and natural gas.  The Company considers its gathering, processing and marketing functions as ancillary to its oil and gas producing activities.  All of the Company’s operations and assets are located in the United States, and substantially all of its revenues are attributable to United States customers.

Concentration of Credit Risk—Whiting is exposed to credit risk in the event of nonpayment by counterparties, a significant portion of which are concentrated in energy related industries.  The creditworthiness of customers and other counterparties is subject to continuing review.  The following tables present the percentages by purchaser that accounted for 10% or more of the Company’s total oil, NGL and natural gas sales for the years ended December 31, 2019, 2018 and 2017.periods presented.

Year Ended December 31, 2021

Shell Trading (US) Company

23

%

Marathon Oil Company

11

%

Year Ended December 31, 2020

Shell Trading (US) Company

14

%

Tesoro Crude Oil Co

13

%

Year Ended December 31, 2019

    

  

 

Tesoro Crude Oil Co

14

%

Philips 66 Company

12

%

Year Ended December 31, 2018

United Energy Trading, LLC

17

%

Tesoro Crude Oil Co

14

%

Philips 66 Company

11

%

Year Ended December 31, 2017

Tesoro Crude Oil Co

18

%

Commodity derivative contracts held by the Company are with 9 counterparties, all of which are participants in Whiting’s credit facility and all of which have investment-grade ratings from Moody’s and Standard & Poor’s.  As of December 31, 2019,2021, outstanding derivative contracts with Capital One, N.A., JP Morgan Chase Bank, Wells Fargo Bank, N.A., theCapital One, N.A and Canadian Imperial Bank of Nova Scotia, Merrill Lynch Commodities, Inc.Commerce represented 30%, 25%, 10% and Citibank, N.A. represented 28%, 16%, 14%, 13% and 11%10%, respectively, of total crude oil volumes hedged.

2.          CHAPTER 11 EMERGENCE

Adopted and Recently Issued Accounting PronouncementsPlan of Reorganization under Chapter 11 of the Bankruptcy CodeIn February 2016,On April 1, 2020, the FASB issuedDebtors commenced the Chapter 11 Cases as described in the “Summary of Significant Accounting Standards Update No. 2016-02, Leases (“ASU 2016-02”).  The objectivePolicies” footnote above.  On April 23, 2020, the Debtors entered into a restructuring support agreement with certain holders of this ASU isthe Company’s senior notes to increase transparencysupport a restructuring in accordance with the terms set forth in the Plan.  On August 14, 2020, the Bankruptcy Court confirmed the Plan.  On September 1, 2020 the Debtors satisfied all conditions required for Plan effectiveness and comparability among organizations by recognizing lease assetsemerged from the Chapter 11 Cases.  

On the Emergence Date and liabilities onpursuant to the balance sheet and disclosing key information about leasing arrangements.  The FASB subsequently issued various ASUs which provided additional implementation guidance, and these ASUs collectively make up FASBPlan:

(1)The Company amended and restated its certificate of incorporation and bylaws.
(2)The Company constituted a new Successor Board.
(3)The Company appointed a new Chief Executive Officer and a new Chief Financial Officer.
(4)The Company issued:
36,817,630 shares of the Successor’s common stock pro rata to holders of the Predecessor’s senior notes,
1,233,495 shares of the Successor’s common stock pro rata to holders of the Predecessor’s common stock,
4,837,387 Series A Warrants to purchasethe same number of shares of the Successor’s common stock pro rata to holders of the Predecessor’s common stock and
2,418,840 Series B Warrants to purchase the same number of shares of the Successor’s common stock pro rata to holders of the Predecessor’s common stock.

78

76

The Company also reserved 3,070,201 shares of the Successor’s common stock for potential future distribution to certain general unsecured claimants whose claim values were pending resolution in the Bankruptcy Court.  In February 2021, the Company issued 948,897 shares out of this reserve to a general unsecured claimant in full settlement of such claimant’s claims pending before the Bankruptcy Court and for rejection damages relating to an executory contract.  Any remaining reserved shares that are not distributed to resolve pending claims will be cancelled.  In addition, 4,035,885 shares were reserved for distribution under the Company’s 2020 equity incentive plan, as further detailed in the “Stock-Based Compensation” footnote below.

(5)Whiting Petroleum Corporation, as parent guarantor, and Whiting Oil and Gas, as borrower, entered into the Credit Agreement with a syndicate of banks with initial aggregate commitments in the amount of $750 million, with the ability to increase the aggregate commitments by up to an additional $750 million, subject to certain conditions.  Refer to the “Long-Term Debt” footnote for more information on the Credit Agreement.  The Company utilized borrowings from the Credit Agreement and cash on hand to repay all borrowings and accrued interest outstanding on its pre-emergence credit facility (the “Predecessor Credit Agreement”) as of the Emergence Date, which terminated on that date.
(6)The holders of trade claims, administrative expense claims, other secured claims and other priority claims received payment in full in cash upon emergence or through the ordinary course of business after the Emergence Date.

Executory Contracts—Subject to certain exceptions, under the Bankruptcy Code the Debtors were entitled to assume, assign or reject certain executory contracts and unexpired leases subject to the approval of the Bankruptcy Court and fulfillment of certain other conditions.  Generally, the rejection of an executory contract or unexpired lease was treated as a pre-petition breach of such contract and, subject to certain exceptions, relieved the Debtors from performing future obligations under such contract but entitled the counterparty or lessor to a pre-petition general unsecured claim for damages caused by such deemed breach.  Alternatively, the assumption of an executory contract or unexpired lease required the Debtors to cure existing monetary defaults under such executory contract or unexpired lease, if any.  Accordingly, any description of an executory contract or unexpired lease with the Debtors in this document, including where applicable quantification of the Company’s obligations under such executory or unexpired lease of the Debtors, is qualified by any overriding rejection rights the Company has under the Bankruptcy Code unless an order settling the claims has been issued by the Bankruptcy Court.  Further, nothing herein is or shall be deemed an admission with respect to any claim amounts or calculations arising from the rejection of any executory contract or unexpired lease and the Debtors expressly reserve all of their rights in that regard.  Refer to the “Commitments and Contingencies” footnote for more information on potential future rejection damages related to general unsecured claims.  

Interest Expense—The Company discontinued recording interest on its senior notes as of the Petition Date.  The contractual interest expense not accrued in the consolidated statements of operations was approximately $57 million for the period from the Petition Date through the Emergence Date.

Claims Resolution Process—Pursuant to the Plan, the Debtors have the sole authority to (1) file and prosecute objections to claims asserted by third parties and governmental entities and (2) settle, compromise, withdraw, litigate to judgment or otherwise resolve objections to such claims.  The claims resolutions process is ongoing and certain of these claims remain subject to the jurisdiction of the Bankruptcy Court.

3.         FRESH START ACCOUNTING

Fresh Start—In connection with the Company’s emergence from bankruptcy and in accordance with ASC 852, the Company qualified for and adopted fresh start accounting on the Emergence Date.  The Company was required to adopt fresh start accounting because (i) the holders of existing voting shares of the Predecessor received less than 50% of the voting shares of the Successor and (ii) the reorganization value of the Company’s assets immediately prior to confirmation of the Plan was less than the total of post-petition liabilities and allowed claims.

In accordance with ASC 852, with the application of fresh start accounting, the Company allocated its reorganization value to its individual assets based on their estimated fair values in conformity with ASC 820 and FASB ASC Topic 842805LeasesBusiness Combinations (“ASC 842”805”).  ASC 842The reorganization value represents the fair value of the Successor’s assets before considering certain liabilities and is effectiveintended to represent the approximate amount a willing buyer would pay for fiscal years,the Company’s assets immediately after reorganization.  

Reorganization Value—As set forth in the Plan and interim periods within those fiscal years, beginning after December 15, 2018.related disclosure statement, the enterprise value of the Successor was estimated to be between $1.35 billion and $1.75 billion.  At the Emergence Date, the Successor’s estimated enterprise value was $1.59 billion before the consideration of cash and cash equivalents on hand, which falls slightly above the midpoint of this range.  The standard permits retrospective application through recognitionenterprise value was derived primarily from an independent valuation using an income approach to derive the fair value of a cumulative-effect adjustment at the beginning of either the earliest reporting period presented or the period of adoption.  The Company adopted ASC 842 effective January 1, 2019 using the modified retrospective methodCompany’s assets as of the adoption date.  Whiting has completed the assessmentfresh start reporting date of its existing accounting policies and documentation, implementationSeptember 1, 2020.

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2.The Company’s principal assets are its oil and natural gas properties.  The fair value of proved reserves was estimated using an income approach, which was based on the anticipated future cash flows associated with those proved reserves, risked by reserve category and discounted using a weighted average cost of capital rate of 14%.  The proved reserve locations included in this analysis were limited to wells included in the Company's five-year development plan.  Future prices for the income approach were based on forward strip price curves (adjusted for basis differentials).  The fair value of the Company’s unproved reserves was estimated using a combination of income and market approaches.  Refer to further discussion below in “Fresh Start Accounting Adjustments.”

The following table reconciles the Company’s enterprise value to the implied value of the Successor’s common stock as of September 1, 2020 (in thousands):

Enterprise value

$

1,591,887

Plus: Cash and cash equivalents

22,657

Less: Fair value of debt

(425,328)

Implied value of Successor common stock

$

1,189,216

The following table reconciles the Company’s enterprise value to its reorganization value as of September 1, 2020 (in thousands):

Enterprise value

$

1,591,887

Plus:

Cash and cash equivalents

22,657

Accounts payable trade

56,432

Revenues and royalties payable

145,506

Other current liabilities

143,790

Asset retirement obligations

121,343

Operating lease obligations

17,839

Deferred income taxes

14,501

Other long-term liabilities

28,773

Reorganization value

$

2,142,728

Although the Company believes the assumptions and estimates used to develop enterprise value and reorganization value are reasonable and appropriate, different assumptions and estimates could materially impact the analysis and resulting conclusions. The assumptions used in estimating these values are inherently uncertain and require judgment.  Refer to the caption “Fresh Start Adjustments” below for additional information regarding assumptions used in the valuation of the Company’s significant assets and liabilities.

Condensed Consolidated Balance Sheet at Emergence (in thousands)—The adjustments set forth in the following condensed consolidated balance sheet as of September 1, 2020 reflect the consummation of transactions contemplated by the Plan (the “Reorganization Adjustments”) and the fair value adjustments as a result of applying fresh start accounting (the “Fresh Start Adjustments”).  The explanatory notes highlight methods used to determine fair values or other amounts of the corresponding assets or liabilities, as well as significant assumptions.

80

As of September 1, 2020

Reorganization

Fresh Start

Predecessor

Adjustments

Adjustments

Successor

ASSETS

Current assets:

Cash and cash equivalents

$

547,354

$

(524,697)

(a)

$

-

$

22,657

Restricted cash

28,955

(2,205)

(b)

-

26,750

Accounts receivable trade, net

136,881

-

81

(o)

136,962

Prepaid expenses and other

18,722

231

(c)

2,260

(p)

21,213

Total current assets

731,912

(526,671)

2,341

207,582

Property and equipment:

Oil and gas properties, successful efforts method

4,885,013

-

(3,058,899)

(q)

1,826,114

Other property and equipment

159,866

(909)

(d)

(87,642)

(o)(r)

71,315

Total property and equipment

5,044,879

(909)

(3,146,541)

1,897,429

Less accumulated depreciation, depletion and amortization

(2,085,266)

-

2,085,266

(o)(q)(r)

-

Total property and equipment, net

2,959,613

(909)

(1,061,275)

1,897,429

Debt issuance costs

1,834

10,950

(e)

-

12,784

Other long-term assets

37,010

(8,760)

(d)

(3,317)

(o)(s)

24,933

TOTAL ASSETS

$

3,730,369

$

(525,390)

$

(1,062,251)

$

2,142,728

LIABILITIES AND EQUITY (DEFICIT)

Current liabilities:

Current portion of long-term debt

$

912,259

$

(912,259)

(f)

$

-

$

-

Accounts payable trade

47,168

9,264

(g)(h)

-

56,432

Revenues and royalties payable

145,506

-

-

145,506

Accrued capital expenditures

14,037

1,305

(g)

-

15,342

Accrued liabilities and other

46,327

21,942

(g)(i)

(6,529)

(o)(t)

61,740

Accrued lease operating expenses

25,344

1,394

(g)

-

26,738

Accrued interest

3,459

(3,332)

(g)(j)

(127)

(o)

-

Taxes payable

13,972

-

-

13,972

Derivative liabilities

25,998

-

-

25,998

Total current liabilities

1,234,070

(881,686)

(6,656)

345,728

Long-term debt

-

425,328

(k)

-

425,328

Asset retirement obligations

150,925

-

(29,582)

(u)

121,343

Operating lease obligations

-

17,652

(d)(g)

187

(o)

17,839

Deferred income taxes

69,847

-

(55,346)

(v)

14,501

Other long-term liabilities

18,160

11,071

(g)

(458)

(o)(t)

28,773

Total liabilities not subject to compromise

1,473,002

(427,635)

(91,855)

953,512

Liabilities subject to compromise

2,526,925

(2,526,925)

(g)

-

-

Total liabilities

3,999,927

(2,954,560)

(91,855)

953,512

Commitments and contingencies

Equity (deficit):

Predecessor common stock

92

(92)

(l)

-

-

Successor common stock

-

38

(m)

-

38

Predecessor additional paid-in capital

6,410,410

(6,410,410)

(l)

-

-

Successor additional paid-in capital

-

1,189,178

(m)

-

1,189,178

Accumulated earnings (deficit)

(6,680,060)

7,650,456

(n)

(970,396)

(w)

-

Total equity (deficit)

(269,558)

2,429,170

(970,396)

1,189,216

TOTAL LIABILITIES AND EQUITY (DEFICIT)

$

3,730,369

$

(525,390)

$

(1,062,251)

$

2,142,728

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Reorganization Adjustments

(a)The table below reflects the sources and uses of cash on the Emergence Date pursuant to the terms of the Plan (in thousands):

Sources:

Release of restricted cash upon bankruptcy emergence

$

28,205

Borrowings under the Credit Agreement

425,328

Total sources of cash

453,533

Uses:

Payment of outstanding borrowings under the Predecessor Credit Agreement

(912,259)

Payment of accrued interest on the Predecessor Credit Agreement

(3,437)

Payment of debt issuance costs related to the Credit Agreement

(10,950)

Funding of the Professional Fee Escrow Account

(26,000)

Payment of professional fees upon emergence

(14,470)

Payment of contract cure amounts

(11,114)

Total uses of cash

(978,230)

Net uses of cash

$

(524,697)

(b)The table below reflects the net reclassification of cash balances to and from restricted cash on the Emergence Date pursuant to terms of the Plan (in thousands):

Funding of the Professional Fee Escrow Account

$

26,000

Release of restricted cash upon bankruptcy emergence (1)

(28,205)

Net reclassifications from restricted cash

$

(2,205)

(1)Includes $23 million of funds related to derivative termination settlements that were directed by the counterparty to be held in a segregated account until the Company emerged from bankruptcy, as well as $5 million of amounts set aside as adequate assurance for utility providers that were restricted until emergence.
(c)Reflects the payment of professional fee retainers upon emergence.
(d)The Company amended a corporate office lease agreement and terminated the lease of certain floors within that agreement, which amendment was effective upon emergence from the Chapter 11 Cases.  As a result of the lease modification and terminations, the Company reduced the associated right-of-use assets and operating lease obligations by $10 million and $15 million, respectively, resulting in a $5 million gain on settlement of liabilities subject to compromise, which was recorded to reorganization items, net in the consolidated statements of operations.  The corporate office lease was classified as an operating lease and the modification did not result in a change to the lease’s classification.  Additionally, $18 million of long-term operating lease obligations in liabilities subject to compromise were reinstated to be satisfied in the ordinary course of business.
(e)Represents $11 million of financing costs related to the Credit Agreement which were capitalized as debt issuance costs and will be amortized to interest expense through the maturity date of April 1, 2024.
(f)Reflects the payment in full of the borrowings outstanding under the Predecessor Credit Agreement on the Emergence Date.

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(g)As part of the Plan, the Bankruptcy Court approved the settlement of certain claims reported within liabilities subject to compromise in the Company's consolidated balance sheet at their respective allowed claim amounts. The table below indicates the reinstatement or disposition of liabilities subject to compromise (in thousands):

Liabilities subject to compromise pre-emergence

$

2,526,925

Amounts reinstated on the Emergence Date:

Accounts payable trade

(10,866)

Accrued capital expenditures

(1,305)

Accrued lease operating expenses

(1,394)

Accrued liabilities and other

(13,961)

Accrued interest

(105)

Operating lease obligations

(17,652)

Other long-term liabilities

(11,071)

Total liabilities reinstated

(56,354)

Less: Amounts settled per the Plan

Issuance of common stock to general unsecured claim holders

(1,125,062)

Payment of contract cure amounts

(10,836)

Operating lease modification and terminations

(9,669)

Issuance of Successor common stock to holders of unvested cash-settled equity awards (1)

(64)

Total amounts settled

(1,145,631)

Gain on settlement of liabilities subject to compromise

$

1,324,940

(1)Holders of unvested cash-settled restricted stock awards were included as existing equity interests in the Plan and thus received Successor common stock on a pro rata basis based on the amount of unvested awards held.  This amount represents the gain on the liability related to those awards, which was included in liabilities subject to compromise prior to emergence.
(h)Reflects the reinstatement of $11 million of accounts payable included in liabilities subject to compromise to be satisfied in the ordinary course of business, partially offset by $2 million of professional fees paid on the Emergence Date.
(i)Represents the accrual of success fees payable upon emergence as well as certain other expenses, the payment of certain professional fees that were accrued for prior to emergence and the reinstatement of certain accrued liabilities included in liabilities subject to compromise to be satisfied in the ordinary course of business, as detailed in the following table (in thousands):

Reinstatement of accrued expenses from liabilities subject to compromise

$

13,961

Recognition of success fee payable upon emergence

11,500

Other expenses accrued at emergence

3,315

Payment of certain professional fees accrued prior to emergence

(6,834)

Net impact to accrued liabilities and other

$

21,942

(j)Represents a $3 million payment of accrued interest on the Predecessor Credit Agreement and reinstated accrued interest that was included within liabilities subject to compromise to be satisfied in the ordinary course of business.
(k)Reflects borrowings drawn under the Credit Agreement upon emergence.  Refer to the "Long-Term Debt" footnote for more information on the Credit Agreement.
(l)Pursuant to the terms of the Plan, on the Emergence Date, all Predecessor common stock interests were cancelled.  As a result of the cancellation, the Company accelerated the recognition of $4 million in compensation expense related to the unrecognized portion of share-based compensation as of the Emergence Date, which was recorded to reorganization items, net in the consolidated statements of operations.

83

(m)Reflects the issuance of Successor equity, including the issuance of 38,051,125 shares of common stock at a par value of $0.001 per share and warrants to purchase 7,256,227 shares of common stock in exchange for claims against or interests in the Debtors pursuant to the Plan.  Equity issued to each class of claims is detailed in the table below (in thousands):

Issuance of common stock to general unsecured claim holders

$

1,125,062

Issuance of common stock to Predecessor common stockholders and holders of unvested cash-settled equity awards

34,794

Issuance of warrants to Predecessor common stockholders and holders of unvested cash-settled equity awards

29,360

Fair value of Successor equity

$

1,189,216

(n)The table below reflects the cumulative impact of the reorganization adjustments discussed above (in thousands):

Gain on settlement of liabilities subject to compromise

$

1,324,940

Cancellation of Predecessor equity (1)

6,414,541

Fair value of equity issued to Predecessor common stockholders and holders of unvested cash-settled equity awards

(34,794)

Fair value of warrants issued to Predecessor common stockholders and holders of unvested cash-settled equity awards

(29,360)

Success fees incurred upon emergence

(17,303)

Acceleration of unvested stock-based compensation awards

(4,161)

Other expenses incurred upon emergence

(3,407)

Net impact on accumulated earnings (deficit)

$

7,650,456

(1)This value is reflective of Predecessor common stock, Predecessor additional paid in capital and the recognition of $4 million in compensation expense related to the unrecognized portion of share-based compensation.

Fresh Start Adjustments

(o)Reflects the adjustments to fair value made to operating and finance lease assets and liabilities.  Upon adoption of fresh start accounting, the Company's remaining lease obligations were recalculated using the incremental borrowing rate applicable to the Company upon emergence and commensurate with the Successor's capital structure.  The fair value adjustments related to leases are summarized in the table below (in thousands):

Lease Asset/Liability

Emergence Balance Sheet Classification

Fair Value Adjustment

Accounts receivable, net

Accounts receivable, net

$

81

Operating lease assets, net

Other long-term assets

(1,480)

Finance lease assets

Other property and equipment

(10,765)

Accumulated depreciation - finance leases

Less accumulated depreciation, depletion and amortization

15,099

Accrued interest - finance leases

Accrued interest

127

Short-term finance lease obligation

Accrued liabilities and other

(576)

Short-term operating lease obligation

Accrued liabilities and other

319

Long-term finance lease obligation

Other long-term liabilities

(1,174)

Long-term operating lease obligation

Operating lease obligations

(187)

$

1,444

(p)Reflects the adjustment to fair value of the Company's oil in tank inventory based on market prices as of the Emergence Date.
(q)Reflects the adjustments to fair value of the Company's oil and natural gas properties and undeveloped properties, as well as the elimination of accumulated depletion, depreciation and amortization.

For purposes of estimating the fair value of the Company's proved oil and gas properties, an income approach was used which estimated the fair value based on the anticipated future cash flows associated with the Company's proved reserves, risked by reserve category and discounted using a weighted average cost of capital rate of 14%.  The proved reserve locations included in this analysis were limited to wells included in the Company's five-year development plan.  Future prices for the income approach were based on forward strip price curves (adjusted for basis differentials) as of the Emergence Date.  

84

In estimating the fair value of the Company's unproved properties, a combination of income and market approaches were utilized.  The income approach consistent with that utilized for proved properties was utilized for properties which had positive future cash flows associated with reserve locations that did not qualify as proved reserves.  A market approach was used to value the remainder of the Company’s unproved properties.

(r)Reflects the fair value adjustment to recognize the Company’s land, buildings and other property, plant and equipment as of the Emergence Date based on the fair values of such land, buildings and other property, plant and equipment as well as the elimination of related historical depletion, depreciation and amortization balances.  Land and buildings were valued using a market approach.  Other property, plant and equipment were valued using a cost approach based on the current replacement costs of the assets, less depreciation based on the estimated economic useful lives of the assets and the age of the assets.  The fair value adjustments consisted of a decrease of $16 million in land and buildings, a decrease of $61 million in other property, plant and equipment and a corresponding write-off of $66 million in accumulated depletion, depreciation and amortization.
(s)Reflects the adjustment to fair value of the Company's other long-term assets, including line fill and pipeline imbalances, based on the commodity market prices as of the Emergence Date, which resulted in a $2 million decrease to other long-term assets.
(t)Represents the write-off of a deferred gain balance associated with the Predecessor.  The deferred gain does not relate to the Successor and therefore the unamortized balance was written off in full in the Predecessor's consolidated statements of operations.  Of the total $9 million write off, $7 million related to the short-term portion of the deferred gain (included in accrued liabilities and other in the consolidated balance sheets at emergence) and $2 million related to the long-term portion (included in other long-term liabilities in the consolidated balance sheets at emergence).
(u)Reflects the adjustment to fair value of the Company's asset retirement obligations including using a credit-adjusted risk-free rate as of the Emergence Date.
(v)Reflects the adjustment to fair value of the Company's deferred tax liability related to Whiting Canadian Holding Company ULC's outside basis difference in its ownership of a portion of Whiting's U.S. assets obtained through the acquisition of Kodiak Oil and Gas Corporation in 2014.
(w)Reflects the cumulative impact of the fresh start adjustments discussed above.

Reorganization Items, Net—Any expenses, gains and losses that were realized or incurred between the Petition Date and the Emergence Date and as a direct result of the Chapter 11 Cases were recorded in reorganization items, net in the Company’s consolidated statements of operations.  The following table summarizes the components of reorganization items, net for the periods presented (in thousands):

Successor

Predecessor

Four Months Ended December 31, 2020

Eight Months Ended August 31, 2020

Legal and professional advisory fees

$

-

$

57,170

Net gain on liabilities subject to compromise

-

(1,324,940)

Fresh start adjustments, net

-

1,025,742

Write-off of unamortized debt issuance costs and premium (1)

-

15,145

Other items, net

-

9,464

Total reorganization items, net

$

-

$

(217,419)

(1)As a result of the Chapter 11 Cases and the adoption of ASC 852, the Company wrote off all unamortized premium and issuance cost balances related to its senior notes on the Petition Date.  

85

4.         OIL AND GAS PROPERTIES

Net capitalized costs related to the Company’s oil and gas producing activities at December 31, 20192021 and 20182020 are as follows (in thousands):

Successor

December 31,

December 31,

December 31,

    

2019

    

2018

    

2021

2020

Costs of completed wells and facilities

$

9,847,159

$

9,182,384

Proved leasehold costs

2,702,236

2,729,593

Proved oil and gas properties

$

2,034,533

$

1,701,163

Unproved leasehold costs

182,109

105,073

Wells and facilities in progress

159,334

160,995

58,266

6,365

Unproved leasehold costs

103,278

122,687

Total oil and gas properties, successful efforts method

12,812,007

12,195,659

2,274,908

1,812,601

Accumulated depletion

(5,656,929)

(4,937,579)

(248,298)

(71,064)

Oil and gas properties, net

$

7,155,078

$

7,258,080

$

2,026,610

$

1,741,537

The following tables present impairment expense for unproved properties for the periods presented, which is reported in exploration and impairment expense in the consolidated statements of operations (in thousands):

Successor

Predecessor

Year Ended December 31, 2021

Four Months Ended December 31, 2020

Eight Months Ended August 31, 2020

Year Ended December 31, 2019

Impairment expense for unproved properties

$

3,093

$

1,396

$

12,566

$

9,450

3.5.   ��     ACQUISITIONS AND DIVESTITURES

2021 Acquisitions and Divestitures

On September 14, 2021, the Company completed the acquisition of interests in oil and gas properties located in Mountrail County, North Dakota for an aggregate purchase price of $271 million (before closing adjustments).  The revenue and earnings from these properties since the acquisition date are included in the Company’s consolidated financial statements for the year ended December 31, 2021.  Pro forma revenue and earnings for the acquired properties are not material to the Company’s consolidated financial statements and have therefore not been presented.  

The acquisition was accounted for as a business combination and was recorded using the acquisition method of accounting in accordance with ASC 805.  The following table summarizes the preliminary allocation of the $268 million adjusted purchase price (which is still subject to post-closing adjustments) to the assets acquired and liabilities assumed in this acquisition based on their respective fair values at the acquisition date, which did not result in the recognition of goodwill or a bargain purchase gain.  Refer to the “Fair Value Measurements” footnote for a detailed discussion of the fair value inputs used by the Company in determining the valuation of the significant assets acquired and liabilities assumed.  As the purchase price is further adjusted for post-close adjustments and as the oil and gas property valuation is completed, the final purchase price allocation may result in a different allocation than what is presented in the table below (in thousands):

86

Cash consideration

$

270,800

Purchase price adjustments

(2,553)

Adjusted purchase price

$

268,247

Fair Value of Assets Acquired:

Prepaid expenses and other

$

730

Oil and gas properties, successful efforts method:

Proved oil and gas properties

167,435

Unproved leasehold costs

103,397

Total fair value of assets acquired

271,562

Fair Value of Liabilities Assumed:

Asset retirement obligations

2,242

Revenue and royalties payable

1,073

Total fair value of liabilities assumed

3,315

Total fair value of assets acquired and liabilities assumed

$

268,247

On September 23, 2021, the Company completed the sale of all of its interests in producing assets and undeveloped acreage, including the associated midstream assets, of its Redtail field located in the Denver-Julesburg Basin of Weld County, Colorado for aggregate net sales proceeds of $171 million.  The sale was effective June 1, 2021 and resulted in a pre-tax gain on sale of $86 million.  The divestiture remains subject to a final settlement between Whiting and the buyer of the properties, which could impact the ultimate proceeds received and the gain recognized as a result of the transaction.  The Company used the net proceeds from the sale to repay a portion of the borrowings outstanding under the Credit Agreement.  This transaction included the removal of approximately $20 million in asset retirement obligations as well as certain finance leases for a pipeline and vehicles, which resulted in the termination of approximately $16 million of finance lease right-of-use assets, $3 million of accumulated depreciation and $12 million of long-term finance lease obligations.

On December 16, 2021, the Company completed the acquisition of additional interests in oil and gas properties located in Mountrail County, North Dakota for an aggregate purchase price of $32 million (before closing adjustments).  The acquisition was accounted for as a business combination and was recorded using the acquisition method of accounting in accordance with ASC 805.  The preliminary allocation of the $32 million purchase price resulted in $31 million of proved oil and gas properties acquired, $1 million of unproved leasehold costs acquired and $1 million of asset retirement obligations assumed. As the purchase price is further adjusted for post-close adjustments and as the oil and gas property valuation is completed, the final purchase price allocation may result in a different allocation.

2020 Acquisitions and Divestitures

On January 9, 2020, the Predecessor completed the divestiture of its interests in 30 non-operated, producing oil and gas wells and related undeveloped acreage located in McKenzie County, North Dakota for aggregate sales proceeds of $25 million (before closing adjustments).

There were no significant acquisitions during the year ended December 31, 2020.

2019 Acquisitions and Divestitures

On July 29, 2019, the CompanyPredecessor completed the divestiture of its interests in 137 non-operated, producing oil and gas wells located in the McKenzie, Mountrail and Williams counties of North Dakota for aggregate sales proceeds of $27 million (before closing adjustments).

On August 15, 2019, the CompanyPredecessor completed the divestiture of its interests in 58 non-operated, producing oil and gas wells located in Richland County, Montana and Mountrail and Williams counties of North Dakota for aggregate sales proceeds of $26 million (before closing adjustments).  

There were no significant acquisitions during the year ended December 31, 2019.

2018 Acquisitions and Divestitures

On July 31, 2018, the Company completed the acquisition of certain oil and gas properties located in Richland County, Montana and McKenzie County, North Dakota for an aggregate purchase price of $130 million (before closing adjustments).  The properties consist of approximately 54,800 net acres in the Williston Basin, including interests in 117 producing oil and gas wells and undeveloped acreage.  The revenue and earnings from these properties since the acquisition date are included in the Company’s consolidated financial statements for the year ended December 31, 2018 and are not material.  Pro forma revenue and earnings for the acquired properties are not material to the Company’s consolidated financial statements and have not been presented accordingly.87

77

The acquisition was recorded using the acquisition method of accounting.  The following table summarizes the allocation of the $123 million adjusted purchase price to the tangible assets acquired and liabilities assumed in this acquisition based on their relative fair values at the acquisition date, which did not result in the recognition of goodwill or a bargain purchase gain (in thousands):

Cash consideration

$

122,861

Fair value of assets acquired:

Accounts receivable trade, net

$

30

Prepaid expenses and other

43

Oil and gas properties, successful efforts method:

Proved oil and gas properties

106,860

Unproved oil and gas properties

21,769

Total fair value of assets acquired

128,702

Fair value of liabilities assumed:

Revenue and royalties payable

3,309

Asset retirement obligations

2,532

Total fair value of liabilities assumed

5,841

Total fair value of assets and liabilities acquired

$

122,861

2017 Acquisitions and Divestitures

On January 1, 2017, the Company completed the sale of its 50% interest in the Robinson Lake gas processing plant located in Mountrail County, North Dakota and its 50% interest in the Belfield gas processing plant located in Stark County, North Dakota, as well as the associated natural gas, crude oil and water gathering systems, effective January 1, 2017, for aggregate sales proceeds of $375 million (before closing adjustments).  The Company used the net proceeds from this transaction to repay a portion of the debt outstanding under its credit agreement.

On September 1, 2017, the Company completed the sale of its interests in certain producing oil and gas properties located in the Fort Berthold Indian Reservation area in Dunn and McLean counties of North Dakota, as well as other related assets and liabilities, (the “FBIR Assets”) for aggregate sales proceeds of $500 million (before closing adjustments).  The sale was effective September 1, 2017 and resulted in a pre-tax loss on sale of $402 million.  The Company used the net proceeds from the sale to repay a portion of the debt outstanding under its credit agreement.

There were no significant acquisitions during the year ended December 31, 2017.

4.6.        LEASES

The Company adopted ASC 842 effective January 1, 2019, which replaces previous lease accounting requirements under FASB ASC Topic 840 – Leases (“ASC 840”).  The standard was adopted using the modified retrospective approach which resulted in the recognition of approximately $30 million and $36 million of additional lease assets and liabilities, respectively, on the consolidated balance sheet upon adoption.  The Company has elected certain practical expedients available under ASC 842 including those that permit the Company to not (i) reassess prior conclusions reached under ASC 840 for lease identification, lease classification and initial direct costs, (ii) evaluate existing or expired land easements under the new standard and (iii) separate lease and non-lease components contained within a single agreement for all classes of underlying assets.  Accordingly, the adoption of the standard did not result in the Company recognizing a cumulative-effect adjustment to retained earnings.  Additionally, the Company has elected the short-term lease recognition exemption for all classes of underlying assets, and therefore, leases with a term of one year or less have not and will not be recognized on the consolidated balance sheets.  

The Company has operating and finance leases for corporate and field offices, equipment, pipeline and midstream facilities and automobiles.  Right-of-use (“ROU”) assets and liabilities associated with these leases are recognized at the lease commencement date based on the present value of the lease payments over the lease term.  ROU assets represent the Company’s right to use an underlying asset for the lease term, and lease liabilities represent the Company’s obligation to make lease payments.  

Supplemental balance sheet information for the Company’s leases as of December 31, 2021 and 2020 consisted of the following (in thousands):

Successor

Leases

Balance Sheet Classification

December 31, 2021

December 31, 2020

Operating Leases

Operating lease ROU assets

Other long-term assets

$

21,962

$

21,962

Accumulated depreciation

Other long-term assets

(4,499)

(1,096)

Operating lease ROU assets, net

$

17,463

$

20,866

Short-term operating lease obligations

Accrued liabilities and other

$

3,086

$

4,031

Long-term operating lease obligations

Operating lease obligations

14,710

17,415

Total operating lease obligations

$

17,796

$

21,446

Finance Leases

Finance lease ROU assets

Other property and equipment

$

4,023

$

19,706

Accumulated depreciation

Accumulated depreciation, depletion and amortization

(2,025)

(1,797)

Finance lease ROU assets, net

$

1,998

$

17,909

Short-term finance lease obligations

Accrued liabilities and other

$

1,321

$

4,830

Long-term finance lease obligations

Other long-term liabilities

721

13,138

Total finance lease obligations

$

2,042

$

17,968

The Company’s leases have remaining terms of up to 10 years.  Most of the Company’s leases do not state or imply a discount rate.  Accordingly, the Company uses its incremental borrowing rate based on information available at lease commencement to determine the present value of the lease payments.  Information regarding the Company’s lease terms and discount rates as of December 31, 2021 and 2020 is as follows:

Successor

December 31, 2021

December 31, 2020

Weighted Average Remaining Lease Term

Operating leases

7 years

7 years

Finance leases

2 years

4 years

Weighted Average Discount Rate

Operating leases

4.4%

4.4%

Finance leases

4.1%

4.2%

7888

Supplemental balance sheet information for the Company’s leases as of December 31, 2019 consisted of the following (in thousands):

Leases

Balance Sheet Classification

December 31, 2019

Operating Leases

Operating lease ROU assets

Other long-term assets

$

31,882

Accumulated depreciation

Other long-term assets

(4,895)

Operating lease ROU assets, net

$

26,987

Short-term operating lease obligations

Accrued liabilities and other

$

7,346

Long-term operating lease obligations

Operating lease obligations

31,722

Total operating lease obligations

$

39,068

Finance Leases

Finance lease ROU assets

Other property and equipment

$

33,312

Accumulated depreciation

Accumulated depreciation, depletion and amortization

(14,180)

Finance lease ROU assets, net

$

19,132

Short-term finance lease obligations

Accrued liabilities and other

$

4,974

Long-term finance lease obligations

Other long-term liabilities

16,638

Total finance lease obligations

$

21,612

The Company’s leases have remaining terms of less than one year to 10 years.  Most of the Company’s leases do not state or imply a discount rate.  Accordingly, the Company uses its incremental borrowing rate based on information available at lease commencement to determine the present value of the lease payments.  Information regarding the Company’s lease terms and discount rates as of December 31, 2019 is as follows:

Weighted Average Remaining Lease Term

Operating leases

8 years

Finance leases

5 years

Weighted Average Discount Rate

Operating leases

4.6%

Finance leases

8.6%

Operating lease cost is recognized on a straight-line basis over the lease term.  Finance lease cost is recognized based on the effective interest method for the lease liability and straight-line amortization of the ROU asset, resulting in more cost being recognized in earlier lease periods.  All payments for short-term leases, including leases with a term of one month or less, are recognized in income or capitalized to the cost of oil and gas properties on a straight-line basis over the lease term.  Additionally, any variable payments, which are generally related to the corresponding utilization of the asset, are recognized in the period in which the obligation was incurred.  Lease cost for the year ended December 31, 2019periods presented consisted of the following (in thousands):

Successor

   

   

Predecessor

Year Ended

Year Ended

Four Months Ended

Eight Months Ended

Year Ended

December 31, 2019

December 31, 2021

December 31, 2020

August 31, 2020

December 31, 2019

Operating lease cost

$

11,512

$

4,251

$

1,462

$

4,691

$

11,512

Finance lease cost:

Amortization of ROU assets

$

5,661

$

4,202

$

1,842

$

3,347

$

5,661

Interest on lease liabilities

1,996

513

260

1,131

1,996

Total finance lease cost

$

7,657

$

4,715

$

2,102

$

4,478

$

7,657

Short-term lease payments

$

676,850

$

224,711

$

26,430

$

164,815

$

676,850

Variable lease payments

$

31,812

$

10,637

$

99

$

23,307

$

31,812

79

Total lease cost represents the total financial obligations of the Company, a portion of which has been or will be reimbursed by the Company’s working interest partners.  Lease cost is included in various line items onin the consolidated statements of operations or capitalized to oil and gas properties and is recorded at the Company’s net working interest.

Supplemental cash flow information related to leases for the year ended December 31, 2019periods presented consisted of the following (in thousands):

Year Ended

December 31, 2019

Cash paid for amounts included in the measurement of lease liabilities:

Operating cash flows from operating leases

$

11,978

Operating cash flows from finance leases

$

2,006

Financing cash flows from finance leases

$

5,140

ROU assets obtained in exchange for new operating lease obligations

$

18,658

ROU assets obtained in exchange for new finance lease obligations

$

4,158

Successor

   

   

Predecessor

Year Ended

Four Months Ended

Eight Months Ended

Year Ended

December 31, 2021

December 31, 2020

August 31, 2020

December 31, 2019

Cash paid for amounts included in the measurement of lease liabilities:

Operating cash flows from operating leases

$

4,500

$

2,174

$

5,813

$

11,978

Operating cash flows from finance leases

$

536

$

197

$

1,156

$

2,006

Financing cash flows from finance leases

$

4,020

$

1,773

$

3,198

$

5,140

ROU assets obtained in exchange for new operating lease obligations

$

-

$

6,368

$

3,252

$

18,658

ROU assets obtained in exchange for new finance lease obligations

$

357

$

-

$

170

$

4,158

The Company’s lease obligations as of December 31, 20192021 will mature as follows (in thousands):

Year ending December 31,

Operating Leases

Finance Leases

2020

$

8,886

$

6,642

2021

6,657

5,753

2022

5,256

4,748

2023

4,592

3,849

2024

4,335

3,246

Remaining

16,951

2,535

Total lease payments

$

46,677

$

26,773

Less imputed interest

(7,609)

(5,161)

Total discounted lease payments

$

39,068

$

21,612

As of December 31, 2019, the Company had a contract for an additional corporate office space that consists of approximately $16 million of undiscounted minimum lease payments.  The operating lease has a nine-year lease term and is expected to commence in June 2020.

As of December 31, 2018, minimum future contractual payments for long-term leases under the scope of ASC 840 were as follows (in thousands):

Pipeline

Automobile and

Real Estate

Transportation

Equipment

Year ending December 31,

Leases

Agreement

Leases

2019

$

7,407

$

3,180

$

4,216

2020

4,770

3,180

3,422

2021

4,066

3,180

1,678

2022

4,188

3,180

488

2023

4,017

3,180

35

Remaining

25,140

5,565

-

Total lease payments

$

49,588

$

21,465

$

9,839

Year ending December 31,

Operating Leases

Finance Leases

2022

$

3,572

$

1,378

2023

3,255

637

2024

2,950

76

2025

1,904

23

2026

1,940

4

Remaining

7,356

-

Total lease payments

20,977

2,118

Less imputed interest

(3,181)

(76)

Total discounted lease payments

$

17,796

$

2,042

8089

5.7.        LONG-TERM DEBT

Long-term debt, consistedconsisting entirely of borrowings outstanding under the followingCredit Agreement, totaled $360 million at December 31, 20192020.  At December 31, 2021, the Company had 0 long-term debt.

Credit Agreement (Successor)

On the Emergence Date, Whiting Petroleum Corporation, as parent guarantor, and 2018 (in thousands):

December 31,

    

2019

    

2018

Credit agreement

$

375,000

$

-

1.25% Convertible Senior Notes due 2020

262,075

562,075

5.75% Senior Notes due 2021

773,609

873,609

6.25% Senior Notes due 2023

408,296

408,296

6.625% Senior Notes due 2026

1,000,000

1,000,000

Total principal

2,818,980

2,843,980

Unamortized debt discounts and premiums

(2,575)

(28,994)

Unamortized debt issuance costs on notes

(16,520)

(22,665)

Total long-term debt

$

2,799,885

$

2,792,321

Credit Agreement

Whiting Oil and Gas, as borrower, entered into the Company’s wholly owned subsidiary, hasCredit Agreement, a reserves-based credit agreementfacility, with a syndicate of banks that as.  As of December 31, 20192021, the Credit Agreement had a borrowing base of $2.05 billion and aggregate commitments of $1.75 billion.$750 million.  As of December 31, 2019,2021, the Company had $1.4 billion0 borrowings outstanding under the Credit Agreement with $749 million of available borrowing capacity, under the credit agreement, which was net of $375 million of borrowings outstanding and $2$1 million in letters of credit outstanding.  On September 15, 2021, the Company entered into an amendment to its existing Credit Agreement in connection with the October 1, 2021 regular borrowing base redetermination that (i) reaffirmed the $750 million borrowing base with such redetermination contemplating the closing of the Company’s recent divestiture described in the “Acquisitions and Divestitures” footnote, (ii) reduced the Company’s requirement to maintain commodity hedges covering its projected production for the succeeding twelve months from a minimum of 65% to a minimum of 50% and (iii) eliminated the Company’s requirement to maintain commodity hedges covering its projected production for the second succeeding twelve-month period, provided that the Company maintains a consolidated net leverage ratio of less than 1.0 to 1.0 as of the last day of any fiscal quarter.  If the Company’s consolidated net leverage ratio equals or exceeds 1.0 to 1.0 as of the last day of any fiscal quarter, the Company will also be required to hedge 35% of its projected production for the second succeeding twelve-month period.

The borrowing base under the credit agreementCredit Agreement is determined at the discretion of the lenders, based on the collateral value of the Company’s proved reserves that have been mortgaged to such lenders, and is subject to regular redeterminations on MayApril 1 and NovemberOctober 1 of each year, as well as special redeterminations described in the credit agreement,Credit Agreement, in each case which may reduceincrease or decrease the amount of the borrowing base.  Upon a redeterminationAdditionally, the Company can increase the aggregate commitments by up to an additional $750 million, subject to certain conditions.  

Up to $50 million of the borrowing base either on a periodic or special redetermination date, if total outstanding credit exposure exceeds the redetermined borrowing base, the Company will be required to prepay outstanding borrowings in an aggregate principal amount equal to such excess in six substantially equal monthly installments.  In October 2019, the borrowing base under the credit agreement was reduced from $2.25 billion to $2.05 billion in connection with the semi-annual regular borrowing base redetermination, with no change to the aggregate commitments of $1.75 billion.

A portion of the revolving credit facility in an aggregate amount not to exceed $50 million may be used to issue letters of credit for the account of Whiting Oil and Gas or other designated subsidiaries of the Company.  As of December 31, 2019, $482021, $49 million was available for additional letters of credit under the agreement.Credit Agreement.

The credit agreementCredit Agreement provides for interest only payments until maturity on April 1, 2024, when the credit agreement expiresterminates and allany outstanding borrowings are due.  In addition, the Credit Agreement provides for certain mandatory prepayments, including a provision pursuant to which, if the Company’s cash balances are in excess of approximately $75 million during any given week, such excess must be utilized to repay any outstanding borrowings under the Credit Agreement.  Interest under the credit agreementCredit Agreement accrues at the Company’s option at either (i) a base rate for a base rate loan plus a margin between 0.50%1.75% and 1.50%2.75% based on the ratio of outstanding borrowings and letters of credit to the lower of the current borrowing base or total commitments, where the base rate is defined as the greatest of the prime rate, the federal funds rate plus 0.5% per annum, or an adjusted LIBOR rate plus 1.0% per annum, or (ii) an adjusted LIBOR rate for a Eurodollareurodollar loan plus a margin between 1.50%2.75% and 2.50%3.75% based on the ratio of outstanding borrowings and letters of credit to the lower of the current borrowing base.base or total commitments.  The Credit Agreement also provides that the administrative agent and the Company have the ability to amend the LIBOR rate with a benchmark replacement rate, which may be a SOFR-based rate, if LIBOR borrowings become unavailable.  Additionally, the Company incurs commitment fees of 0.375% or 0.50% based on the ratio of outstanding borrowings to the borrowing base0.5% on the unused portion of the aggregate commitments of the lenders under the credit agreement,Credit Agreement, which are included as a component of interest expense.  At December 31, 2019, the weighted average interest rate on the outstanding principal balance under the credit agreement was 3.3%.

The credit agreement matures on April 12, 2023, provided that if at any time and for so long as any senior notes (other than the 2020 Convertible Senior Notes) have a maturity date prior to 91 days after April 12, 2023, the maturity date shall be the date that is 91 days prior to the maturity of such senior notes.  On September 13, 2019, the Company amended the credit agreement to, among other things, permit the repurchase, redemption, prepayment or other acquisition or retirement for value of any senior notes (as defined in the credit agreement) if: (i) such transaction is for a price not greater than an amount equal to par plus accrued and unpaid interest and fees and any applicable make-whole premium, (ii) immediately after giving effect to such transaction, there is unused availability under the facility of not less than the greater of $100 million or 15% of the then effective total commitments, and (iii) the Company’s ratio of consolidated total debt as of the date of such transaction (upon giving effect thereto) to EBITDAX (as defined in the credit agreement) during the last four quarters is not greater than 3.25 to 1.0.  The Company’s business plan includes the intent to refinance certain senior

81

notes, including the convertible senior notes due in 2020 and the senior notes due in 2021, as permitted by the September 13, 2019 amendment to the credit agreement.  Consequently, the Company has classified the credit agreement as long-term debt.

The credit agreementCredit Agreement contains restrictive covenants that may limit the Company’s ability to, among other things, incur additional indebtedness, sell assets, make loans to others, make investments, enter into mergers, enter into hedging contracts, incur liens and engage in certain other transactions without the prior consent of its lenders.  Except for limited exceptions, the credit agreementThe Credit Agreement also restricts the Company’s ability to make any dividend payments or distributions of cash on its common stock.stock except to the extent that the Company has distributable free cash flow and (i) has at least 20% of available borrowing capacity, (ii) has a consolidated net leverage ratio of less than or equal to 2.0 to 1.0, (iii) does not have a borrowing base deficiency and (iv) is not in default under the Credit Agreement.  These restrictions apply to all of the Company’s restricted subsidiaries (as definedand are calculated in accordance with definitions contained in the credit agreement).  As of December 31, 2019, there were 0 retained earnings free from restrictions.Credit Agreement.  The credit agreementamended Credit Agreement requires the Company, as of the last day of any quarter, to maintain commodity hedges covering a minimum of 50% of its projected production for the succeeding twelve months, as reflected in the reserves report most recently provided by the Company to the lenders under the Credit Agreement.  If the Company’s consolidated net leverage ratio equals or exceeds 1.0 to 1.0 as of the last day of any fiscal quarter, the Company will also be required to hedge 35% of its projected production for the second succeeding twelve months.  The Company is also limited to hedging a maximum of 85% of its production from proved reserves.  The Credit Agreement requires the Company to maintain the following ratios (as defined in the credit agreement)Credit Agreement): (i) a consolidated current assets to consolidated current liabilities ratio (which includes an add back of the available borrowing capacity under the credit agreement) of not less than 1.0 to 1.0 and (ii) a total debt to last four quarters’ EBITDAX ratio of not greater than 4.03.5 to 1.0.  As of December 31, 2019,2021, the Company was in compliance with itsthe covenants under the credit agreement.Credit Agreement.

Under Whiting Oil and Gas’ credit agreement, a cross default provision provides that a default under certain other debt90

The obligations of Whiting Oil and Gas under the credit agreementCredit Agreement are collateralizedsecured by a first lien on substantially all of Whiting Oilthe Company’s and Gas’ and Whiting Resource Corporation’scertain of its subsidiaries’ properties.  The Company has also guaranteed the obligations of Whiting Oil and Gas under the credit agreementCredit Agreement and has pledged the stock of certain of its subsidiaries as security for its guarantee.

Predecessor Senior Notes and Convertible Senior Notes and Senior Subordinated Notes

Senior Notes and Senior Subordinated Notes—In September 2010,Prior to the Emergence Date, the Company issued at par $350 millionhad outstanding notes consisting of 6.5% Senior Subordinated Notes due October 2018 (the “2018 Senior Subordinated Notes”).

In September 2013, the Company issued at par $1.1 billion of 5.0% Senior Notes due March 15, 2019 (the “2019 Senior Notes”) and $800$774 million of 5.75% Senior Notes due March 15, 2021 and issued at 101% of par an additional $400 million of 5.75% Senior Notes due March 15, 2021 (collectively, the(the “2021 Senior Notes”).  The debt premium recorded in connection with the issuance of the 2021 Senior Notes is being amortized to interest expense over the term of the notes using the effective interest method, with an effective interest rate of 5.5% per annum.

In March 2015, the Company issued at par $750, $408 million of 6.25% Senior Notes due April 1, 2023 (the “2023 Senior Notes”).

In December 2017, the Company issued at parand $1.0 billion of 6.625% Senior Notes due January 15, 2026 (the “2026 Senior Notes” and together(collectively with the 2021 Senior Notes, and the 2023 Senior Notes, the “Senior Notes”) and $187 million of 1.25% Convertible Senior Notes due 2020 (the “Convertible Senior Notes”).  The Company usedOn the net proceeds from this offering to redeem in January 2018 allEmergence Date, through implementation of the thenPlan, all outstanding 2019 Senior Notes.  Refer to “Redemption of 2019 Senior Notes” below for more information onobligations under the redemption of the 2019 Senior Notes.

During 2016, the Company exchanged (i) $75 million aggregate principal amount of its 2018 Senior Subordinated Notes, (ii) $139 million aggregate principal amount of its 2019 Senior Notes, (iii) $326 million aggregate principal amount of its 2021 Senior Notes and (iv) $342 million aggregate principal amount of its 2023the Convertible Senior Notes for the same aggregate principal amount of convertible notes.  Subsequently during 2016, all $882 million aggregate principal amount of these convertible notes was converted into approximately 21.6 millionwere cancelled and 36,817,630 shares of the Company’sSuccessor common stock pursuantwere issued to the termsholders of thethose cancelled notes.

Redemption of 2018 Senior Subordinated Notes.  In February 2017, the Company paid $281 million to redeem all of the then outstanding $275 million aggregate principal amount of 2018 Senior Subordinated Notes, which payment consisted of the 100% redemption price plus all accrued and unpaid interest on the notes.  The Company financed the redemption with borrowings under its credit agreement.  As a result of the redemption, Whiting recognized a $2 million loss on extinguishment of debt.

Redemption of 2019 Senior Notes.  In January 2018, the Company paid $1.0 billion to redeem all ofaddition, the remaining $961 million aggregate principal amount of the 2019 Senior Notes, which payment consisted of the 102.976% redemption price plus all accrued and unpaid

82

interest on the notes. The Company financed the redemption with proceeds from the issuance of the 2026 Senior Notes and borrowings under its credit agreement. As a result of the redemption, the Company recognized a $31 million loss on extinguishment of debt.

Repurchases of 2021 Senior Notes. In September 2019, the Company paid $24 million to repurchase $25 million aggregate principal amount of the 2021 Senior Notes, which payment consisted of the average 94.708% purchase price plus all accrued and unpaid interest on the notes.  The Company financed the repurchases with borrowings under its credit agreement.  As a result of the repurchases, the Company recognized a $1 million gain on extinguishment of debt, which included a non-cash charge for the acceleration of unamortized debt issuance costs and debt premium onwere written off to reorganization items, net in the notes.

In October 2019, the Company paid an additional $72 million to repurchase $75 million aggregate principal amountconsolidated statements of the 2021 Senior Notes, which payment consisted of the average 95.467% purchase price plus all accrued and unpaid interest on the notes.  The Company financed the repurchases with borrowings under its credit agreement.  As a result of the repurchases, the Company recognized a $3 million gain on extinguishment of debt, which included a noncash charge for the acceleration of unamortized debt issuance costs and debt premium on the notes.  As of December 31, 2019, $774 million of 2021 Senior Notes remained outstanding.

2020 Convertible Senior Notes—In March 2015, the Company issued at par $1,250 million of 1.25% Convertible Senior Notes due April 1, 2020 (the “2020 Convertible Senior Notes”) for net proceeds of $1.2 billion, net of initial purchasers’ fees of $25 million.  During 2016, the Company exchanged $688 million aggregate principal amount of its 2020 Convertible Senior Notes for the same aggregate principal amount of new mandatory convertible senior notes.  Subsequently during 2016, all $688 million aggregate principal amount of these mandatory convertible notes was converted into approximately 17.8 million shares of the Company’s common stock pursuantoperations.  Refer to the terms of the notes.“Chapter 11 Emergence” and “Fresh Start Accounting” footnotes for more information.

In September 2019, the CompanyPredecessor paid $299 million to complete a cash tender offer for $300 million aggregate principal amount of the 2020 Convertible Senior Notes, which payment consisted of the 99.0% purchase price plus all accrued and unpaid interest on the notes, which were allocated to the liability and equity components based on their relative fair values.  The Company financed the tender offer with borrowings under its credit agreement.the Predecessor Credit Agreement.  As a result of the tender offer, the Company recognized a $4 million gain on extinguishment of debt, which was net of a $7 million charge for the non-cash write-off of unamortized debt issuance costs and debt discount and a $1 million charge for transaction costs.

In March 2020, the Company paid $53 million to repurchase $73 million aggregate principal amount of the Convertible Senior Notes, which payment consisted of the average 72.5% purchase price plus all accrued and unpaid interest on the notes, which were allocated to the liability and equity components based on their relative fair values.  The Company financed the repurchases with borrowings under the Predecessor Credit Agreement.  As a result of these repurchases, the Company recognized a $23 million gain on extinguishment of debt during the 2020 Predecessor Period, which was net of a $0.2 million charge for the non-cash write-off of unamortized debt issuance costs and debt discount.  In addition, the Company recorded an $8a $3 million reduction to the equity component of the 2020 Convertible Senior Notes.  There was 0no deferred tax impact associated with this reduction due to the full valuation allowance in effect as of September 30, 2019.

The remaining $262 million aggregate principal amount of 2020 Convertible Senior Notes outstanding as of DecemberMarch 31, 2019 are convertible exclusively at the holder’s option.  Prior to January 1, 2020, the 2020 Convertible Senior Notes  were convertible only upon the achievement of certain contingent market conditions.  As of December 31, 2019, none of the contingent market conditions allowing holders of the 2020 Convertible Senior Notes to convert these notes had been met.  On or after January 1, 2020, the 2020 Convertible Senior Notes are convertible at any time until the second scheduled trading day immediately preceding the April 1, 2020 maturity date of the notes.  The notes are convertible at a current conversion rate of 6.4102 shares of Whiting’s common stock per $1,000 principal amount of the notes, which is equivalent to a current conversion price of approximately $156.00.  The conversion rate will be subject to adjustment in some events.  In addition, following certain corporate events that occur prior to the maturity date, the Company will increase, in certain circumstances, the conversion rate for a holder who elects to convert its 2020 Convertible Senior Notes in connection with such corporate event.  The Company has the option to settle conversions of these notes with cash, shares of common stock or a combination of cash and common stock at its election.  The Company’s intent is to settle the principal amount of the 2020 Convertible Senior Notes in cash upon conversion.  At maturity, the Company must settle all outstanding 2020 Convertible Senior Notes in cash.  The Company’s business plan includes the intent to settle the outstanding 2020 Convertible Senior Notes using borrowings under its credit agreement.  Accordingly, the outstanding balance has been classified as long-term debt in the consolidated balance sheet as of December 31, 2019.2020.

Upon issuance, the Company separately accounted for the liability and equity components of the 2020 Convertible Senior Notes.  The liability component was recorded at the estimated fair value of a similar debt instrument without the conversion feature.  The difference between the principal amount of the 2020 Convertible Senior Notes and the estimated fair value of the liability component was recorded as a debt discount and is being amortized to interest expense over the term of the notes using the effective interest method, with an effective interest rate of 5.6% per annum.  The fair value of the liability component of the 2020 Convertible Senior Notes as of the issuance date was estimated at $1.0 billion, resulting in a debt discount at inception of $238 million.  The equity component, representing the value of the conversion option, was computed by deducting the fair value of the liability component from the initial proceeds of the 2020 Convertible Senior Notes issuance.  This equity component was recorded, net of deferred taxes and issuance costs, in additional

83

paid-in capital within shareholders’ equity, and will not be remeasured as long as it continues to meet the conditions for equity classification.

Transaction costs related to the 2020 Convertible Senior Notes issuance were allocated to the liability and equity components based on their relative fair values.  Issuance costs attributable to the liability component were recorded as a reduction to the carrying value of long-term debt on the consolidated balance sheet and are being amortized to interest expense over the term of the notes using the effective interest method.  Issuance costs attributable to the equity component were recorded as a charge to additional paid-in capital within shareholders’ equity.

The 2020 Convertible Senior Notes consisted of the following at December 31, 2019 and 2018 (in thousands):

December 31,

    

2019

    

2018

Liability component

Principal

$

262,075

$

562,075

Less: unamortized note discount

(2,829)

(29,504)

Less: unamortized debt issuance costs

(220)

(2,340)

Net carrying value

$

259,026

$

530,231

Equity component (1)

$

128,452

$

136,522

(1)Recorded in additional paid-in capital, net of $5 million of issuance costs and $50 million of deferred taxes as of December 31, 2019 and 2018.

Interest expense recognized on the 2020 Convertible Senior Notes related to the stated interest rate and amortization of the debt discount totaled $26 million, $29$1 million and $28$26 million for the years2020 Predecessor Period and the year ended December 31, 2019, 2018respectively.

Repurchases of 2021 Senior Notes.  In September and 2017, respectively.

Security and Guarantees

TheOctober 2019, the Predecessor paid $96 million to repurchase $100 million aggregate principal amount of the 2021 Senior Notes, and the 2020 Convertible Senior Notes are unsecured obligations of Whiting Petroleum Corporation and these unsecured obligations are subordinated to allwhich payment consisted of the Company’s secured indebtedness, which consists of Whiting Oilaverage 95.279% purchase price plus all accrued and Gas’ credit agreement.

unpaid interest on the notes.  The Company’s obligationsCompany financed the repurchases with borrowings under the Senior Notes and the 2020 Convertible Senior Notes are guaranteed by the Company’s 100%-owned subsidiaries, Whiting Oil and Gas, Whiting US Holding Company, Whiting Canadian Holding Company ULC and Whiting Resources Corporation (the “Guarantors”).  These guarantees are full and unconditional and joint and several among the Guarantors.  Any subsidiaries other than these Guarantors are minor subsidiaries as defined by Rule 3-10(h)(6) of Regulation S-XPredecessor Credit Agreement.  As a result of the SEC.  Whiting Petroleum Corporation has no assets or operations independentrepurchases, the Company recognized a $1 million gain on extinguishment of this debt during the year ended December 31, 2019, which included a non-cash charge for the acceleration of unamortized debt issuance costs and its investments in its consolidated subsidiaries.debt premium on the notes.

6.8.        ASSET RETIREMENT OBLIGATIONS

The Company’s asset retirement obligations represent the present value of estimated future costs associated with the plugging and abandonment of oil and gas wells, removal of equipment and facilities from leased acreage, and land restoration (including removal of certain onshore and offshore facilities in California) in accordance with applicable local, state and federal laws and the terms of the Company’s lease agreements.  The current portions as of December 31, 20192021 and 20182020 were $4$10 million and $6 million, respectively, and have been included in accrued liabilities and other in the consolidated balance sheets.  The following table provides a reconciliation of the Company’s asset retirement obligations for the periods presented (in thousands):

8491

accrued liabilities and other in the consolidated balance sheets.  The following table provides a reconciliation of the Company’s asset retirement obligations for the years ended December 31, 2019 and 2018 (in thousands):

December 31,

2019

2018

Asset retirement obligation at January 1

$

135,834

$

134,237

Additional liability incurred

2,097

11,981

Revisions to estimated cash flows

(10,945)

(17,197)

Accretion expense

11,602

11,405

Obligations on sold properties

(2,078)

(676)

Liabilities settled

(1,617)

(3,916)

Asset retirement obligation at December 31

$

134,893

$

135,834

Asset retirement obligation at January 1, 2020 (Predecessor)

$

134,893

Additional liability incurred

76

Revisions to estimated cash flows

56,702

Accretion expense

8,199

Obligations on sold properties

(693)

Liabilities settled (1)

(42,854)

Asset retirement obligation at August 31, 2020 (Predecessor)

156,323

Fresh start adjustment (2)

(29,582)

Asset retirement obligation at September 1, 2020 (Successor)

126,741

Additional liability incurred

20

Revisions to estimated cash flows

(30,623)

Accretion expense

3,801

Liabilities settled

(1,809)

Asset retirement obligation at December 31, 2020 (Successor)

98,130

Additional liability incurred or assumed

4,348

Revisions to estimated cash flows

26,605

Accretion expense

8,237

Obligations on sold properties

(29,251)

Liabilities settled

(4,002)

Asset retirement obligation at December 31, 2021 (Successor)

$

104,067

(1)A portion of the Predecessor’s asset retirement obligations related to a contractual obligation to remove certain offshore facilities in California.  The Company included the related contract in its schedule of rejected contracts as part of the Plan, and the related amounts of the obligations were included in liabilities subject to compromise in the consolidated balance sheets of the Predecessor as of August 31, 2020.  A final ruling from the Bankruptcy Court on the rejection of this contract has not yet been issued.  Refer to the “Fresh Start Accounting” and “Commitments and Contingencies” footnotes under the heading “Chapter 11 Cases—Arguello Inc. and Freeport-McMoRan Oil & Gas LLC” for additional information.
(2)Refer to the “Fresh Start Accounting” footnote for more information on fresh start adjustments.

7.9.        DERIVATIVE FINANCIAL INSTRUMENTS

The Company is exposed to certain risks relating to its ongoing business operations, and it uses derivative instruments to manage its commodity price risk.  In addition, the Company periodically enters into contracts that contain embedded features which are required to be bifurcated and accounted for separately as derivatives.

Commodity Derivative ContractsHistorically, prices received for crude oil, natural gas and natural gas liquids production have been volatile because of supply and demand factors, worldwide political factors, general economic conditions and seasonal weather patterns.  Whiting primarily enters into derivative contracts such as crude oil, natural gas and NGL swaps, collars, basis swaps and options, as well as sales and delivery contracts,differential swaps to achieve a more predictable cash flow by reducing its exposure to commodity price volatility, thereby ensuring adequate funding for the Company’s capital programs and facilitating the management of returns on drilling programs and acquisitions.  The Company also enters into derivative contracts to maintain its compliance with certain minimum hedging requirements contained in the Credit Agreement.  Refer to the “Long-Term Debt” footnote for a detailed discussion of the minimum and maximum hedging requirements of the Credit Agreement.  The Company does not enter into derivative contracts for speculative or trading purposes.

Crude OilSwaps, Collars, Basis Swaps and Options.Differential Swaps.  CollarsSwaps establish a fixed price for anticipated future oil, gas or NGL production, while collars are designed to establish floor and ceiling prices on anticipated future oil or gasproduction.  Basis and differential swaps mitigate risk associated with anticipated future production while swaps and options establishby establishing a fixed differential between NYMEX prices and the index price for anticipated future oil or gas production.referenced in the contract.  While the use of these derivative instruments limits the downside risk of adverse price movements, theyit may also limit future revenuesincome from favorable price movements.

The table below details the Company’s collar, swap and option derivatives entered into to hedge forecasted crude oil production revenues as of December 31, 2019.

Weighted Average Prices

Commodity

Settlement Period

Index

Derivative Instrument

Contracted Crude Oil Volumes (Bbl)(1)

Swap Price

Sub-Floor

Floor

Ceiling

Crude Oil

2020

NYMEX WTI

Fixed Price Swaps

4,883,000

$57.57

-

-

-

Crude Oil

2020

NYMEX WTI

Two-way Collars

1,648,000

-

-

$54.33

$61.77

Crude Oil

2020

NYMEX WTI

Three-way Collars (2)

3,658,000

-

$43.50

$54.00

$63.63

Crude Oil

2021

NYMEX WTI

Three-way Collars (2)

1,095,000

-

$42.50

$52.50

$59.08

Crude Oil

2021

NYMEX WTI

Call Option (3)

365,000

-

-

-

$65.00

Total

11,649,000

92

(1)Subsequent to December 31, 2019, the Company entered into additional two-way collars for 1,373,000 Bbl of crude oil volumes for the remainder of 2020 and additional three-way collars for 730,000 Bbl of crude oil volumes for 2021.
(2)The Company is contracted to pay deferred premiums related to certain three-way collars at each settlement date.  The weighted average premium for all three-way collars was $0.56 per Bbl as of December 31, 2019.
(3)This derivative instrument is a sold call option.

85

Crude Oil SalesThe table below details the Successor’s swap and Delivery Contract.  The Company had a long-termcollar derivatives entered into to hedge forecasted crude oil, salesnatural gas and delivery contract for oil volumes produced from its Redtail field in Colorado.  Whiting determined that this contract would not qualify for the “normal purchase normal sale” exclusion and therefore reflected the contract at fair value in the consolidated financial statements prior to settlement.  On February 1, 2018, Whiting paid $61 million to the counterparty to settle all future minimum volume commitments under this agreement.  Accordingly, this crude oil sales and delivery contract was fully terminated and the fair value of the corresponding derivative was therefore 0NGL production revenues as of that date.December 31, 2021.

Weighted Average

Settlement Period

Index

Derivative Instrument

Total Volumes

Units

Swap Price

Floor

Ceiling

Crude Oil

2022

NYMEX WTI

Fixed Price Swaps

2,275,000

Bbl

$69.29

-

-

2022

NYMEX WTI

Two-way Collars

11,204,000

Bbl

-

$47.07

$57.59

Q1-Q3 2023

NYMEX WTI

Two-way Collars

3,443,500

Bbl

-

$46.75

$58.87

Total

16,922,500

Natural Gas

2022

NYMEX Henry Hub

Fixed Price Swaps

8,009,000

MMBtu

$3.24

-

-

2022

NYMEX Henry Hub

Two-way Collars

17,304,000

MMBtu

-

$2.70

$3.32

Q1-Q3 2023

NYMEX Henry Hub

Two-way Collars

6,999,000

MMBtu

-

$2.42

$2.94

Total

32,312,000

Natural Gas Basis (1)

Q1-Q2 2022

NNG Ventura to NYMEX

Fixed Price Swaps

6,230,000

MMBtu

$0.51

-

-

Q1-Q2 2023

NNG Ventura to NYMEX

Fixed Price Swaps

4,740,000

MMBtu

$0.20

-

-

Total

10,970,000

NGL - Propane

2022

Mont Belvieu

Fixed Price Swaps

19,110,000

Gallons

$1.08

-

-

2022

Conway

Fixed Price Swaps

19,110,000

Gallons

$1.17

-

-

Total

38,220,000

(1)The weighted average price associated with the natural gas basis swaps shown in the table above represents the average fixed differential to NYMEX as stated in the related contracts, which is compared to the Northern Natural Gas Ventura Index (“NNG Ventura”) for each period.  If NYMEX combined with the fixed differential as stated in each contract is higher than the NNG Ventura index price at any settlement date, the Company receives the difference.  Conversely, if the NNG Ventura index price is higher than NYMEX combined with the fixed differential, the Company pays the difference.

Embedded DerivativesIn July 2016,Subsequent to December 31, 2021, the Company entered into additional crude oil, natural gas, natural gas basis and NGL swaps for 2022 and the first quarter of 2023.  The table below details the Company’s additional derivative contracts entered into through February 17, 2022.

Weighted Average

Settlement Period

Index

Derivative Instrument

Total Volumes

Units

Swap Price

Floor

Ceiling

Crude Oil

2022

NYMEX WTI

Fixed Price Swaps

796,000

Bbl

$72.14

-

-

Q1 2023

NYMEX WTI

Fixed Price Swaps

810,000

Bbl

$75.14

-

-

Total

1,606,000

Natural Gas

Q2-Q4 2022

NYMEX Henry Hub

Fixed Price Swaps

3,660,000

MMBtu

$4.03

-

-

Q1 2023

NYMEX Henry Hub

Fixed Price Swaps

1,800,000

MMBtu

$4.25

-

-

Total

5,460,000

Natural Gas Basis

Q4 2022

NNG Ventura to NYMEX

Fixed Price Swaps

620,000

MMBtu

$1.17

-

-

Q1 2023

NNG Ventura to NYMEX

Fixed Price Swaps

1,180,000

MMBtu

$1.17

-

-

Total

1,800,000

NGL - Propane

Q2 2022

Mont Belvieu

Fixed Price Swaps

1,911,000

Gallons

$1.03

-

-

2022

Conway

Fixed Price Swaps

39,606,000

Gallons

$1.04

-

-

Total

41,517,000

Effect of Chapter 11 Cases—The commencement of the Chapter 11 Cases constituted a purchasetermination event with respect to the Predecessor’s then outstanding derivative instruments, which permitted the counterparties of such derivative instruments to terminate those derivatives.  Such termination events were not stayed under the Bankruptcy Code.  During April 2020, certain of the lenders under the Predecessor Credit Agreement elected to terminate their master ISDA agreements and sale agreementoutstanding derivatives with the buyerCompany

93

for aggregate settlement proceeds to the buyer agreedCompany of $145 million.  The proceeds from these terminations along with $13 million of March 2020 hedge settlement proceeds received in April 2020 were applied to the outstanding borrowings under the Predecessor Credit Agreement.  An additional $23 million of settlement proceeds from terminated derivative positions were held in escrow until the completion of the Chapter 11 Cases.  On the Emergence Date, these funds were released from restrictions and the proceeds were used to pay Whiting additional proceedsdown a portion of $100,000 for every $0.01 that, as of June 28, 2018, the average NYMEX crude oil futures contract price for each month from August 2018 through July 2021 is above $50.00/Bbl up to a maximum amount of $100 million.  The Company determined that this NYMEX-linked contingent payment was not clearly and closely related toborrowings outstanding on the host contract, and the Company therefore bifurcated this embedded feature and reflected it at its estimated fair value in the consolidated financial statements.  On July 19, 2017, the buyer paid $35 million to Whiting to settle this NYMEX-linked contingent payment, and accordingly, the embedded derivative’s fair value was 0 as of December 31, 2019 and 2018.Predecessor Credit Agreement.

Derivative Instrument ReportingAll derivative instruments are recorded in the consolidated financial statements at fair value, other than derivative instruments that meet the “normal purchase normal sale” exclusion or other derivative scope exceptions.  The following table summarizesexclusion.  Fair value gains and losses on the effects ofCompany’s derivative instruments onare recognized immediately in earnings as derivatives (gain) loss, net in the consolidated statements of operations for the years ended December 31, 2019, 2018 and 2017 (in thousands):

Loss Recognized in Income

Not Designated as

Statement of Operations

Year Ended December 31,

ASC 815 Hedges

    

Classification

    

2019

    

2018

2017

Commodity contracts

Derivative loss, net

$

53,769

$

17,170

$

104,138

Embedded derivatives

Loss on sale of properties

-

-

18,709

Total

$

53,769

$

17,170

$

122,847

operations.

Offsetting of Derivative Assets and Liabilities.  The Company nets its financial derivative instrument fair value amounts executed with the same counterparty pursuant to ISDA master agreements, which provide for net settlement over the term of the contract and in the event of default or termination of the contract.  The following tables summarize the location and fair value amounts of all the Company’sSuccessor’s derivative instruments in the consolidated balance sheets, as well as the gross recognized derivative assets, liabilities and amounts offset in the consolidated balance sheets (in thousands):

December 31, 2019 (1)

Net

Gross

Recognized

Recognized

Gross

Fair Value

Not Designated as 

Assets/

Amounts

Assets/

ASC 815 Hedges

    

Balance Sheet Classification

    

Liabilities

    

Offset 

    

Liabilities

Derivative assets

Commodity contracts - current

Derivative assets

$

75,654

$

(74,768)

$

886

Commodity contracts - non-current

Other long-term assets

5,648

(5,648)

-

Total derivative assets

$

81,302

$

(80,416)

$

886

Derivative liabilities

Commodity contracts - current

Accrued liabilities and other

$

85,053

$

(74,768)

$

10,285

Commodity contracts - non-current

Other long-term liabilities

6,534

(5,648)

886

Total derivative liabilities

$

91,587

$

(80,416)

$

11,171

December 31, 2021 (1)

Net

Gross

Recognized

Recognized

Gross

Fair Value

Not Designated as 

Assets/

Amounts

Assets/

ASC 815 Hedges

    

Balance Sheet Classification

    

Liabilities

    

Offset

    

Liabilities

Derivative Assets

Commodity contracts - current

Prepaid expenses and other

$

34,375

$

(31,002)

$

3,373

Commodity contracts - non-current

Other long-term assets

13,674

(13,674)

-

Total derivative assets

$

48,049

$

(44,676)

$

3,373

Derivative Liabilities

Commodity contracts - current

Derivative liabilities

$

240,655

$

(31,002)

$

209,653

Commodity contracts - non-current

Long-term derivative liabilities

60,394

(13,674)

46,720

Total derivative liabilities

$

301,049

$

(44,676)

$

256,373

86

December 31, 2018 (1)

December 31, 2020 (1)

Net

Net

Gross

Recognized

Gross

Recognized

Recognized

Gross

Fair Value

Recognized

Gross

Fair Value

Not Designated as

Assets/

Amounts

Assets/

Assets/

Amounts

Assets/

ASC 815 Hedges

    

Balance Sheet Classification

    

Liabilities

    

Offset 

    

Liabilities

    

Balance Sheet Classification

    

Liabilities

    

Offset

    

Liabilities

Derivative assets

Derivative Assets

Commodity contracts - current

Derivative assets

$

69,735

$

(1,393)

$

68,342

Prepaid expenses and other

$

14,287

$

(14,287)

$

-

Commodity contracts - non-current

Other long-term assets

19,991

(19,991)

-

Total derivative assets

$

69,735

$

(1,393)

$

68,342

$

34,278

$

(34,278)

$

-

Derivative liabilities

Derivative Liabilities

Commodity contracts - current

Accrued liabilities and other

$

1,393

$

(1,393)

$

-

Derivative liabilities

$

63,772

$

(14,287)

$

49,485

Commodity contracts - non-current

Long-term derivative liabilities

29,741

(19,991)

9,750

Total derivative liabilities

$

1,393

$

(1,393)

$

-

$

93,513

$

(34,278)

$

59,235

(1)BecauseAll of the counterparties to the Company’s financial derivative contracts subject to master netting arrangements are lenders under Whiting Oil and Gas’ credit agreement,the Credit Agreement, which eliminates itsthe need to post or receive collateral associated with its derivative positions other than that already provided under the Credit Agreement.  Therefore, columns for cash collateral pledged or received have not been presented in these tables.

Contingent Features in Financial Derivative Instruments.  None of the Company’s derivative instruments contain credit-risk-related contingent features.  Counterparties to the Company’s financial derivative contracts are high credit-quality financial institutions that are lenders under Whiting’s credit agreement.the Credit Agreement.  The Company uses only credit agreementCredit Agreement participants toas hedge with,counterparties, since these institutions are secured equally with the holders of Whiting’s bank debt,credit facility, which eliminates the potential need to post additional collateral when Whiting is in a derivative liability position.  As a result, the Company is not required to post letters of credit or corporate guarantees for its derivative counterparties in order to secure contract performance obligations.

8.        FAIR VALUE MEASUREMENTS

The Company follows FASB ASC Topic 820 – Fair Value Measurement and Disclosure which establishes a three-level valuation hierarchy for disclosure of fair value measurements.  The valuation hierarchy categorizes assets and liabilities measured at fair value into one of three different levels depending on the observability of the inputs employed in the measurement.  The three levels are defined as follows:

Level 1:  Quoted Prices in Active Markets for Identical Assets – inputs to the valuation methodology are quoted prices (unadjusted) for identical assets or liabilities in active markets.
Level 2:  Significant Other Observable Inputs – inputs to the valuation methodology include quoted prices for similar assets and liabilities in active markets, and inputs that are observable for the asset or liability, either directly or indirectly, for substantially the full term of the financial instrument.
Level 3:  Significant Unobservable Inputs – inputs to the valuation methodology are unobservable and significant to the fair value measurement.

A financial instrument’s categorization within the valuation hierarchy is based upon the lowest level of input that is significant to the fair value measurement.  The Company’s assessment of the significance of a particular input to the fair value measurement in its entirety requires judgment and considers factors specific to the asset or liability.  

Cash, cash equivalents, accounts receivable and accounts payable are carried at cost, which approximates their fair value because of the short-term maturity of these instruments.  The Company’s credit agreement has a recorded value that approximates its fair value since its variable interest rate is tied to current market rates and the applicable margins represent market rates.94

87

The Company’s senior notes10.        FAIR VALUE MEASUREMENTS

Cash, cash equivalents, restricted cash, accounts receivable and accounts payable are recordedcarried at cost, which approximates their fair value because of the short-term maturity of these instruments.  The Credit Agreement has a recorded value that approximates its fair value since its variable interest rate is tied to current market rates and the convertible senior notes are recorded at fair value at the date of issuance.  The following table summarizes the fair values and carrying values of these instruments as of December 31, 2019 and 2018 (in thousands):applicable margins represent market rates.

December 31, 2019

December 31, 2018

Fair

Carrying

Fair

Carrying

    

Value (1)

    

Value (2)

    

Value (1)

    

Value (2)

1.25% Convertible Senior Notes due 2020

$

260,214

$

259,026

$

531,161

$

530,231

5.75% Senior Notes due 2021

732,995

772,080

829,929

870,545

6.25% Senior Notes due 2023

343,989

405,392

375,632

404,659

6.625% Senior Notes due 2026

681,250

988,387

865,000

986,886

Total

$

2,018,448

$

2,424,885

$

2,601,722

$

2,792,321

(1)Fair values are based on quoted market prices for these debt securities, and such fair values are therefore designated as Level 1 within the valuation hierarchy.
(2)Carrying values are presented net of unamortized debt issuance costs and debt discounts or premiums.

The Company’s derivative financial instruments are recorded at fair value and include a measure of the Company’s own nonperformance risk or that of its counterparty, as appropriate.  The following tables present information about the Company’s financial assets and liabilities measured at fair value on a recurring basis as of December 31, 20192021 and 2018,2020 (Successor), and indicate the fair value hierarchy of the valuation techniques utilized by the Company to determine such fair values (in thousands):

Total Fair Value

Total Fair Value

    

Level 1

    

Level 2

    

Level 3

    

December 31, 2019

    

Level 1

    

Level 2

    

Level 3

    

December 31, 2021

Financial Assets

Commodity derivatives – current

$

-

$

886

$

-

$

886

$

-

$

3,373

$

-

$

3,373

Total financial assets

$

-

$

886

$

-

$

886

$

-

$

3,373

$

-

$

3,373

Financial Liabilities

Commodity derivatives – current

$

-

$

10,285

$

-

$

10,285

$

-

$

209,653

$

-

$

209,653

Commodity derivatives – non-current

-

886

-

886

-

46,720

-

46,720

Total financial liabilities

$

-

$

11,171

$

-

$

11,171

$

-

$

256,373

$

-

$

256,373

Total Fair Value

    

Level 1

    

Level 2

    

Level 3

    

December 31, 2018

Financial Assets

Commodity derivatives – current

$

-

$

68,342

$

-

$

68,342

Total financial assets

$

-

$

68,342

$

-

$

68,342

Total Fair Value

    

Level 1

    

Level 2

    

Level 3

    

December 31, 2020

Financial Liabilities

Commodity derivatives – current

$

-

$

49,485

$

-

$

49,485

Commodity derivatives – non-current

-

9,750

-

9,750

Total financial liabilities

$

-

$

59,235

$

-

$

59,235

The following methods and assumptions were used to estimate the fair values of the Company’s financial assets and liabilities that are measured on a recurring basis:

Commodity Derivatives.  Commodity derivative instruments consist mainly of swaps, collars, basis swaps and optionsdifferential swaps for crude oil.oil, natural gas and NGLs.  The Company’s swaps, collars swaps and optionsbasis swaps are valued based on an income approach.  Both the option and swap models consider various assumptions, such as quoted forward prices for commodities, time value and volatility factors.  These assumptions are observable in the marketplace throughout the full term of the contract, can be derived from observable data or are supported by observable levels at which transactions are executed in the marketplace and are therefore designated as Level 2 within the valuation hierarchy.  The discount rates used in the fair values of these instruments include a measure of either the Company’s or the counterparty’s nonperformance risk, as appropriate.  The Company utilizes its counterparties’ valuations to assess the reasonableness of its own valuations.

In addition, the Company had a long-term crudeNon-recurring Fair Value MeasurementsNonfinancial assets and liabilities, such as oil sales and delivery contract, whereby it had committed to deliver certain fixed volumes of crude oil produced from its Redtail field in Colorado.  Whiting determined that the contract did not meet the “normal purchase normal sale” exclusion,natural gas properties and therefore reflected this contractasset retirement obligations, are recognized at fair value in its consolidated financial statements prior to settlement.  This commodity derivative was valued based on a probability-weighted income approach which considered various assumptions, including quoted spot prices for commodities, market differentials for crude oil, U.S. Treasury ratesnonrecurring basis.  These assets and eitherliabilities are not measured at fair value on an ongoing basis but are subject to fair value adjustments only in certain circumstances, such as the initial measurement or when an impairment occurs.  The Company did not recognize any impairment write-downs with respect to its proved properties during 2021, the 2020 Successor Period or the year ended December 31, 2019 (Predecessor).  The following tables present information about the Company’s non-financial assets measured at fair value on a non-recurring basis during the 2020 Predecessor Period, and indicate the fair value hierarchy of the valuation techniques utilized by the Company to determine such fair values (in thousands):

Predecessor

Net Carrying

Value as of

Loss (Before Tax)

March 31,

Fair Value Measurements Using

Three Months Ended

    

2020

    

Level 1

    

Level 2

    

Level 3

    

March 31, 2020

Proved property (1)

$

816,234

$

-

$

-

$

816,234

$

3,732,096

(1)During the first quarter of 2020, certain proved oil and gas properties across the Company’s Williston Basin resource play with a previous carrying amount of $4.5 billion were written down to their fair value as of March 31, 2020 of $816 million, resulting in a non-cash impairment charge of $3.7 billion, which was recorded within exploration and impairment expense.  These impaired

95

88

Company’s or the counterparty’s nonperformance risk, as appropriate.  The assumptions used in the valuation of the crude oil sales and delivery contract included certain market differential metrics that were unobservable during the term of the contract.  Such unobservable inputs were significant to the contract valuation methodology, and the contract’s fair value was therefore designated as Level 3 within the valuation hierarchy.  On February 1, 2018, Whiting paid $61 million to the counterparty to settle all future minimum volume commitments under this agreement.  Accordingly, this derivative was settled in its entirety as of that date.

Level 3 Fair Value MeasurementsThe Company did not have any amounts designated as Level 3 in the valuation hierarchy as of and for the year ended December 31, 2019.  The following table presents a reconciliation of changes in the fair value of financial liabilities designated as Level 3 in the valuation hierarchy for the year ended December 31, 2018 (in thousands):

Year Ended

Decemberproperties were written down due to a reduction in anticipated future cash flows primarily driven by an expectation of sustained depressed oil prices and a resultant decline in future development plans for the properties assessed as of March 31, 2018

Fair value liability, beginning of period

2020.

$

(63,278)

Unrealized gains on commodity derivative contracts included in earnings (1)

2,242

Settlement of commodity derivative contracts

61,036

Transfers into (out of) Level 3

-

Fair value liability, end of period

$

-

Predecessor

Net Carrying

Value as of

Loss (Before Tax)

June 30,

Fair Value Measurements Using

Six Months Ended

    

2020

    

Level 1

    

Level 2

    

Level 3

    

June 30, 2020

Proved property (2)

$

85,418

$

-

$

-

$

85,418

$

409,079

(1)Included in derivative loss, net in the consolidated statements of operations.

Non-recurring Fair Value MeasurementsThe Company applies the provisions of the fair value measurement standard on a non-recurring basis to its non-financial assets and liabilities, including proved property.  These assets and liabilities are not measured at fair value on an ongoing basis but are subject to fair value adjustments only in certain circumstances.  The Company did 0t recognize any impairment write-downs with respect to its proved property during the years ended December 31, 2019 and 2018.  The following table presents information about the Company’s non-financial assets measured at fair value on a non-recurring basis for the year ended December 31, 2017, and indicates the fair value hierarchy of the valuation techniques utilized by the Company to determine such fair value (in thousands):

Loss (Before

Net Carrying

Tax) Year

Value as of

Ended

December 31,

Fair Value Measurements Using

December 31,

    

2017

    

Level 1

    

Level 2

    

Level 3

    

2017

Proved property (1)

$

389,390

$

-

$

-

$

389,390

$

834,950

(1)(2)During the fourthsecond quarter of 2017,2020, other proved oil and gas properties at the Redtail field in the Denver-JulesburgCompany’s Williston Basin (the “DJ Basin”) in Weld County, Colorado,resource play with a previous carrying amount of $1.2 billion$494 million were written down to their fair value as of December 31, 2017June 30, 2020 of $389$85 million, resulting in a non-cash impairment charge of $835$409 million, which was recorded within exploration and impairment expense.  These impaired properties were written down due to a reduction in anticipated future cash flows primarily driven by an expectation of sustained depressed oil prices and a resultant decline in future development plans for the properties assessed as of June 30, 2020.

The following methods and assumptions were used to estimate the fair values of the non-financial assets in the table above:

Predecessor Proved Property Impairments.  The Company tests proved property for impairment whenever events or changes in circumstances indicate that the fair value of these assets may be reduced below their carrying value.  Based on well performance resultsAs a result of the significant decrease in the DJ Basin,forward price curves for crude oil and natural gas during the first and second quarters of 2020, the associated decline in anticipated future cash flows and the resultant decline in future development plans for the properties, the Company reduced its reserves at its Redtail field during the fourth quarter of 2017, and performed a proved property impairment testtests as of DecemberMarch 31, 2017.2020 and June 30, 2020.  The fair value was ascribed using an income approach analyses based on the net discounted future cash flows from the producing propertyproperties and related assets.  The discounted cash flows were based on management’s expectations for the future.  Unobservable inputs included estimates of future oil and gas production from the Company’s reserve reports, commodity prices based on sales contract terms or forward strip price curves (adjusted for basis differentials), as of March 31, 2020 and June 30, 2020, operating and development costs, expected future development plans for the properties and a discount rate of 16% and 17% as of March 31, 2020 and June 30, 2020, respectively, based on the Company’sa weighted-average cost of capital (all of which were designated as Level 3 inputs within the fair value hierarchy).  The impairment testtests indicated that a proved property impairmentimpairments had occurred, and the Company therefore recorded a non-cash impairment chargecharges to reduce the carrying value of the impaired propertyproperties to itstheir fair value at DecemberMarch 31, 2017.2020 and June 30, 2020.

Chapter 11 Emergence and Fresh Start Accounting.  On the Emergence Date, the Company emerged from the Chapter 11 Cases and adopted fresh start accounting, which resulted in the Company becoming a new entity for financial reporting purposes.  Upon the adoption of fresh start accounting, the Company’s assets and liabilities were recorded at their fair values as of September 1, 2020. The inputs utilized in the valuation of the Company’s most significant asset, its oil and gas properties and related assets, included mostly unobservable inputs which fall within Level 3 of the fair value hierarchy.  Such inputs included estimates of future oil and gas production from the Company’s reserve reports, commodity prices based on forward strip price curves (adjusted for basis differentials) as of  September 1, 2020, operating and development costs, expected future development plans for the properties and a discount rate of 14% based on a weighted-average cost of capital.  The Company also recorded its asset retirement obligations at fair value as a result of fresh start accounting.  The inputs utilized in valuing the asset retirement obligations were mostly Level 3 unobservable inputs, including estimated economic lives of oil and natural gas wells as of the Emergence Date, anticipated future plugging and abandonment costs and an appropriate credit-adjusted risk free rate to discount such costs.  Refer to the “Fresh Start Accounting” footnote for a detailed discussion of the fair value approaches used by the Company.

Williston Basin Acquisition.  On September 14, 2021, the Company acquired interests in producing assets and undeveloped acreage in the Williston Basin, as further described in the “Acquisitions and Divestitures” footnote above.  The assets acquired and liabilities assumed were recorded at their fair values as of September 14, 2021.  The inputs utilized in the valuation of the oil and gas properties and related assets acquired included mostly unobservable inputs which fall within Level 3 of the fair value hierarchy.  Such inputs included estimates of future oil and gas production from the properties’ reserve reports, commodity prices based on forward strip price curves (adjusted for basis differentials) as of September 14, 2021, operating and development costs, expected future development plans for the properties and a discount rate of 11% based on a weighted-average cost of capital.  The Company also recorded the asset retirement obligations assumed at fair value.  The inputs utilized in valuing the asset retirement obligations were mostly Level 3 unobservable inputs, including estimated economic lives of oil and natural gas wells as of September 14, 2021, anticipated future plugging and abandonment costs and an appropriate credit-adjusted risk-free rate to discount such costs.

8996

9.        SHAREHOLDERS’ EQUITY AND NONCONTROLLING INTEREST

Common Stock

Reverse Stock Split.  On November 8, 2017 and following approval by the Company’s stockholders of an amendment to its certificate of incorporation to effect a reverse stock split, the Company’s Board of Directors approved a reverse stock split of Whiting’s common stock at a ratio of one-for-four and a reduction in the number of authorized shares of the Company’s common stock from 600,000,000 shares to 225,000,000.  Whiting’s common stock began trading on a split-adjusted basis on November 9, 2017 upon opening of the New York Stock Exchange trading day.  All share and per share amounts in these consolidated financial statements and related notes for periods prior to November 2017 have been retroactively adjusted to reflect the reverse stock split.

Noncontrolling Interest—The Company’s noncontrolling interest represented an unrelated third party’s 25% ownership interest in Sustainable Water Resources, LLC (“SWR”).  During the third quarter of 2017, the third party’s ownership interest in SWR was assigned back to SWR.  The table below summarizes the activity for the equity attributable to the noncontrolling interest (in thousands):

Year Ended

    

December 31, 2017

Balance at beginning of period

$

7,962

Net loss

(14)

Conveyance of ownership interest

(7,948)

Balance at end of period

$

-

10.11.        REVENUE RECOGNITION

The Company recognizes revenue in accordance with FASB ASC Topic 606 – Revenue from Contracts with Customers (“ASC 606”).  Revenue is recognized at the point in time at which the Company’s performance obligations under its commodity sales contracts are satisfied and control of the commodity is transferred to the customer.  The Company has determined that its contracts for the sale of crude oil, unprocessed natural gas, residue gas and NGLs contain monthly performance obligations to deliver product at locations specified in the contract.  Control is transferred at the delivery location, at which point the performance obligation has been satisfied and revenue is recognized.  Fees included in the contract that are incurred prior to control transfer are classified as transportation, gathering, compression and other, and fees incurred after control transfers are included as a reduction to the transaction price.  The transaction price at which revenue is recognized consists entirely of variable consideration based on quoted market prices less various fees and the quantity of volumes delivered.  The tabletables below presentspresent the disaggregation of revenue by product and transaction type for the years ended December 31, 2019 and 2018periods presented (in thousands):

December 31,

    

2019

    

2018

Successor

Predecessor

OPERATING REVENUES

Year Ended December 31, 2021

Four Months Ended December 31, 2020

Eight Months Ended August 31, 2020

Year Ended December 31, 2019

Oil sales

$

1,492,218

$

1,850,052

$

1,251,015

$

254,024

$

440,820

$

1,492,218

NGL and natural gas sales

80,027

231,362

260,822

19,334

18,184

80,027

Oil, NGL and natural gas sales

$

1,572,245

$

2,081,414

1,511,837

273,358

459,004

1,572,245

Purchased gas sales

21,644

-

-

-

Total operating revenues

$

1,533,481

$

273,358

$

459,004

1,572,245

Whiting receives payment for product sales from one to three months after delivery.  At the end of each month when the performance obligation is satisfied, the variable consideration can be reasonably estimated and amounts due from customers are accrued in accounts receivable trade, net in the consolidated balance sheets.  As of December 31, 20192021 and 2018,2020 (Successor), such receivable balances were $161$178 million and $165$88 million, respectively.  Variances between the Company’s estimated revenue and actual payments are recorded in the month the payment is received, however, differences have been and are insignificant.  Accordingly, the variable consideration is not constrained.

12.        SHAREHOLDERS’ EQUITY

Common StockOn the Emergence Date, the Successor filed an amended and restated certificate of incorporation with the Delaware Secretary of State to provide for, among other things, the authority to issue a total of 550,000,000 shares of all classes of capital stock, of which 500,000,000 shares are common stock, par value $0.001 per share (the “New Common Stock”) and 50,000,000 shares are preferred stock, par value $0.001 per share.

Upon emergence from the Chapter 11 Cases on the Emergence Date all existing shares of the Predecessor’s common stock were cancelled and the Successor issued 38,051,125 shares of New Common Stock.  Refer to the “Chapter 11 Emergence” and “Fresh Start Accounting” footnotes for more information.

WarrantsOn the Emergence Date and pursuant to the Plan, the Successor entered into warrant agreements with Computershare Inc. and Computershare Trust Company, N.A., as warrant agent, which provide for (i) the Successor’s issuance of up to an aggregate of 4,837,821 Series A warrants to acquire the New Common Stock (the “Series A Warrants”) to certain former holders of the Predecessor’s common stock and (ii) the Successor’s issuance of up to an aggregate of 2,418,910 Series B warrants to acquire New Common Stock (the “Series B Warrants” and together with the Series A Warrants, the “Warrants”) to certain former holders of the Predecessor’s common stock.  The Company has electedWarrants were recorded at fair value in additional paid-in capital upon issuance on the Emergence Date, as further detailed in the “Fresh Start Accounting” footnote.

The Series A Warrants are exercisable from the date of issuance until the fourth anniversary of the Emergence Date, at which time all unexercised Series A Warrants will expire and the rights of the holders of such warrants to utilizeacquire New Common Stock will terminate. The Series A Warrants are initially exercisable for one share of New Common Stock per Series A Warrant at an initial exercise price of $73.44 per Series A Warrant (the “Series A Exercise Price”).

The Series B Warrants are exercisable from the practical expedient in ASC 606date of issuance until the fifth anniversary of the Emergence Date, at which time all unexercised Series B Warrants will expire and the rights of the holders of such warrants to acquire New Common Stock will terminate.  The Series B Warrants are initially exercisable for one share of New Common Stock per Series B Warrant at an initial exercise price of $83.45 per Series B Warrant (the “Series B Exercise Price” and together with the Series A Exercise Price, the “Exercise Prices”).

In the event that statesa holder of Warrants elects to exercise their option to acquire shares of New Common Stock, the Company shall issue a net number of exercised shares of New Common Stock.  The net number of exercised shares is not required to disclosecalculated as (i) the transactionnumber of Warrants exercised multiplied by (ii) the difference between the 30-day daily volume weighted average price allocated to remaining performance obligations if the variable consideration is allocated entirely to a wholly unsatisfied performance obligation.  Under the Company’s contracts, each monthly delivery of product represents a separate performance obligation, therefore, future volumes are wholly unsatisfied, and disclosure(“VWAP”) of the transactionNew Common Stock leading up to the exercise date (the “Current Market Price”) and the relevant exercise price, allocatedcalculated as a percentage of the Current Market Price on the exercise date.

Pursuant to remaining performance obligations is not required.the warrant agreements, no holder of a Warrant, by virtue of holding or having a beneficial interest in a Warrant, will have the right to vote, receive dividends, receive notice as stockholders with respect to any meeting of stockholders for the election of Whiting’s directors or any other matter, or exercise any rights whatsoever as a stockholder of Whiting unless, until and only to the extent such holders become holders of record of shares of New Common Stock issued upon settlement of the Warrants.

9097

11.The number of shares of New Common Stock for which a Warrant is exercisable and the Exercise Prices are subject to adjustment from time to time upon the occurrence of certain events, including stock splits, reverse stock splits or stock dividends to holders of New Common Stock or a reclassification in respect of New Common Stock.

Settlement of Bankruptcy ClaimsPrior to the Chapter 11 Cases, WOG was party to various executory contracts with BNN Western, LLC, subsequently renamed Tallgrass Water Western, LLC (“Tallgrass”), including a Produced Water Gathering and Disposal Agreement (the “PWA”).  In January 2021, WOG and Tallgrass entered into a settlement agreement to resolve all of the related claims before the Bankruptcy Court relating to such executory contracts, terminated the PWA and entered into a new Water Transport, Gathering and Disposal Agreement.  In accordance with the settlement agreement, Whiting made a $2 million cash payment and issued 948,897 shares of New Common Stock pursuant to the confirmed Plan to a Tallgrass entity in February 2021.

As discussed in the “Chapter 11 Emergence” footnote, an additional 2,121,304 shares of New Common Stock remain reserved as of December 31, 2021 for potential future distribution to certain general unsecured claimants whose claim values are pending resolution in the Bankruptcy Court.

13.        STOCK-BASED COMPENSATION

Equity Incentive PlanThe Company maintainsAs discussed in the “Chapter 11 Emergence” and “Fresh Start Accounting” footnotes, on the Emergence Date and pursuant to the terms of the Plan, all of the Predecessor’s common stock and any unvested awards based on such common stock were cancelled and holders were issued an aggregate of 1,233,495 shares of Successor common stock on a pro rata basis.  On September 1, 2020, the Successor’s Board adopted the Whiting Petroleum Corporation 20132020 Equity Incentive Plan as amended and restated (the “2013“2020 Equity Plan”), which replaced the Whiting Petroleum Corporation 2003 Equity Incentive PlanPredecessor’s equity plan (the “2003“Predecessor Equity Plan”) and originally granted.  The 2020 Equity Plan provides the authority to issue 1,325,0004,035,885 shares of the Company’sSuccessor’s common stock.  During 2016, shareholders approved an amendment to the 2013 Equity Plan granting the authority to issue an additional 1,375,000 shares of the Company’s common stock.  In May 2019, shareholders approved an additional amendment to the 2013 Equity Plan granting the authority to issue an additional 3,000,000 shares of the Company’s common stock.  Upon shareholder approval of the 2013 Equity Plan, the 2003 Equity Plan was terminated.  The 2003 Equity Plan continues to govern awards that were outstanding as of the date of its termination, which awards remain in effect pursuant to their terms.  Any shares netted or forfeited under the 2003 Equity Plan and any shares forfeited under the 20132020 Equity Plan will be available for future issuance under the 20132020 Equity Plan.  However, shares netted for tax withholding under the 20132020 Equity Plan will be cancelled and will not be available for future issuance.  Under the amended and restated 20132020 Equity Plan, during any calendar year no officer or other key employee participant may be granted options or stock appreciation rights for more than 500,000 shares of common stock or more than 500,000 shares of restricted stock (“RSAs”), restricted stock units (“RSUs”), performance shares (“PSAs”) or performance share units (“PSUs”), the value of which is based on the fair market value of a share of common stock.  In addition, no non-employee director participant may be granted during any calendar year options or stock appreciation rights for more than 25,000 sharesawards having a grant date fair value in excess of common stock, or more than 25,000 shares of RSAs or RSUs.$500,000.  As of December 31, 2019, 3,698,9332021, 3,034,539 shares of common stock remained available for grant under the 20132020 Equity Plan.

TheHistorically, the Company grantshas granted service-based RSAsrestricted stock awards (“RSAs”) and RSUsrestricted stock units (“RSUs”) to executive officers and employees, which generally vest ratably over a three-yeartwo, three or five-year service period.  The Company also grantshas granted service-based RSAs and RSUs to directors, which generally vest over a one-year service period.  In addition, the Company grants PSAshas granted performance share awards (“PSAs”) and PSUsperformance share units (“PSUs”) to executive officers that are subject to market-based vesting criteria, which generally vest over a three-year service period.  Additionally, certain of the Company’s executive officers can receive shares for any short-term bonus awarded in excess of the targets set by the Board at the beginning of each year.  The Company accounts for forfeitures of awards granted under these plans as they occur in determining compensation expense.  The Company recognizes compensation expense for all awards subject to market-based vesting conditions regardless of whether it becomes probable that these conditions will be achieved or not, and compensation expense for share-settled awards is not reversed if vesting does not actually occur.

Successor Awards under 2020 Equity Plan

During 2019, 2018September and 2017, 467,055, 249,983 and 538,194October 2020, 89,021 shares respectively, of service-based RSAs and RSUs were granted to employees, executive officers and directors underdirectors.  The Company determines compensation expense for these share-settled awards using their fair value at the 2013 Equity Plan.grant date based on the closing bid price of the Company’s common stock on such date.  The weighted average grant date fair value of these RSUs was $17.47 per share.

In September 2020, 189,900 shares of market-based RSUs were granted to executive officers.  The awards vest upon the Successor’s common stock trading for 20 consecutive trading days above a certain daily VWAP as follows: 50% vested when the VWAP exceeded $32.57 per share, an additional 25% vested when the daily VWAP exceeded $48.86 per share and the final 25% vested when the daily VWAP exceeded $65.14 per share.  The Company recognizes compensation expense based on the fair value as determined by a Monte Carlo valuation model (the “Monte Carlo Model”) over the expected vesting period, which was estimated to be between 1.8 and 3.8 years at the grant date.  Upon vesting, any unrecognized compensation expense related to the shares is accelerated and recognized.  The weighted average grant date fair value of these RSUs was $6.54 per share.  More information on the inputs to the Monte Carlo Model are explained below.  During the year ended December 31, 2021, the first 75% of these awards vested as the Company’s VWAP exceeded both $32.57 and $48.86 per share for 20 consecutive trading days during the period.  On January 31, 2022, the remaining 25% of these awards vested as the Company’s VWAP exceeded $65.14 per share for 20 consecutive days as of that date.

98

During the year ended December 31, 2021, (i) 362,056 shares of service-based RSUs were granted to executive officers and employees, which vest ratably over either a two or three-year service period, (ii) 117,607 shares of service-based RSUs were granted to executive officers, which cliff vest on the fifth anniversary of the grant date and (iii) 23,730 shares of service-based RSUs were granted to the Board, which vest over a one-year period.  The Company determines compensation expense for these share-settled awards using their fair value at the grant date, which is based on the closing bid price of the Company’s common stock on such date.  The weighted average grant date fair value of service-based RSAs andserviced-based RSUs was $24.65 per share, $32.34 per share and $40.66$24.00 per share for the yearsyear ended December 31, 2019, 2018, and 2017, respectively.2021.

During 2019 and 2018, 774,665 and 308,432the year ended December 31, 2021, 232,150 shares respectively, of service-based RSUs were granted to employees under the 2013 Equity Plan. These awards will be settled in cash and are recorded as a liability in the consolidated balance sheets.  The Company determines compensation expense for cash-settled RSUs using the fair value at the end of each reporting period, which is based on the closing bid price of the Company’s common stock on such date.

During 2019 and 2018, 347,493 and 230,932 shares, respectively, of PSAs and PSUs subject to certain market-based vesting criteria were granted to executive officers under the 2013 Equity Plan.  Theofficers.  These market-based awards cliff vest onat the third anniversaryend of the grant date,performance period, which is December 31, 2023, and the number of shares that will vest at the end of that three-yearthe performance period is determined based on two performance goals: (i) 116,075 shares vest based on the rank of Whiting’s cumulativeCompany’s annualized absolute total stockholder return (“ATSR”) over the performance period as compared to certain preestablished target returns and (ii) 116,075 shares vest based on the Company’s relative total stockholder return (“RTSR”) compared to the stockholder returnreturns of a preestablished peer group of companies on each anniversary of the grant date over the three-year performance period.  The number of awards earned could range from 0 up to 2 times the number of shares initially granted.  However, awards earned up to the target shares granted, (or 100%)all of which will be settled in shares.  The weighted average grant date fair value of the market-based awards was $29.32 per share and $32.33 per share for the ATSR and RTSR awards, respectively, as determined by the Monte Carlo Model, which is described further below.

For awards subject to market conditions, the grant date fair value is estimated using the Monte Carlo Model, which is based on random projections of stock price paths and must be repeated numerous times to achieve a probabilistic assessment.  Expected volatility for the market-based RSUs was calculated based on the observed volatility of peer public companies.  Expected volatility for the market-based PSUs was calculated based on the historical and implied volatility of Whiting’s common shares while(adjusted for the impacts of the Chapter 11 Cases).  The risk-free interest rate is based on U.S. Treasury yield curve rates with maturities consistent with the vesting period for the relevant award.  

The key assumptions used in valuing these market-based awards earnedwere as follows:

2021

2020

    

PSUs

    

RSUs

Number of simulations

 

500,000

 

100,000

Expected volatility

81%

 

40%

Risk-free interest rate

0.17%

 

0.66%

Dividend yield

 

0

 

0

The following table shows a summary of the Company’s service-based and market-based awards activity for the year ended December 31, 2021:

Number of Awards

Weighted Average

ServiceBased

Market-Based

Market-Based

Grant Date

    

RSUs

    

RSUs

    

PSUs

    

Fair Value

Nonvested awards, December 31, 2020

 

89,021

 

189,900

-

$

10.03

Granted

 

503,393

 

-

232,150

 

26.15

Vested

 

(63,040)

 

(142,425)

-

 

10.11

Forfeited

 

(13,118)

 

-

-

 

24.39

Nonvested awards, December 31, 2021

 

516,256

 

47,475

232,150

$

24.67

During January 2022, certain executives received shares of common stock as part of their incentive compensation package which represented the portion of their 2021 short-term bonus that was in excess of their target bonus established by the target shares granted will be settledBoard at the beginning of the year, in cash.  The cash-settled component of suchaccordance with their employment agreements.  As the bonus amount was determined prior to December 31, 2021, the Company recorded approximately $1 million in stock compensation expense related to these awards isduring the year ended December 31, 2021, which was recorded as a liabilityto accrued liabilities and other in the Company’s consolidated balance sheets as of December 31, 2021.

The Company recognized $11 million and will$1 million in stock-based compensation expense during the year ended December 31, 2021 and the 2020 Successor Period, respectively.  As of December 31, 2021, there was $11 million of unrecognized compensation cost related to unvested awards granted under the 2020 Equity Plan.  That cost is expected to be remeasured atrecognized over a weighted average period of 2.3 years.

For the year ended December 31, 2021, the total fair value of the Company’s service-based and market-based awards vested was $9 million.

99

Predecessor Awards under Predecessor Equity Plan

During the eight months ended August 31, 2020 and the year ended December 31, 2019, 53,198 and 467,055 shares, respectively, of share-settled service-based RSAs and RSUs were granted to executive officers and directors.  The Company determined compensation expense for these awards using a Monte Carlo valuation modeltheir fair value at the grant date, which was based on the closing bid price of the Company’s common stock on such date.  The weighted average grant date fair value of these service-based RSAs and RSUs was $4.94 per share and $24.65 per share for the eight months ended August 31, 2020 and the year ended December 31, 2019, respectively.  On March 31, 2020, all of the RSAs issued to executive officers in 2020 were forfeited and concurrently replaced with cash incentives.  Refer to “2020 Compensation Adjustments” below for more information.

During the eight months ended August 31, 2020 and the year ended December 31, 2019, 1,616,504 and 774,665 shares, respectively, of cash-settled, service-based RSUs were granted to executive officers and employees.  The Company determined compensation expense for these awards using the fair value at the end of each reporting period.  period, which was based on the closing bid price of the Company’s common stock on such date.  On March 31, 2020, all of the RSUs issued to executive officers in 2020 were forfeited and concurrently replaced with cash incentives.  Refer to “2020 Compensation Adjustments” below for more information.

During 2017, 168,466the eight months ended August 31, 2020 and the year ended December 31, 2019, 1,665,153 and 347,493 shares, respectively, of PSAs and PSUs subject to certain market-based vesting criteria were granted to executive officers under the 2013 Equity Plan.officers.  These market-based awards were to cliff vest on the third anniversary of the grant date, however, on March 31, 2020, all of the PSAs and PSUs issued to executive officers in 2020 were forfeited and concurrently replaced with cash incentives.  Refer to “2020 Compensation Adjustments” below for more information.  

The grant date fair value of these PSAs and PSUs was estimated using the number of shares that will vest at the end of that three-year performance period is determinedMonte Carlo Model.  Expected volatility was calculated based on the rankhistorical volatility and implied volatility of Whiting’s cumulative stockholder return comparedcommon stock, and the risk-free interest rate was based on U.S. Treasury yield curve rates with maturities consistent with the three-year vesting period. The key assumptions used in valuing these market-based awards were as follows:

    

2020

2019

Number of simulations

 

2,500,000

 

2,500,000

Expected volatility

 

76.52%

72.95%

Risk-free interest rate

 

1.51%

2.60%

Dividend yield

 

0

 

0

The weighted average grant date fair value of the market-based awards that were to be settled in shares as determined by the Monte Carlo valuation model was $4.31 per share and $25.97 per share in the 2020 Predecessor Period and 2019, respectively.

For the eight months ended August 31, 2020 and the year ended December 31, 2019, the total fair value of the Company’s service-based and market-based awards vested was $1 million and $12 million, respectively.

Total stock-based compensation expense for Predecessor restricted stock awards for the eight months ended August 31, 2020 and the year ended December 31, 2019 was $3 million and $8 million, respectively.  As a result of the implementation of the Plan, the Company accelerated $4 million of expense related to unvested awards, which was recorded to reorganization items, net in the consolidated statements of operations during the 2020 Predecessor Period.  Refer to the stockholder return“Fresh Start Accounting” footnote for more information.

2020 Compensation Adjustments.  All of the RSAs, RSUs, PSAs and PSUs granted to executive officers in 2020 under the Predecessor Equity Plan were forfeited on March 31, 2020 and were replaced with cash retention incentives.  The cash retention incentives were subject to a service period and were subject to claw back provisions if an executive officer terminated employment for any reason other than a qualifying termination prior to the earlier of (i) the effective date of a peer groupplan of companiesreorganization approved under chapter 11 of the Bankruptcy Code or (ii) March 30, 2021.  The transactions were considered concurrent replacements of the stock compensation awards previously issued.  As such, the $12 million fair value of the awards, consisting of the after-tax value of the cash incentives, was capitalized and amortized over the same three-year period.period from the Petition Date to the Emergence Date, which amortization is included in general and administrative expenses in the consolidated statements of operations for the 2020 Predecessor Period.  The numberdifference between the cash and after-tax value of shares earned could range from 0 upthe cash retention incentives of approximately $9 million, which was not subject to 2 times the number of shares initially grantedclaw back provisions contained within the agreements, was expensed to general and will be settled entirelyadministrative expenses in shares.the 2020 Predecessor Period.

91100

For awards subject to market conditions, the grant date fair value is estimated using a Monte Carlo valuation model.  The Monte Carlo model is based on random projections of stock price paths and must be repeated numerous times to achieve a probabilistic assessment.  Expected volatility is calculated based on the historical volatility and implied volatility of Whiting’s common stock, and the risk-free interest rate is based on U.S. Treasury yield curve rates with maturities consistent with the three-year vesting period.  The key assumptions used in valuing these market-based awards were as follows:

    

2019

    

2018

2017

Number of simulations

 

2,500,000

 

2,500,000

2,500,000

Expected volatility

 

72.95%

72.80%

82.44%

Risk-free interest rate

 

2.60%

2.12%

1.52%

Dividend yield

 

 

The weighted average grant date fair value of the market-based awards that will be settled in shares as determined by the Monte Carlo valuation model was $25.97 per share, $27.28 per share and $63.04 per share in 2019, 2018 and 2017, respectively.

The following table shows a summary of the Company’s service-based and market-based awards activity for the year ended December 31, 2019:

Number of Awards

Weighted Average

ServiceBased

Market-Based

Grant Date

    

RSAs & RSUs

    

PSAs & PSUs

    

Fair Value

Nonvested awards, January 1

 

554,527

 

503,696

$

34.94

Granted

 

467,055

 

347,493

 

24.61

Vested

 

(383,908)

 

(98,581)

 

32.15

Forfeited

 

(170,172)

 

(304,221)

 

32.88

Nonvested awards, December 31

 

467,502

 

448,387

$

28.28

As of December 31, 2019, there was $13 million of total unrecognized compensation cost related to unvested awards granted under the stock incentive plans.  That cost is expected to be recognized over a weighted average period of 2.0 years. For the years ended December 31, 2019, 2018 and 2017, the total fair value of the Company’s service-based and market-based awards vested was $12 million, $16 million and $15 million, respectively.

Stock Options—Stock options may be granted to certain executive officers of the Company with exercise prices equal to the closing market price of the Company’s common stock on the grant date.  There were 0 stock options granted under the 2013 Equity Plan during 2019, 2018 or 2017.  The Company’s stock options vest ratably over a three-year service period from the grant date and are exercisable immediately upon vesting through the tenth anniversary of the grant date.

The following table shows a summary of the Company’s stock options outstanding as of December 31, 2019 as well as activity during the year then ended:

Weighted

Average

Weighted

Aggregate

Remaining

Average

Intrinsic

Contractual

Number of

Exercise Price

Value

Term

    

Options

    

per Share

    

(in thousands)

    

(in years)

Options outstanding at January 1

 

49,230

$

195.92

 

  

 

  

Granted

 

-

 

-

 

  

 

  

Exercised

 

-

 

-

$

-

 

  

Forfeited or expired

 

(6,270)

 

216.78

 

  

 

  

Options outstanding at December 31

 

42,960

$

192.88

$

-

 

2.2

Options vested at December 31

 

42,960

$

192.88

$

-

 

2.2

Options exercisable at December 31

 

42,960

$

192.88

$

-

 

2.2

92

There was 0 unrecognized compensation cost related to unvested stock option awards as of December 31, 2019.  For the year ended December 31, 2018, the aggregate intrinsic value of stock options exercised was $0.1 million.  There were 0 stock options exercised during the years ended December 31, 2019 or 2017.

Total stock-based compensation expense was $8 million, $18 million and $22 million for the years ended December 31, 2019, 2018 and 2017, respectively.

12.14.       INCOME TAXES

Income tax expense (benefit) consists of the following (in thousands):

Year Ended December 31,

Successor

Predecessor

    

2019

    

2018

    

2017

Year Ended December 31, 2021

Four Months Ended December 31, 2020

Eight Months Ended August 31, 2020

Year Ended December 31, 2019

Current income tax expense (benefit)

Current Income Tax Expense (Benefit)

Federal

$

-

$

-

$

(7,305)

$

878

$

-

$

(1,028)

$

-

State

-

-

14

32

-

-

-

Total current income tax benefit

-

-

(7,291)

Deferred income tax expense (benefit)

Foreign

-

2,463

3,746

-

Total current income tax expense

910

2,463

2,718

-

Deferred Income Tax Expense (Benefit)

Federal

2,140

(10,960)

(398,686)

-

-

-

2,140

State

(3,513)

12,333

(77,002)

-

-

-

(3,513)

Foreign

73,593

-

-

-

(14,501)

(59,092)

73,593

Total deferred income tax expense (benefit)

72,220

1,373

(475,688)

-

(14,501)

(59,092)

72,220

Total

$

72,220

$

1,373

$

(482,979)

$

910

$

(12,038)

$

(56,374)

$

72,220

Income tax expense (benefit) differed from amounts that would result from applying the U.S. statutory income tax rate (21% for the years ended December 31, 2019 and 2018 and 35% for the year ended December 31, 2017)of 21% to income before income taxes as follows (in thousands):

Year Ended December 31,

    

2019

    

2018

    

2017

U.S. statutory income tax expense (benefit)

$

(35,479)

$

72,211

$

(602,219)

State income taxes, net of federal benefit

(8,288)

14,324

(39,557)

Foreign tax expense

(147)

-

-

Valuation allowance

39,672

(87,774)

120,880

Federal tax reform

-

-

(42,033)

Impairment charge after enactment of federal tax reform

-

-

114,293

IRC Section 382 limitation

-

-

(45,899)

Market-based equity awards

910

2,215

7,003

Outside basis difference recognition

73,740

-

-

Other

1,812

397

4,553

Total

$

72,220

$

1,373

$

(482,979)

Successor

Predecessor

Year Ended December 31, 2021

Four Months Ended December 31, 2020

Eight Months Ended August 31, 2020

Year Ended December 31, 2019

Federal and State Tax Expense (Benefit)

U.S. statutory income tax expense (benefit)

$

90,051

$

5,676

$

(844,471)

$

(35,479)

State income taxes, net of federal benefit

13,883

724

(148,305)

(8,288)

Executive compensation

1,757

(765)

2,182

-

Reorganization costs

-

-

10,584

-

IRC Section 382 and other restructuring adjustments

(4,824)

549,323

5,433

-

State net operating loss adjustments due to subsidiary restructuring

-

25,864

-

-

Market-based equity awards

(1,442)

415

441

910

Other

(3,032)

(1,105)

(4,040)

1,812

Valuation allowance

(95,483)

(580,132)

977,148

39,672

Total federal and state tax expense (benefit)

910

-

(1,028)

(1,373)

Foreign Tax Expense (Benefit)

Foreign tax expense (benefit)

-

2,463

3,746

(147)

ASC 740-30-25-19 outside basis difference recognition

-

(14,501)

(59,092)

73,740

Total foreign tax expense (benefit)

-

(12,038)

(55,346)

73,593

Total

$

910

$

(12,038)

$

(56,374)

$

72,220

93101

The principal components of the Company’s deferred income tax assets and liabilities at December 31, 20192021 and 20182020 were as follows (in thousands):

Year Ended December 31,

Successor

    

2019

    

2018

December 31,

December 31,

Deferred income tax assets

    

2021

2020

Deferred Income Tax Assets

Net operating loss carryforward

$

944,709

$

873,646

$

301,532

$

248,835

Derivative instruments

2,451

-

59,678

14,119

Asset retirement obligations

32,152

32,546

24,548

23,390

Restricted stock compensation

2,033

5,603

1,988

123

EOR credit carryforwards

7,946

7,946

7,946

7,946

Lease obligations

14,463

-

4,681

9,409

Oil and gas properties

93,896

291,698

Other

12,847

10,777

1,459

5,011

Total deferred income tax assets

1,016,601

930,518

495,728

600,531

Less valuation allowance

(188,281)

(152,035)

(489,812)

(585,296)

Net deferred income tax assets

828,320

778,483

5,916

15,235

Deferred income tax liabilities

Oil and gas properties

805,989

740,933

Deferred Income Tax Liabilities

Trust distributions

10,517

15,479

1,439

6,061

Lease assets

10,993

-

4,477

9,174

Derivative instruments

-

16,375

Discount on convertible senior notes

674

7,069

Foreign outside basis difference

73,740

-

Total deferred income tax liabilities

901,913

779,856

5,916

15,235

Total net deferred income tax liabilities

$

73,593

$

1,373

$

-

$

-

The Company’s July 1, 2016 note exchange transactions triggered an ownership shift within the meaning of Section 382 of the Internal Revenue Code (“IRC”) dueSection 382 addresses company ownership changes and specifically limits the utilization of certain deductions and other tax attributes on an annual basis following an ownership change.  As a result of the chapter 11 reorganization and related transactions, the Successor experienced an ownership change within the meaning of IRC Section 382 on the Emergence Date.  This ownership change subjected certain of the Company’s tax attributes to the “deemed share issuance” that resulted from the note exchanges.an IRC Section 382 limitation.  The ownership shiftchanges and resulting annual limitation will limit Whiting’s usageresult in the expiration of certain of its net operating lossesloss carryforwards (“NOLs”) andor other tax creditsattributes otherwise available, with a corresponding decrease in the future.  Accordingly, the Company recognizedCompany’s valuation allowances on its deferred tax assets totaling $259 million. In the third quarter of 2017 there was a partial release of this valuation allowance in the amount of $41 million associated with built-on gains on the sale of the FBIR Assets.allowance.  

As of December 31, 2019,2021, the Company had federal NOL carryforwards of $3.4$3.3 billion, which is net of theare subject to IRC Section 382 limitation.limitations due to the Company incurring a Section 382 ownership event at the time of emergence from the Chapter 11 Cases.  The Company also has various state NOL carryforwards.currently estimates that approximately $2.2 billion of these federal NOLs will expire before they are able to be used.  The determination of the state NOL carryforwards is dependent upon apportionment percentages and state laws that can change from year to year and that can thereby impact the amount of such carryforwards.  If unutilized, the majority of the federal NOLs will expire between 2023 and 2037 and the state NOLs will expire between 20202022 and 2037.  Any federal NOLs generated in 2018 or subsequent do not expire.

EOR credits are a credit against federal income taxes for certain costs related to extracting high-cost oil, utilizing certain prescribed enhanced tertiary recovery methods.  As of December 31, 2019,2021, the Company had recognized aggregate EOR credits of $8 million.  As a result of thea IRC Section 382 limitation in July 2016, the Company recorded a full valuation allowance on these credits.

On December 22, 2017, Congress passed the Tax Cuts and Jobs Act (the “TCJA”).  The legislation significantly changed the U.S. corporate tax law by, among other things, lowering the U.S. corporate income tax rate from 35% to 21% beginning in January 2018, implementing a territorial tax system and imposing a repatriation tax on deemed repatriated earnings of foreign subsidiaries.  FASB ASC Topic 740 – Income Taxes requires companies to recognize the impact of the changes in tax law in the period of enactment.  The SEC subsequently issued Staff Accounting Bulletin No. 118, which allowed registrants to record provisional amounts during a one-year “measurement period” similar to that used to account for business combinations.  The Company did not recognize any measurement period adjustments during 2018 and its accounting for the TCJA was complete as of December 31, 2018.

Amounts recorded during the year ended December 31, 2017 related to the TCJA principally relate to the reduction in the U.S. corporate income tax rate to 21%, which resulted in (i) income tax expense of $51 million from the revaluation of the Company’s deferred tax assets and liabilities as of the date of enactment and (ii) an income tax benefit totaling $93 million related to a reduction in the Company’s existing valuation allowances.

94

Other elements of the TCJA that did not have an impact on the Company’s financial statements upon enactment of the TCJA, but may impact the Company’s income taxes in future periods include: (i) IRC Section 168(k) first-year optional bonus depreciation, (ii) repeal of the corporate alternative minimum tax, (iii) limitation on the usage of NOLs generated after 2017 to 80% of taxable income, (iv) additional limitations on certain meals and entertainment expenses, (v) repeal of the deduction for income attributable to domestic production activities, (vi) like-kind exchange limitations for property other than real property, (vii) ability to capitalize and amortize intangible drilling costs under IRC Section 59(e), and (viii) interest deduction limitations under IRC Section 163(j).  

In assessing the realizability of deferred tax assets (“DTAs”), management considers whether it is more likely than not that some portion, or all, of the Company’s DTAs will not be realized.  In making such determination, the Company considers all available positive and negative evidence, including future reversals of temporary differences, tax-planning strategies and projected future taxable income and results of operations.  If the Company concludes that it is more likely than not that some portion, or all, of its DTAs will not be realized, the tax asset is reduced by a valuation allowance.  At December 31, 2019,2021, the Company had a valuation allowance totaling $188 million, comprised of $138 million of NOL carryforward limitations under Section 382 of the IRC, $8 million of EOR credits, which will expire between 2023 and 2025, $1 million of short-term capital loss carryforwards that are not expected to be realized and a $41 million general valuation allowance against the Company’s net U.S. deferred tax assets.$490 million.

During the fourth quarter of 2019, the Company determined it no longer had the ability to indefinitely prevent the reversal of the outside basis difference related to Whiting Canadian Holding Company ULC, Whiting’s wholly owned subsidiary, which ownsat that time owned a portion of Whiting’s U.S. assets obtained through the acquisition of Kodiak Oil and Gas Corporation during 2014.  Accordingly, the Company revised its assessment related to noncurrent Canadian deferred taxes pursuant to ASC 740-30-25-17 and recognized a $74 million deferred tax liability as well as the same amount of deferred income tax expense as of and for the year ended December 31, 2019 (Predecessor) associated with the outside basis difference related to Whiting Canadian Holding Company ULC.

During 2018,the third quarter of 2020, the Company recorded an adjustmentpartially executed a legal entity restructuring plan to reduce administrative expenses and burden with a simplified corporate structure.  The final steps of the legal entity restructuring were completed during the fourth quarter of 2020, ultimately resulting with Whiting Oil & Gas, under its valuation allowance on DTAs totaling $30 million.  At December 31, 2018,parent Whiting Petroleum Corporation, holding all of the Company’s oil and gas operations.  As a result of impacts from fresh start accounting, the Company hadreduced its deferred tax liability for its outside basis difference related to Whiting Canadian Holding Company ULC and recorded a valuation allowance totaling $152tax benefit of $55 million comprisedduring the 2020 Predecessor Period.  As a result

102

of the IRC, $8restructuring, the Company reduced its deferred tax liability and recorded a tax benefit of $12 million during the 2020 Successor Period.  The Company paid Canadian cash taxes of EOR credits, which will expire between 2023 and 2025, $5$6 million during the fourth quarter of Canadian NOL carryforwards, which will expire between 2034 and 2035, and $1 million of short-term capital loss carryforwards that are not expected to be realized.2020.

As of December 31, 20192021 and 2018,2020, the Company did not0t have any uncertain tax positions.  For the years ended December 31, 2019, 2018 and 2017,periods presented, the Company did not0t recognize any interest or penalties with respect to unrecognized tax benefits, 0rnor did the Company have any such interest or penalties previously accrued.  The Company believes that it is reasonably possible that no increases to unrecognized tax benefits will occur in the next twelve months.

The Company files income tax returns in the U.S. federal jurisdiction and in various states, each with varying statutes of limitations.  The 20152018 through 20192020 tax years generally remain subject to examination by federal and state tax authorities.  Additionally, the Company has Canadian income tax filings which remain subject to examination by the related tax authorities for the 20142017 through 20192020 tax years.

95

13.15.       EARNINGS PER SHARE

The reconciliations between basic and diluted earnings (loss) per share are as follows (in thousands, except per share data):

Year Ended December 31,

Successor

Predecessor

    

2019

    

2018

2017

Year Ended December 31, 2021

Four Months Ended December 31, 2020

Eight Months Ended August 31, 2020

Year Ended December 31, 2019

Basic Earnings (Loss) Per Share

Net income (loss) attributable to common shareholders

$

(241,166)

$

342,494

$

(1,237,648)

Net income (loss)

$

427,906

$

39,073

$

(3,965,461)

$

(241,166)

Weighted average shares outstanding, basic

91,285

90,953

90,683

39,006

38,080

91,423

91,285

Earnings (loss) per common share, basic

$

(2.64)

$

3.77

$

(13.65)

$

10.97

$

1.03

$

(43.37)

$

(2.64)

Diluted Earnings (Loss) Per Share

Net income (loss) attributable to common shareholders

$

(241,166)

$

342,494

$

(1,237,648)

Net income (loss)

$

427,906

$

39,073

$

(3,965,461)

$

(241,166)

Weighted average shares outstanding, basic

91,285

90,953

90,683

39,006

38,080

91,423

91,285

Service-based awards, market-based awards and stock options

-

916

-

Service-based awards and market-based awards

686

39

-

-

Weighted average shares outstanding, diluted

91,285

91,869

90,683

39,692

38,119

91,423

91,285

Earnings (loss) per common share, diluted

$

(2.64)

$

3.73

$

(13.65)

$

10.78

$

1.03

$

(43.37)

$

(2.64)

Successor

During 2021 and the 2020 Successor Period, the diluted earnings per share calculations exclude the effect of common shares that may be issued pursuant to the Series A Warrants and Series B Warrants, as such Warrants were out-of-the-money as of December 31, 2021 and 2020.  During 2021, the diluted earnings per share calculation also excludes the effect of 47,475 shares of market-based awards that did not meet the market-based vesting criteria as of December 31, 2021 and 2,121,304 contingently issuable shares related to the settlement of general unsecured claims associated with the Chapter 11 Cases, as all necessary conditions had not been met to be considered dilutive shares as of December 31, 2021.  During the 2020 Successor Period, the diluted earnings per share calculation also excludes the effect of 189,900 shares of market-based awards that did not meet the market-based vesting criteria as of December 31, 2020 and 3,021,304 contingently issuable shares related to the settlement of general unsecured claims associated with the Chapter 11 Cases, as all necessary conditions had not been met to be considered dilutive shares as of December 31, 2020.  However, subsequent to December 31, 2020 the Company issued 948,897 of such contingently issuable shares.  The basic weighted average shares outstanding calculation for the 2020 Successor Period includes 48,897 of these shares as all necessary conditions to be included in the calculation had been satisfied during the period.  Refer to the “Shareholders’ Equity” footnote for more information on this share issuance.

Predecessor

For the eight months ended August 31, 2020, the Company had a net loss and therefore the diluted earnings per share calculation excludes the antidilutive effect of 314,896 shares of service-based awards.  In addition, the diluted earnings per share calculation for the eight months ended August 31, 2020 excludes the effect of 29,465 common shares for stock options that were out of the money as of August 31, 2020.  All outstanding stock options were canceled upon emergence from bankruptcy on the Emergence Date.

103

For the year ended December 31, 2019 the Company had a net loss and therefore the diluted earnings per share calculation for that period excludes the anti-dilutive effect of 344,671 shares of service-based awards and 3,511 shares of market-based awards.  In addition, the diluted earnings per share calculation for the year ended December 31, 2019 excludes the effect of 45,588 common shares for stock options that were out of the money as of December 31, 2019.

For the year ended December 31, 2018, the diluted earnings per share calculation excludes the effect of 100,708 common shares for  All outstanding stock options that were out ofcanceled upon emergence from bankruptcy on the money as of December 31, 2018.

For the year ended December 31, 2017, the Company had a net loss and therefore the diluted earnings per share calculation for that period excludes the anti-dilutive effect of 509,744 shares of service-based awards, 22,946 shares of market-based awards and 1,083 stock options.  In addition, the diluted earnings per share calculation for the year ended December 31, 2017 excludes the effect of 123,775 common shares for stock options that were out-of-the-money and 345,071 shares of market-based awards that did not meet the market-based vesting criteria as of December 31, 2017.Emergence Date.

Refer to the “Stock-Based Compensation” footnote for further information on the Company’s service-based awards and market-based awards and stock options.awards.

As discussed in the “Long-Term Debt” footnote, theThe Company hashad the option to settle conversions of the 2020 Convertible Senior Notes with cash, shares of common stock or any combination thereof.  Based on the current conversion price, the entire outstanding principal amount of the 2020 Convertible Senior Notes as of December 31, 2019 would be convertible into approximately 1.7 million shares of the Company’s common stock.  However, the Company’s intent is to settle the principal amount of the notes in cash upon conversion.  As a result, only the amount by which the conversion value exceeds the aggregate principal amount of the notes (the “conversion spread”) is considered in the diluted earnings per share computation under the treasury stock method.  As of December 31, 2019, 2018 and 2017, the conversion valueConvertible Senior Notes did not exceed the principal amount of the notes.  Accordingly,notes for any time during the conversion period ending April 1, 2020, there was no impact to diluted earnings per share or the related disclosures for those periods.

96

Tableany of Contentsthe periods presented.

14.16.       COMMITMENTS AND CONTINGENCIES

The table below shows the Company’s minimum future payments due by period under unconditional purchase obligations as of December 31, 2019 (in thousands):

Pipeline

Transportation

Year ending December 31,

Agreements

2020

$

2,189

2021

2,189

2022

2,189

2023

2,189

2024

547

Total payments

$

9,303

Pipeline Transportation AgreementsThe Company has 2 effective agreementsan agreement through 2024January 2022 with various third partiesa third-party to facilitate the delivery of its produced oil, gas and NGLs to market.  Under oneAs of these contracts,December 31, 2021, the Company hasestimated the minimum future commitments under this transportation agreement to be approximately $0.4 million through January 2022.

Previously, the Company had an agreement with a third-party to facilitate the delivery of its produced oil, gas and NGLs to market for production related to its Redtail field.  Under this contract, the Company had committed to pay fixed monthly reservation fees on dedicated pipelines for natural gas and NGL transportation capacity, plus additional variable charges based on actual transportation volumes.  These fixed monthly reservation fees totaling approximately $9 million have been included in the table above.

The remaining contract contains a commitment to transport a minimum volume of crude oil or else pay for any deficiencies at a price stipulated in the contract.  Although minimum annual quantities are specified in the agreement, the actual oil volumes transported and their corresponding unit prices are variable over the term of the contract.  As a result the future minimum payments for each of the five succeeding fiscal years are not fixeddivestiture of all the Company’s interests in its Redtail field in September 2021, this contract was transferred to the buyer.  Refer to the “Acquisitions and determinableDivestitures” footnote for more information.

During 2021, the 2020 Successor Period, the 2020 Predecessor Period and are not therefore included in the table above.  As ofyear ended December 31, 2019, the Company estimated the minimum future commitments under this transportation agreement to approximate $9 million through 2022.

During 2019, 2018 and 2017, the cost of transportation of crude oil, natural gas and NGLs under these contracts amounted to $2$4 million, $2$1 million, $1 million and $2 million, respectively.

Purchase Contracts—The Company’s purchase obligation consists of a take-or-pay arrangement to buy volumes of water for use in the fracture stimulation process.  Under the terms of the agreement, the Company is obligated to purchase a minimum volume of water or else pay for any deficiencies at the price stipulated in the contract.  Although minimum daily quantities are specified in the agreement, the actual water volumes purchased and their corresponding unit prices are variable over the term of the contract.  As a result, the future minimum payments for each of the five succeeding fiscal years are not fixed and determinable and are not therefore included in the table above.  As of December 31, 2019, the Company estimated the minimum future commitments under this purchase agreement to approximate $8 million through 2020.

As a result of the Company’s reduced development operations in its Redtail field, Whiting has made and expects to make periodic deficiency payments under this purchase contract during the remaining term, which expires in 2020.  During 2019, 2018 and 2017, purchases of water under the Company’s take-or-pay arrangement amounted to $8 million, $8 million and $22 million, respectively, which included $8 million and $2 million of deficiency payments for the years ended December 31, 2019 and 2018, respectively, and insignificant deficiency payments for the year ended December 31, 2017.

Water Disposal Agreement—The Company has a water disposal agreement expiring in 2024 under which it has contracted for the transportation and disposal of the produced water from its Redtail field.  Under the terms of the agreement, the Company is obligated to provide a minimum volume of produced water or else pay for any deficiencies at the price stipulated in the contract.  Although minimum monthly quantities are specified in the agreement, the actual water volumes disposed of and their corresponding unit prices are variable over the term of the contract.  As a result, the future minimum payments for each of the five succeeding fiscal years are not fixed and determinable and are therefore not included in the table above.  As of December 31, 2019, the Company estimated the minimum future commitments under this disposal agreement to approximate $83 million through 2024.  As a result of the Company’s reduced development operations at its Redtail field, Whiting has made and expects to make periodic deficiency payments under this contract.  During 2019, 2018 and 2017, transportation and disposal of produced water amounted to $20 million, $19 million and $16 million, respectively, which includes $14 million, $5 million and $4 million of deficiency payments, respectively.  

97

Delivery Commitments—The Company has 3one physical delivery contractscontract which requirerequires the Company to deliver fixed volumes of crude oil.  NaN of theseThis delivery commitmentscommitment became effective on June 1, 2017 upon completion of the Dakota Access Pipeline,in April 2020 and it is tied to crude oil production from Whiting’s Sanish field in Mountrail County, North Dakota.  Under the terms of the agreement, Whiting has committed to deliver 15 MBbl/d for a term of seven4.1 years.  The Company believes its production and reserves at the Sanish field are sufficient to fulfill this delivery commitment, and therefore expects to avoid any payments for deficiencies under this contract.

The secondCompany has another physical delivery contract effective through June 30, 2024 which is tied to oil production in the Williston Basin.  The effective date of this contract is contingent upon the completion of certain related pipelines, which are currently expected to be brought online in 2021.North Dakota and Montana.  Under the terms of the agreement, Whiting has committedcontract, the Company is required to deliver 105 MBbl/d for aduring the delivery term.  If the Company fails to deliver any of the committed volumes during the term of seven years.the contract, the Company will be in immediate default under the contract and will be required to pay liquidated damages for the remaining term of the contract.  The Company believes its production and reserves in the Williston Basin are sufficient to fulfill this delivery commitment, and therefore expects to avoid any payments for deficiencies under this contract.

Chapter 11 CasesOn April 1, 2020, the Debtors filed the Chapter 11 Cases seeking relief under the Bankruptcy Code.  The third deliveryfiling of the Chapter 11 Cases allowed the Company to, upon approval of the Bankruptcy Court, assume, assign or reject certain contractual commitments, including certain executory contracts.  Refer to the “Chapter 11 Emergence” footnote for more information.  Generally, the rejection of an executory contract or unexpired lease is tiedtreated as a pre-petition breach of such contract and, subject to crudecertain exceptions, relieves the Company from performing future obligations under such contract but entitles the counterparty or lessor to a pre-petition general unsecured claim for damages caused by such deemed breach.  The claims resolution process is ongoing and certain of these claims remain subject to the jurisdiction of the Bankruptcy Court.  To the extent that these Bankruptcy Court proceedings result in unsecured claims being allowed against the Company, such claims may be satisfied through the issuance of shares of the Successor’s common stock or other remedy or agreement under and pursuant to the Plan.  

104

Arguello Inc. and Freeport-McMoRan Oil & Gas LLC.  WOG had interests in federal oil productionand gas leases in the Point Arguello Unit located offshore in California.  While those interests have expired, pursuant to certain related agreements (the “Point Arguello Agreements”), WOG may be subject to abandonment and decommissioning obligations.  WOG and Whiting Petroleum Corporation rejected the related contracts pursuant to the Plan.  On October 1, 2020, Arguello Inc. and Freeport-McMoRan Oil & Gas LLC, individually and in its capacity as the designated Point Arguello Unit operator (collectively, the “FMOG Entities”) filed with the Bankruptcy Court an application for allowance of certain administrative claims arguing the FMOG Entities were  entitled to recover Whiting’s proportionate share of decommissioning obligations owed to the U.S. government through subrogation to the U.S. government’s economic rights.  The FMOG Entities’ application alleged administrative claims of approximately $25 million for estimated decommissioning costs owed to the U.S. government, at least $60 million of estimated decommissioning costs owed to the FMOG Entities and other insignificant amounts.  On September 14, 2020, the FMOG Entities also filed with the Bankruptcy Court proofs of claim for rejection damages to serve as an alternative course of action in the event that a court should determine that the FMOG Entities do not hold any applicable administrative claims.  The U.S. government may also be able to bring claims against WOG directly for decommissioning costs.  On  February 18, 2021, WOG entered into a stipulation and agreed order with the United States Department of the Interior, Bureau of Safety & Environmental Enforcement (the “BSEE”) pursuant to which the BSEE withdrew its proofs of claims against Whiting Petroleum Corporation and WOG and acknowledged their respective rights and obligations pursuant to the Plan.  On March 26, 2021, the FMOG Entities withdrew their administrative claim for the recovery of Whiting’s Redtail fieldproportionate share of costs incurred after August 31, 2020 to fulfill obligations owed to the U.S. Government on the basis of subrogation to the Government’s economic rights.  The FMOG Entities continue to assert certain other administrative claims and have reserved the right to assert claims for the recovery of Whiting’s share of the decommissioning costs incurred after August 31, 2020 based on the theory of equitable subrogation.  On September 14, 2021, Whiting Petroleum Corporation and WOG filed an objection in Weld County, Colorado.the Bankruptcy Court, seeking an order partially disallowing the FMOG Entities’ claims.  The Bankruptcy Court has not issued a ruling on the damages for rejection of the Point Arguello Agreements and it is possible that a settlement with the FMOG Entities could be reached.  Although WOG intends to vigorously pursue its objection in this legal proceeding, if the FMOG Entities were to prevail on certain of their respective claims (including the reserved claims) on the merits, the Company enters into a settlement agreement or the U.S. government were to bring claims against WOG, Whiting could be liable for claims that must be paid or otherwise satisfied under and pursuant to the Plan including through an equity issuance, cash payment or otherwise.

It is possible that as a result of the legal proceedings associated with the bankruptcy claims administration process or the matter detailed above, the Bankruptcy Court may rule that the claim should be afforded some treatment other than as a general unsecured claim.  This outcome could require the Company to make cash payments to settle those claims instead of or in addition to issuing shares of the Successor’s common stock, and such cash payments would result in losses in future periods.  In addition, it is also reasonably possible that a settlement with respect to such legal proceedings could be reached, in which case the settlement consideration would be paid or otherwise satisfied under and pursuant to the Plan, including through an equity issuance, cash payment or otherwise.  As of December 31, 2019, this contract contains remaining delivery commitments2021, the Company had $55 million of 4.1 MMBbl of crude oiloutstanding offers to settle claims from the Chapter 11 Cases in cash, rather than through the endissuance of shares of Successor common stock reserved under the Plan for potential distribution to general unsecured claimants.  If accepted, these settlements would be paid with cash on hand or borrowings under the Credit Agreement and would not result in the Company issuing shares of the contract’s term in April 2020.  The Company has determined thatSuccessor’s common stock to resolve the claims.  However, such claims remain subject to the jurisdiction of the Bankruptcy Court and it is not probablereasonably possible that future oil production from its Redtail field willthese claims could be sufficient to meetresolved by the minimum volume requirements specified in these physical delivery contracts, and asissuance of shares of the Successor’s common stock.  The ultimate amount of either a result, the Company expects to make periodic deficiency payments for any shortfalls in delivering the minimum committed volumes.

During 2019, 2018 and 2017, total deficiency payments under these contracts, as well as a previous Redtail contract that was terminated in February 2018, amounted to $64 million, $39 million and $66 million, respectively.  The Company recognizes any monthly deficiency payments in the period in which the underdelivery takes place and the related liability has been incurred.  The table above does not include any such deficiency paymentscash payment or number of shares of Successor common stock that may be incurred under the Company’s physical delivery contracts, since itissued to settle such claims is uncertain and cannot currently be predicted with accuracy the amount and timing of any such penalties incurred.reasonably estimated.

LitigationThe Company is subject to litigation, claims and governmental and regulatory proceedings arising in the ordinary course of business.  The Company accrues a loss contingency for these lawsuits and claims when it is probable that a loss has been incurred and the amount of the loss can be reasonably estimated.  While the outcome of these lawsuits and claims cannot be predicted with certainty, it is the opinion of the Company’s management that the loss for any litigation matters and claims that are reasonably possible to occur will not have a material adverse effect, individually or in the aggregate, on its consolidated financial position, cash flows or results of operations.  Theoperations unless separately disclosed.  

During 2020, the Company iswas involved in litigation related to a payment arrangement with a third party.  In June 2020, the Company and the third party which currently claims damages up to $41 million, as well as court costs and interest, that is scheduled to go to trial in May 2020.  Certain amounts have been accrued in accrued liabilities and otherreached a settlement agreement resulting in the consolidated balance sheet asCompany paying the third party a settlement amount of December 31, 2019 and$14 million.  The Company recognized $11 million in general and administrative expenses in the consolidated statementstatements of operations for the year ended December 31, 2019 based(Predecessor).  The Company recorded $3 million of additional general and administrative expense in the consolidated statements of operations during the 2020 Predecessor Period upon settling this litigation.  Upon settlement, the Company agreed to indemnify a party involved in the litigation for any further claims resulting from these matters up to $25 million.  This indemnity will terminate on the determination that it is probable thatdate on which the statute of limitations for the relevant claims expires.  The Company does not expect to pay additional amounts to this party as a lossresult of this indemnity and thus has been incurred and can be reasonably estimated.

15.       CAPITALIZED EXPLORATORY WELL COSTS

Exploratory well costs that are incurred and expensed innot recorded any liability related to the same annual period have not been included in the table below.  The net changes in capitalized exploratory well costs wereindemnity as follows (in thousands):

Year Ended December 31,

    

2019

    

2018

    

2017

Beginning balance at January 1

$

-

$

13,894

$

-

Additions to capitalized exploratory well costs pending the determination of proved reserves

-

10,831

13,894

Reclassifications to wells, facilities and equipment based on the determination of proved reserves

-

(24,725)

-

Ending balance at December 31

$

-

$

-

$

13,894

Atof December 31, 2019, the Company had 0 costs capitalized for exploratory wells in progress for a period of greater than one year after the completion of drilling.2021 (Successor).

98105

16.       RESTRUCTURING17.       COMPANY RESTRUCTURINGS

On July 31,During September 2020 and August 2019, the Company executed a workforce reductionreductions as part of an organizational redesign and cost reduction strategy to better align its business with the current operating environment and drive long-term value.  In connection withFor each of these activities,workforce reductions, the Company incurred $8 million in net restructuring costs associated with one-time employee termination benefits.  These restructuring costs are included incharges were recorded to general and administrative expenses during the relevant periods in the consolidated statements of operations.

17.18.       SUBSEQUENT EVENTS

Williston Basin Acquisition—On January 9, 2020,February 1, 2022, the Company completed the divestiture of itsentered into a purchase and sale agreement to acquire additional interests in 30 non-operated, producing oil and gas wells and related undeveloped acreageproperties located in McKenzieMountrail County, North Dakota for an aggregate sales proceedspurchase price of $25$240 million (before closing adjustments).  Upon executing the agreement, the Company tendered a $12 million deposit which will be held in escrow until closing of the transaction.  The transaction is anticipated to close in March 2022 and the Company plans to account for the transaction using the acquisition method of accounting.

Dividends—On February 8, 2022, the Company announced an inaugural quarterly dividend of $0.25 per share with the first dividend to be paid on March 15, 2022 to shareholders of record as of February 21, 2022.

99106

SUPPLEMENTAL DISCLOSURES ABOUT OIL AND GAS PRODUCING ACTIVITIES (UNAUDITED)

Oil and Gas Producing Activities

Net capitalized costs related to the Company’s oil and gas producing activities were as follows (in thousands):

Successor

Year Ended December 31,

December 31,

December 31,

    

2019

    

2018

    

2021

2020

Proved oil and gas properties

$

12,549,395

$

11,911,977

$

2,034,533

$

1,701,163

Unproved oil and gas properties

262,612

283,682

240,375

111,438

Accumulated depletion

(5,656,929)

(4,937,579)

(248,298)

(71,064)

Oil and gas properties, net

$

7,155,078

$

7,258,080

$

2,026,610

$

1,741,537

The Company’s oil and gas activities for 2019, 2018 and 2017the periods presented were entirely within the United States.  Costs incurred in oil and gas producing activities were as follows (in thousands):

Year Ended December 31,

Successor

Predecessor

    

2019

    

2018

    

2017

Year Ended December 31, 2021

Four Months Ended December 31, 2020

Eight Months Ended August 31, 2020

Year Ended December 31, 2019

Development (1)

$

763,395

$

803,143

$

799,462

$

278,370

$

(6,773)

$

241,795

$

763,395

Proved property acquisition

-

105,519

4,075

197,104

4

146

-

Unproved property acquisition

6,281

34,671

17,629

104,198

163

346

6,281

Exploration

36,872

32,911

50,218

4,074

4,632

22,945

36,872

Total

$

806,548

$

976,244

$

871,384

$

583,746

$

(1,974)

$

265,232

$

806,548

(1)Development costs include non-cash downwardupward adjustments to oil and gas properties of $27 million and $57 million for 2021 and the 2020 Predecessor Period, respectively, which related to estimated future plugging and abandonment costs of the Company’s oil and gas wells.  Additionally, the 2020 Successor Period and the year ended December 31, 2019 (Predecessor) include non-cash downward adjustments of $31 million and $9 million, $5 million and $45 million for 2019, 2018 and 2017, respectively, which relaterelated to estimated future plugging and abandonment costs of the Company’s oil and gas wells.

Oil and Gas Reserve Quantities

For all years presented, the Company’s independent petroleum engineers independently estimated all of the proved reserve quantities included in this Annual Report on Form 10-K.  In connection with the external petroleum engineers performing their independent reserve estimations, Whiting furnishes them with the following information for their review:use in their evaluation: (i) technical support data, (ii) technical analysis of geologic and engineering support information, (iii) economic and production data, and (iv) the Company’s well ownership interests.interests and (v) expected future development activity.  The independent petroleum engineers, Cawley, GillespieNetherland, Sewell & Associates, Inc., evaluated 100% of the Company’s estimated proved reserve quantities and their related pre-tax future net cash flows as of December 31, 2019.2021.  Proved reserve estimates included herein conform to the definitions prescribed by the SEC.  Estimates of proved reserves are inherently imprecise and are continually subject to revision based on production history, results of additional exploration and development, price changes and other factors.

100107

As of December 31, 2019,2021, all of the Company’s oil and gas reserves are attributable to properties within the United States.  A summary of the Company’s changes in quantities of proved oil and gas reserves for the yearsperiods presented are as follows:

Oil

NGLs

Natural Gas

Total

    

(MBbl)

    

(MBbl)

    

(MMcf)

    

(MBOE)

Proved reserves

Balance—January 1, 2019 (Predecessor)

286,964

111,284

731,084

520,095

Extensions and discoveries

20,103

6,056

46,808

33,960

Purchases of minerals in place

(3,175)

(855)

(5,253)

(4,906)

Production

(29,811)

(7,596)

(50,483)

(45,820)

Revisions to previous estimates

(5,828)

(15,048)

17,886

(17,894)

Balance—December 31, 2019 (Predecessor)

268,253

93,841

740,042

485,435

Extensions and discoveries

12,616

2,627

17,306

18,127

Sales of minerals in place

(957)

(121)

(1,082)

(1,258)

Production

(22,130)

(6,626)

(44,007)

(36,091)

Revisions to previous estimates

(94,513)

(43,354)

(408,642)

(205,974)

Balance—December 31, 2020 (Successor)

163,269

46,367

303,617

260,239

Extensions and discoveries

12,720

3,898

22,001

20,285

Purchases of minerals in place

10,007

2,702

18,861

15,851

Sales of minerals in place

(6,434)

(1,551)

(16,113)

(10,670)

Production

(19,316)

(7,218)

(41,964)

(33,528)

Revisions to previous estimates

28,358

22,167

139,647

73,800

Balance—December 31, 2021 (Successor)

188,604

66,365

426,049

325,977

Proved developed reserves

December 31, 2018 (Predecessor)

194,869

82,725

529,154

365,786

December 31, 2019 (Predecessor)

190,725

72,102

576,213

358,863

December 31, 2020 (Successor)

128,227

37,961

251,316

208,074

December 31, 2021 (Successor)

148,317

55,006

351,914

261,975

Proved undeveloped reserves

December 31, 2018 (Predecessor)

92,095

28,559

201,930

154,309

December 31, 2019 (Predecessor)

77,528

21,739

163,829

126,572

December 31, 2020 (Successor)

35,042

8,406

52,301

52,165

December 31, 2021 (Successor)

40,287

11,359

74,135

64,002

Notable changes in proved reserves for the year ended December 31, 2017, 2018 and 2019 are as follows:2021 included the following:

Oil

NGLs

Natural Gas

Total

    

(MBbl)

    

(MBbl)

    

(MMcf)

    

(MBOE)

Proved reserves

Balance—January 1, 2017

394,767

101,493

715,659

615,537

Extensions and discoveries

30,076

14,512

82,391

58,320

Sales of minerals in place

(42,137)

(5,263)

(18,116)

(50,419)

Purchases of minerals in place

157

29

283

233

Production

(29,261)

(6,978)

(41,261)

(43,115)

Revisions to previous estimates

(16,019)

35,156

107,521

37,056

Balance—December 31, 2017

337,583

138,949

846,477

617,612

Extensions and discoveries

17,470

8,552

48,969

34,184

Purchases of minerals in place

20,293

1,386

24,003

25,679

Production

(31,517)

(7,394)

(46,810)

(46,712)

Revisions to previous estimates

(56,865)

(30,209)

(141,555)

(110,668)

Balance—December 31, 2018

286,964

111,284

731,084

520,095

Extensions and discoveries

20,103

6,056

46,808

33,960

Sales of minerals in place

(3,175)

(855)

(5,253)

(4,906)

Production

(29,811)

(7,596)

(50,483)

(45,820)

Revisions to previous estimates

(5,828)

(15,048)

17,886

(17,894)

Balance—December 31, 2019

268,253

93,841

740,042

485,435

Proved developed reserves

December 31, 2016

183,165

51,888

337,860

291,363

December 31, 2017

179,829

76,957

473,829

335,758

December 31, 2018

194,869

82,725

529,154

365,786

December 31, 2019

190,725

72,102

576,213

358,863

Proved undeveloped reserves

December 31, 2016

211,602

49,605

377,799

324,174

December 31, 2017

157,754

61,992

372,648

281,854

December 31, 2018

92,095

28,559

201,930

154,309

December 31, 2019

77,528

21,739

163,829

126,572

Extensions and discoveries.  In 2021, total extensions and discoveries of 20.3 MMBOE were primarily attributable to successful drilling in the Williston Basin.  New wells drilled in this area as well as the PUD locations added as a result of drilling increased the Company’s proved reserves.
Purchases of minerals in place. Purchases of minerals in place totaled 15.9 MMBOE during 2021 and were primarily attributable to two acquisitions in the Williston Basin as further described in the “Acquisitions and Divestitures” footnote in the notes to the consolidated financial statements within Item 8 of this Annual Report on Form 10-K.
Sales of minerals in place. Sales of minerals in place totaled 10.7 MMBOE during 2021 and were primarily attributable to the disposition of all of the Company’s interests in producing assets and undeveloped acreage of the Company’s Redtail field located in the Denver-Julesburg Basin of Weld County, Colorado as further described in the “Acquisitions and Divestitures” footnote in the notes to the consolidated financial statements within Item 8 of this Annual Report on Form 10-K.
Revisions to previous estimates. In 2021, revisions to previous estimates increased proved developed and undeveloped reserves by a net amount of 73.8 MMBOE.  Included in these revisions were (i) 70.1 MMBOE of upward adjustments resulting from higher crude oil, NGL and natural gas prices incorporated into the Company’s reserve estimates at December 31, 2021 as compared to December 31, 2020, (ii) 12.8 MMBOE of upward adjustments primarily attributable to reservoir and engineering analysis and well performance across the Company’s North Dakota and Montana assets, and (iii) 0.8 MMBOE of upward adjustments attributable to narrower differentials and stronger NGL yields.  These upward adjustments were partially offset by 9.9 MMBOE of downward adjustments due to increased operating expenses.

108

Notable changes in proved reserves for the year ended December 31, 2020 included the following:

Extensions and discoveries.  In 2020, total extensions and discoveries of 18.1 MMBOE were primarily attributable to successful drilling in the Williston Basin.  Both the new wells drilled in this area as well as the PUD locations added as a result of drilling increased the Company’s proved reserves.
Sales of minerals in place. Sales of minerals in place totaled 1.3 MMBOE during 2020 and were primarily attributable to the disposition of certain non-operated properties in North Dakota as further described in the “Acquisitions and Divestitures” footnote in the notes to the consolidated financial statements within Item 8 of this Annual Report on Form 10-K.
Revisions to previous estimates.  In 2020, revisions to previous estimates decreased proved developed and undeveloped reserves by a net amount of 206.0 MMBOE.  Included in these revisions were 41.3 MMBOE of proved undeveloped reserve reductions due to changes in the Company’s development plan.  Of this 41.3 MMBOE, 34.8 MMBOE represents proved undeveloped reserves no longer expected to be developed within five years from their initial recognition and 6.5 MMBOE represents other development timing changes.  As a result of the significant declines in commodity pricing the Company experienced in 2020 as well as its chapter 11 reorganization, the Company has moved toward a more disciplined capital development program focused on the highest-return projects and the generation of free cash flow, which resulted in a change in the timing of the Company’s development plans related to PUD reserves in certain areas.  These revisions do not represent the elimination of recoverable hydrocarbons physically in place, as they may be developed in the future.  In addition, there were 114.3 MMBOE of downward adjustments primarily attributable to reservoir and engineering analysis and well performance across Whiting’s assets in North Dakota, Montana and Colorado assets including: (i) 64.7 MMBOE of performance adjustments related to changes in gas-oil ratio estimates and oil estimates based on 2020 well performance data and subsequent reservoir and engineering analysis, (ii) 43.7 MMBOE of changes to lease operating cost estimates related to a change in the Company’s process for modeling certain operating costs and higher operating costs experienced in 2020, and (iii) 5.9 MMBOE of other various revisions.  Finally, there were 50.5 MMBOE of negative adjustments resulting from lower crude oil, NGL and natural gas prices incorporated into the Company’s reserve estimates at December 31, 2020 as compared to December 31, 2019.  

Notable changes in proved reserves for the year ended December 31, 2019 included the following:

Extensions and discoveries.  In 2019, total extensions and discoveries of 34.0 MMBOE were primarily attributable to successful drilling in the Williston Basin.  Both the new wells drilled in this area as well as the PUD locations added as a result of drilling increased the Company’s proved reserves.
Sales of minerals in place. Sales of minerals in place totaled 4.9 MMBOE during 2019 and were primarily attributable to the disposition of certain non-operated properties in North Dakota as further described in the “Acquisitions and Divestitures” footnote in the notes to the consolidated financial statements.statements within Item 8 of this Annual Report on Form 10-K.
Revisions to previous estimates.  In 2019, revisions to previous estimates decreased proved developed and undeveloped reserves by a net amount of 17.9 MMBOE.  Included in this change were upward revisions of 48.0 MMBOE to proved undeveloped reserves primarily located in the Williston Basin in locations where we havethe Company has significant development activity and past drilling success.  Offsetting these upward revisions were: (i) 32.9 MMBOE of downward adjustments caused by lower crude oil, NGL and natural gas prices incorporated into ourthe Company’s reserve estimates at December 31, 2019 as compared to December 31, 2018, (ii) 19.3 MMBOE of downward adjustments primarily attributable to reservoir analysis and well performance across our Northernthe Company’s assets in North Dakota, Montana and Central Rockies

101

assetsColorado and (iii) 13.7 MMBOE of proved undeveloped reserves no longer expected to be developed within five years from their initial recognition.  

Notable changesRevision of 2019 and 2020 Standardized Measure of Discounted Future Net Cash Flows

The Company has corrected certain errors in proved reservesthe unaudited Standardized Measure calculations previously reported in the supplemental disclosures to the Company’s financial statements for the yearyears ended December 31, 2018 included2020 and 2019.  The Company has revised the following:

Extensions and discoveries.  In 2018, total extensions and discoveries of 34.2 MMBOE were primarily attributableline item for future development costs to include estimated costs related to property abandonment in accordance with FASB ASC 932-235-50-30, 50-31 and 55-6.  This change also impacts the calculation of future income taxes and discount for each respective period.  The tables below set forth the effect of these errors on the Standardized Measure calculations previously disclosed in the supplemental disclosures to successful drilling in the Williston Basin.  Both the new wells drilled in this area as well as the PUD locations added as a result of drilling increased the Company’s proved reserves.
Purchases of minerals in place.  In 2018, total purchases of minerals in place of 25.7 MMBOE were primarily attributable to the acquisition of 117 producing oil and gas wells and undeveloped acreage in the Williston Basin, further described in the “Acquisitions and Divestitures” footnote in the notes to the consolidated financial statements which increased the Company’s proved reserves.
Revisions to previous estimates.  In 2018, revisions to previous estimates decreased proved developed and undeveloped reserves by a net amount of 110.7 MMBOE.  Included in these revisions were 99.9 MMBOE of proved undeveloped reserves no longer expected to be developed within five years from their initial recognition.  As a result of sustained lower crude oil prices in recent years, the Company has moved toward a more disciplined capital development program focused on the highest-return projects and the generation of free cash flow.  This shift in strategy resulted in a change in the timing of the Company’s development plans related to PUD reserves in certain areas.  These revisions do not represent the elimination of recoverable hydrocarbons physically in place, however, as they may be developed in the future.  In addition, there were 38.1 MMBOE of downward adjustments primarily attributable to reservoir analysis and well performance across the Company’s Northern and Central Rockies assets and 27.3 MMBOE of upward adjustments caused by higher crude oil, NGL and natural gas prices incorporated into the Company’s reserve estimates at December 31, 2018 as compared to December 31, 2017.

Notable changes in proved reserves for the yearyears ended December 31, 2017 included2020 and 2019 (in thousands).

109

December 31, 2020

December 31, 2019

    

As Previously Reported

    

Change

    

As Revised

As Previously Reported

    

Change

    

As Revised

Future cash flows

$

5,628,620

$

-

$

5,628,620

$

14,700,974

$

-

$

14,700,974

Future production costs

(3,074,138)

-

(3,074,138)

(6,983,878)

-

(6,983,878)

Future development costs

(508,969)

(303,385)

(812,354)

(1,451,487)

(317,650)

(1,769,137)

Future income tax expense

(13,879)

13,879

-

(88,960)

10,680

(78,280)

Future net cash flows

2,031,634

(289,506)

1,742,128

6,176,649

(306,970)

5,869,679

10% annual discount for estimated timing of cash flows

(840,855)

170,704

(670,151)

(2,474,320)

253,375

(2,220,945)

Standardized measure of discounted future net cash flows

$

1,190,779

$

(118,802)

$

1,071,977

$

3,702,329

$

(53,595)

$

3,648,734

Year Ended December 31, 2020

Year Ended December 31, 2019

    

As Previously Reported

    

Change

    

As Revised

As Previously Reported

    

Change

    

As Revised

Beginning of year

$

3,702,329

$

(53,595)

$

3,648,734

$

5,206,110

$

(53,361)

$

5,152,749

Sale of oil and gas produced, net of production costs

(404,495)

-

(404,495)

(1,063,167)

-

(1,063,167)

Sales of minerals in place

(8,539)

-

(8,539)

(52,456)

-

(52,456)

Net changes in prices and production costs

(2,061,696)

-

(2,061,696)

(1,681,530)

-

(1,681,530)

Extensions, discoveries and improved recoveries

123,073

-

123,073

234,782

-

234,782

Previously estimated development costs incurred during the period

197,960

-

197,960

455,236

-

455,236

Changes in estimated future development costs

632,468

(66,268)

566,200

(12,964)

20,910

7,946

Purchases of minerals in place

-

-

-

-

-

-

Revisions of previous quantity estimates

(1,398,437)

-

(1,398,437)

(191,329)

-

(191,329)

Net change in income taxes

37,883

6,420

44,303

287,036

(15,808)

271,228

Accretion of discount

370,233

(5,359)

364,874

520,611

(5,336)

515,275

End of year

$

1,190,779

$

(118,802)

$

1,071,977

$

3,702,329

$

(53,595)

$

3,648,734

The Company has assessed the following:materiality of these errors in accordance with the guidelines provided by the SEC under Staff Accounting Bulletin Topic 1M: Materiality and Staff Accounting Bulletin Topic 1N: Considering the Effects of Prior Year MisstatementsWhen Quantifying Misstatements in the Current Year Financial Statements.  Based on this analysis, the Company has determined that these errors were not material to each of the years ended December 31, 2020 and 2019.

Extensions and discoveries.  In 2017, total extensions and discoveries of 58.3 MMBOE were primarily attributable to successful drilling in the Williston Basin.  Both the new wells drilled in this area as well as the PUD locations added as a result of drilling increased the Company’s proved reserves.
Sales of minerals in place.  Sales of minerals in place totaled 50.4 MMBOE during 2017 and were primarily attributable to the disposition of the FBIR Assets as further described in the “Acquisitions and Divestitures” footnote in the notes to the consolidated financial statements.
Revisions to previous estimates.  In 2017, revisions to previous estimates increased proved developed and undeveloped reserves by a net amount of 37.1 MMBOE.  Included in these revisions were (i) 88.7 MMBOE of upward adjustments caused by higher crude oil, NGL and natural gas prices incorporated into the Company’s reserve estimates at December 31, 2017 as compared to December 31, 2016 and (ii) 51.6 MMBOE of downward adjustments primarily attributable to reservoir analysis and well performance in the Redtail field.

Standardized Measure of Discounted Future Net Cash Flows

The Standardized Measure relating to proved oil and gas reserves and changes in the Standardized Measure relating to proved oil and natural gas reserves were prepared in accordance with the provisions of FASB ASC Topic 932, Extractive ActivitiesOil and Gas.  Future cash inflows as of December 31, 2019, 20182021, 2020 and 20172019 were computed by applying average fiscal-year prices (calculated as the unweighted arithmetic average of the first-day-of-the-month price for each month within the 12-month period ended December 31, 2019, 20182021, 2020 and 2017,2019, respectively) to estimated future production.  Future production and development costs (which include future costs related to property abandonment) are computed by estimating the expenditures to be incurred in developing and producing the proved oil and natural gas reserves at year end,year-end, based on year-end costs and assuming the continuation of existing economic conditions.

Future income tax expenses are calculated by applying appropriate year-end tax rates to future pretax net cash flows relating to proved oil and natural gas reserves, less the tax basis of properties involved.  Future income tax expenses give effect to permanent differences, tax credits and loss carryforwards relating to the proved oil and natural gas reserves.  Future net cash flows are discounted at a rate of

102

10% annually to derive the Standardized Measure.  This calculation does not necessarily result in an estimate of the fair value of the Company’s oil and gas properties.

110

The Standardized Measure relating to proved oil and natural gas reserves is as follows (in thousands):

December 31,

    

2019

    

2018

    

2017

Future cash flows

$

14,700,974

$

20,237,473

$

19,635,532

Future production costs

(6,983,878)

(7,450,206)

(7,874,590)

Future development costs

(1,451,487)

(1,853,805)

(3,022,841)

Future income tax expense

(88,960)

(1,065,686)

(474,646)

Future net cash flows

6,176,649

9,867,776

8,263,455

10% annual discount for estimated timing of cash flows

(2,474,320)

(4,661,666)

(4,395,897)

Standardized measure of discounted future net cash flows

$

3,702,329

$

5,206,110

$

3,867,558

December 31,

    

2021

    

2020 (1)

2019 (1)

Future cash flows

$

13,554,387

$

5,628,620

$

14,700,974

Future production costs

(5,040,334)

(3,074,138)

(6,983,878)

Future development costs

(864,049)

(812,354)

(1,769,137)

Future income tax expense

(1,241,224)

-

(78,280)

Future net cash flows

6,408,780

1,742,128

5,869,679

10% annual discount for estimated timing of cash flows

(2,729,490)

(670,151)

(2,220,945)

Standardized measure of discounted future net cash flows

$

3,679,290

$

1,071,977

$

3,648,734

(1)As revised.

Future cash flows as shown above are reported without consideration for the effects of open hedge contracts at each period end.  If the effects of hedging transactions were included in the computation, then undiscounted future cash inflows would have decreased by $151 million in 2021 and increased by $34 million in 2020, respectively.  The effects of hedging transactions had no significant impact on undiscounted future cash inflows in 2019, 2018 and 2017.2019.

The changes in the Standardized Measure relating to proved oil and natural gas reserves are as follows (in thousands):

Year Ended December 31,

    

2019

    

2018

    

2017

Beginning of year

$

5,206,110

$

3,867,558

$

2,698,086

Sale of oil and gas produced, net of production costs

(1,063,167)

(1,549,591)

(991,069)

Sales of minerals in place

(52,456)

-

(312,346)

Net changes in prices and production costs

(1,681,530)

1,800,523

994,749

Extensions, discoveries and improved recoveries

234,782

465,766

437,459

Previously estimated development costs incurred during the period

455,236

639,827

542,746

Changes in estimated future development costs

(12,964)

598,535

50,215

Purchases of minerals in place

-

349,896

1,748

Revisions of previous quantity estimates

(191,329)

(1,167,886)

277,967

Net change in income taxes

287,036

(185,274)

(101,806)

Accretion of discount

520,611

386,756

269,809

End of year

$

3,702,329

$

5,206,110

$

3,867,558

Year Ended December 31,

    

2021

    

2020 (1)

2019 (1)

Beginning of year

$

1,071,977

$

3,648,734

$

5,152,749

Sale of oil and gas produced, net of production costs

(1,128,837)

(404,495)

(1,063,167)

Sales of minerals in place

(150,660)

(8,539)

(52,456)

Net changes in prices and production costs

2,877,747

(2,061,696)

(1,681,530)

Extensions, discoveries and improved recoveries

286,422

123,073

234,782

Previously estimated development costs incurred during the period

163,740

197,960

455,236

Changes in estimated future development costs

(112,230)

566,200

7,946

Purchases of minerals in place

223,819

-

-

Revisions of previous quantity estimates

1,042,079

(1,398,437)

(191,329)

Net change in income taxes

(701,965)

44,303

271,228

Accretion of discount

107,198

364,874

515,275

End of year

$

3,679,290

$

1,071,977

$

3,648,734

(1)As revised.

Future net revenues included in the Standardized Measure relating to proved oil and natural gas reserves incorporate calculated weighted average sales prices (inclusive of adjustments for quality and location) in effect at December 31, 2019, 20182021, 2020 and 20172019 as follows:

Successor

Predecessor

    

2019

    

2018

    

2017

    

2021

2020

    

    

2019

Oil (per Bbl)

$

50.89

$

60.08

$

47.16

$

61.94

$

33.07

$

50.89

NGLs (per Bbl)

$

8.72

$

18.58

$

14.74

$

16.99

$

5.10

$

8.72

Natural Gas (per Mcf)

$

0.31

$

1.27

$

1.97

$

1.75

$

(0.03)

$

0.31

******

103111

QUARTERLY FINANCIAL DATA (UNAUDITED)

The following is a summary of the unaudited quarterly financial data for the years ended December 31, 2019 and 2018 (in thousands, except per share data):

Three Months Ended

March 31,

June 30,

September 30,

December 31,

    

2019

    

2019

    

2019

    

2019

Oil, NGL and natural gas sales

$

389,489

$

426,264

$

375,891

$

380,601

Gross profit

$

69,283

$

85,720

$

33,150

$

58,527

Net loss

$

(68,925)

$

(5,687)

$

(19,067)

$

(147,487)

Basic loss per share

$

(0.76)

$

(0.06)

$

(0.21)

$

(1.62)

Diluted loss per share

$

(0.76)

$

(0.06)

$

(0.21)

$

(1.62)

Three Months Ended

March 31,

June 30,

September 30,

December 31,

2018

2018

2018

2018

Oil, NGL and natural gas sales

$

515,083

$

526,403

$

566,695

$

473,233

Gross profit

$

197,293

$

194,626

$

232,168

$

144,175

Net income

$

15,012

$

2,120

$

121,400

$

203,962

Basic earnings per share

$

0.17

$

0.02

$

1.33

$

2.24

Diluted earnings per share

$

0.16

$

0.02

$

1.32

$

2.22

******

104

Item 9.        Changes in and Disagreements with Accountants on Accounting and Financial Disclosure

None.

Item 9A.      Controls and Procedures

Evaluation of disclosure controls and procedures.  In accordance with Rule 13a-15(b) of the Securities Exchange Act of 1934 (the “Exchange Act”), our management evaluated, with the participation of our Chairman, President and Chief Executive Officer and our Chief Financial Officer, the effectiveness of the design and operation of our disclosure controls and procedures (as defined in Rule 13a-15(e) under the Exchange Act) as of the end of the year ended December 31, 2019.2021.  Based upon their evaluation of these disclosure controls and procedures, the Chairman, President and Chief Executive Officer and the Chief Financial Officer concluded that the disclosure controls and procedures were effective as of December 31, 20192021 to ensure that information required to be disclosed by us in the reports that we file or submit under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the rules and forms of the Securities and Exchange Commission, and to ensure that information required to be disclosed by us in the reports we file or submit under the Exchange Act is accumulated and communicated to our management, including our principal executive and principal financial officers, as appropriate, to allow timely decisions regarding required disclosure.

Management’s Annual Report on Internal Control over Financial Reporting.  The management of Whiting Petroleum Corporation and subsidiaries is responsible for establishing and maintaining adequate internal control over financial reporting, as such term is defined in Rules 13a-15(f) and 15d-15(f) under the Securities Exchange Act of 1934.  Our internal control over financial reporting is designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles.

Because of the inherent limitations of internal control over financial reporting, misstatements may not be prevented or detected on a timely basis.  Also, projections of any evaluation of the effectiveness of the internal control over financial reporting to future periods are subject to the risk that the controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

Our management assessed the effectiveness of our internal control over financial reporting as of December 31, 20192021 using the criteria set forth in Internal Control - Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission.  Based on this assessment, our management believes that, as of December 31, 2019,2021, our internal control over financial reporting was effective based on those criteria.

The effectiveness of our internal control over financial reporting as of December 31, 20192021 has been audited by Deloitte & Touche LLP, an independent registered public accounting firm, as stated in their report which is included herein on the following page.

Changes in internal control over financial reporting.  There was no change in our internal control over financial reporting that occurred during the quarter ended December 31, 20192021 that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

105112

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Board of Directors and Stockholders of

Whiting Petroleum Corporation

Denver, Colorado

Opinion on Internal Control over Financial Reporting

We have audited the internal control over financial reporting of Whiting Petroleum Corporation and subsidiaries (the “Company”) as of December 31, 2019,2021, based on criteria established in Internal Control — Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission (“COSO”). In our opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of December 31, 2019,2021, based on criteria established in Internal Control — Integrated Framework (2013) issued by COSO.

We have also audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (“PCAOB”)(PCAOB), the consolidated financial statements as of and for the year ended December 31, 20192021, of the Company and our report dated February 27, 202023, 2022, expressed an unqualified opinion on those financial statements.

Basis for Opinion

The Company’s management is responsible for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting, included in the accompanying Management’s Annual Report on Internal Control over Financial Reporting. Our responsibility is to express an opinion on the Company’s internal control over financial reporting based on our audit. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audit in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether effective internal control over financial reporting was maintained in all material respects. Our audit included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, testing and evaluating the design and operating effectiveness of internal control based on the assessed risk, and performing such other procedures as we considered necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinion.

Definition and Limitations of Internal Control over Financial Reporting

A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control over financial reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

/s/ DELOITTEDeloitte & TOUCHETouche LLP

Denver, Colorado

February 27, 202023, 2022

Item 9B.      Other Information

None.

Item 9C.      Disclosure Regarding Foreign Jurisdictions that Prevent Inspections

Not applicable.

106113

PART III

Item 10.     Directors, Executive Officers and Corporate Governance

The information included under the captions “Corporate Governance – Proposal 1 – Election of Directors”, “Corporate Governance – Board Committee Information – Audit Committee” and “Delinquent“Share Ownership – Section 16(a) Reports”Beneficial Ownership Reporting Compliance” in our definitive Proxy Statement for Whiting Petroleum Corporation’s 20202022 Annual Meeting of Stockholders (the “Proxy Statement”) is incorporated herein by reference.  Information with respect to our executive officers appears in Part I of this Annual Report on Form 10-K.

We have adopted the Whiting Petroleum Corporation Code of Business Conduct and Ethics that applies to our directors, our Chairman, President and Chief Executive Officer, our Executive Vice President Finance and Chief Financial Officer, our Vice President, Accounting and Controller and other persons performing similar functions.  We have posted a copy of the Whiting Petroleum Corporation Code of Business Conduct and Ethics on our website at www.whiting.com.  The Whiting Petroleum Corporation Code of Business Conduct and Ethics is also available in print to any stockholder who requests it in writing from the Corporate Secretary of Whiting Petroleum Corporation.  We intend to satisfy the disclosure requirements under Item 5.05 of Form 8-K regarding amendments to, or waivers from, the Whiting Petroleum Corporation Code of Business Conduct and Ethics by posting such information on our website at www.whiting.com.

We are not including the information contained on our website as part of, or incorporating it by reference into, this report.

Item 11.     Executive Compensation

The information required by this Item is included under the captions “Corporate Governance – Director Compensation” and “Executive Compensation” (other than “Executive Compensation – Proposal 2 – Advisory Vote on the Compensation of Our Named Executive Officers”) in the Proxy Statement and is incorporated herein by reference.

Item 12.     Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters

The information required by this Item with respect to security ownership of certain beneficial owners and management is included under the captions “Share Ownership“Common Stock – Directors and Executive Officers” and “Share“Common Stock Ownership – Certain Beneficial Owners” in the Proxy Statement and is incorporated herein by reference.  The following table sets forth information with respect to compensation plans under which equity securities of Whiting Petroleum Corporation are authorized for issuance as of December 31, 2019.2021.

Equity Compensation Plan Information

Number of securities remaining

Number of securities to

Weighted-average

available for future issuance under

be issued upon exercise

exercise price of

equity compensation plans

of outstanding options,

outstanding options,

(excluding securities reflected in

Plan Category

    

warrants and rights

    

warrants and rights

    

the first column)

 

Equity compensation plans approved by security holders (1) 

 

42,960

$

192.88

 

3,698,933

(2)

Equity compensation plans not approved by security holders

 

 

N/A

 

Total

 

42,960

$

195.92

 

3,698,933

(2)

Number of securities remaining

Number of securities to

Weighted-average

available for future issuance under

be issued upon exercise

exercise price of

equity compensation plans

of outstanding options,

outstanding options,

(excluding securities reflected in

Plan Category

warrants and rights

warrants and rights

the first column)

Equity compensation plans approved by security holders (1)

-

$

N/A

3,034,539

(2)

Equity compensation plans not approved by security holders

-

N/A

-

Total

-

$

N/A

3,034,539

(2)

(1)IncludesThe 2020 Equity Plan provides the Whiting Petroleum Corporation 2003 Equity Incentive Plan (the “2003 Equity Plan”) and Whiting Petroleum Corporation 2013 Equity Incentive Plan, as amended and restated (the “2013 Equity Plan”).  Upon shareholder approvalauthority to issue 4,035,885 shares of the 2013 Equity Plan in May 2013, the 2003 Equity Plan was terminated, but continues to govern awards that were outstanding at the date of its termination.Successor’s common stock.  Any shares netted or forfeited under the 2003 Equity Plan and any shares forfeited under the 20132020 Equity Plan will be available for future issuance under the 20132020 Equity Plan.  However, shares netted for tax withholding under the 20132020 Equity Plan will be cancelled and will not be available for future issuance.  As of December 31, 2021, 3,034,539 shares of common stock remained available for grant under the 2020 Equity Plan.  
(2)Number of securities reduced by 42,960 stock options outstanding and 915,889795,881 shares of restricted common stock units previously issued for which the restrictions have not lapsed.

107

Item 13.      Certain Relationships, Related Transactions and Director Independence

The information required by this Item is included under the caption “Corporate Governance – Governance Information – Independence of Directors” and “Corporate Governance – Governance Information – Transactions with Related Persons” in the Proxy Statement and is incorporated herein by reference.

114

Item 14.      Principal Accounting Fees and Services

The information required by this Item is included under the caption “Audit Matters – Audit and Non-Audit Fees and Services” in the Proxy Statement and is incorporated herein by reference.

PART IV

Item 15.      Exhibits and Financial Statement Schedules

(a)

1.    Financial statements – Refer to the Index to Consolidated Financial Statements included in Item 8 of this Form 10-K for a list of all financial statements filed as part of this report.

2.    Financial statement schedules – All schedules are omitted since the required information is not present, or is not present in amounts sufficient to require submission of the schedule, or because the information required is included in the consolidated financial statements or the notes thereto.

3.    Exhibits – The exhibits listed in the accompanying index to exhibits are filed as part of this Annual Report on Form 10-K.

(b)

Exhibits

The exhibits listed in the accompanying exhibit index are filed (except where otherwise indicated) as part of this report.

Item 16.       Form 10-K Summary

None.

******

108115

EXHIBIT INDEX

Exhibit

Number

    

Exhibit Description

(2)

Joint Chapter 11 Plan of Reorganization of Whiting Petroleum Corporation and its Debtor Affiliates [Incorporated by reference to Exhibit A of the Order Confirming the Joint Chapter 11 Plan of Reorganization, filed as Exhibit 2 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed on August 17, 2020 (File No. 001-31899)]

(3.1)

Amended and Restated Certificate of Incorporation of Whiting Petroleum Corporation [Incorporated by reference to Exhibit 3.1 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed on September 1, 2020 (File No. 001-31899)].

(3.2)

Second Amended and Restated By-laws of Whiting Petroleum Corporation [Incorporated by reference to Exhibit 3.2 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed on November 9, 2017 (File No. 001-31899)].

(3.2)

Amended and Restated By-laws of Whiting Petroleum Corporation, effective October 24, 2017 [Incorporated by reference to Exhibit 3.1 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed on October 26, 2017September 1, 2020 (File No. 001-31899)].

(4.1)

Seventh Amended and Restated Description of Securities.

(10.1)

Credit Agreement dated as of April 12, 2018,September 1, 2020, by and among Whiting Petroleum Corporation, as parent guarantor, Whiting Oil and Gas Corporation, the lenders party thereto,as borrower, JPMorgan Chase Bank, N.A., as Administrative Agent,administrative agent, and the variouslenders and other agentsparties party thereto [Incorporated by reference to Exhibit 4.1 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed on April 13, 2018 (File No. 001-31899)].

(4.2)

First Amendment to Seventh Amended and Restated Credit Agreement, dated as of September 13, 2019, among Whiting Petroleum Corporation, Whiting Oil and Gas Corporation, the lenders party thereto and JPMorgan Chase Bank, N.A., as administrative agent [Incorporated by reference to Exhibit 4.110.1 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed on September 16, 20191, 2020 (File No. 001-31899)].

(4.3)(10.2)

Indenture,First Amendment to Credit Agreement, dated September 12, 2013,as of June 7, 2021, among Whiting Petroleum Corporation, Whiting Oil and Gas Corporation as Borrower, its Parent Guarantor Whiting Petroleum Corporation, JPMorgan Chase Bank, N.A. as Administrative Agent and The Bank of New York Mellon Trust Company, N.A., as Trusteethe lenders signatory thereto [Incorporated by reference to Exhibit 4.110.1 to Whiting Petroleum Corporation’s CurrentQuarterly Report on Form 8-K10-Q filed on September 12, 2013August 4, 2021 (File No. 001-31899)].

(4.4)(10.3)

Second Supplemental Indenture,Amendment and Waiver to Credit Agreement, dated as of September 12, 2013,15, 2021, among Whiting Petroleum Corporation, Whiting Oil and Gas Corporation and The Bank of New York Mellon Trust Company, N.A., as Trustee, creating the 5.75% Senior Notes due 2021 [Incorporated by reference to Exhibit 4.3 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed on September 12, 2013 (File No. 001-31899)].

(4.5)

Supplemental Indenture and Amendment – Subsidiary Guarantee, dated as of December 11, 2014, amongBorrower, its Parent Guarantor Whiting Petroleum Corporation, Whiting Canadian Holding Company ULC, Whiting Resources Corporation, Whiting US Holding Company and TheJPMorgan Chase Bank, of New York Mellon Trust Company, N.A., as trustee, relating to the 5.75% Senior Notes Due 2021 [Incorporated by reference to Exhibit 4.3 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed on December 12, 2014 (File No. 001-31899)].

(4.6)

Fourth Supplemental Indenture, dated March 27, 2015, among Whiting Petroleum Corporation, Whiting Oil and Gas Corporation, Whiting US Holding Company, Whiting Canadian Holding Company ULC, Whiting Resources Corporation and The Bank of New York Mellon Trust Company, N.A., as Trustee, creating the 6.25% Senior Notes due 2023 [Incorporated by reference to Exhibit 4.3 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed on March 30, 2015 (File No. 001-31899)].

(4.7)

Fifth Supplemental Indenture, dated December 27, 2017, among Whiting Petroleum Corporation, Whiting Oil and Gas Corporation, Whiting US Holding Company, Whiting Canadian Holding Company ULC, Whiting Resources CorporationAdministrative Agent and the Bank of New York Mellon Trust Company, N.A. as Trustee, creating the 6.625% Senior Notes due 2026 [Incorporated by reference to Exhibit 4.2 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed on December 27, 2017 (File No. 001-31899)].

(4.8)

Indenture, dated March 27, 2015, among Whiting Petroleum Corporation, the Guarantors and The Bank of New York Mellon Trust Company, N.A., as Trustee, creating the 1.25% Convertible Senior Notes due 2020 [Incorporated by reference to Exhibit 4.2 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed on March 30, 2015 (File No. 001-31899)].

(4.9)

Description of Securities.

(10.1)*

Whiting Petroleum Corporation 2003 Equity Incentive Plan, as amended through October 23, 2007lenders signatory thereto [Incorporated by reference to Exhibit 10.2 to Whiting Petroleum Corporation’s CurrentQuarterly Report on Form 8-K10-Q filed on October 29, 2007November 3, 2021 (File No. 001-31899)].

(10.2)*

Whiting Petroleum Corporation 2013 Equity Incentive Plan, as amended and restated [Incorporated by reference to Exhibit A to Whiting Petroleum Corporation’s definitive proxy statement filed with the Securities and Exchange Commission on Schedule 14A on March 19, 2019 (File No. 001-31899)].

(10.3)*

Summary of Non-Employee Director Compensation for Whiting Petroleum Corporation.

(10.4)*

Form of Indemnification Agreement for directors and officers of Whiting Petroleum Corporation [Incorporated by reference to Exhibit 10.1 to Whiting Petroleum Corporation’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2008 (File No. 001-31899)].

(10.5)

Specimen Common Stock Certificate [Incorporated by reference to Exhibit 4 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed on September 1, 2020 (File No. 001-31899)].

(10.6)

Series A Warrant Agreement dated as of September 1, 2020, by and among Whiting Petroleum Corporation, Computershare Inc. and Computershare Trust Company, N.A. [Incorporated by reference to Exhibit 10.2 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed on September 1, 2020 (File No. 001-31899)].

(10.7)

Series B Warrant Agreement dated as of September 1, 2020, by and among Whiting Petroleum Corporation, Computershare Inc. and Computershare Trust Company, N.A. [Incorporated by reference to Exhibit 10.3 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed on September 1, 2020 (File No. 001-31899)].

(10.8)*

Executive Employment and Severance Agreement, dated February 2, 2021, by and between Whiting Petroleum Corporation and Lynn A. Peterson [Incorporated by reference to Exhibit 10.1 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed on February 4, 2021 (File No. 001-31899)].

(10.9)*

Executive Employment and Severance Agreement, dated February 2, 2021, by and between Whiting Petroleum Corporation and James P. Henderson [Incorporated by reference to Exhibit 10.2 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed on February 4, 2021 (File No. 001-31899)].

(10.10)*

Executive Employment Agreement and Severance Agreement, dated February 2, 2021, by and between Whiting Petroleum Corporation and Charles J. Rimer [Incorporated by reference to Exhibit 10.3 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed on February 4, 2021 (File No. 001-31899)].

(10.11)*

Form of Executive Employment Agreement and Severance Agreement for executive officers of Whiting Petroleum Corporation other than Lynn A. Peterson, James P. Henderson and Charles J. Rimer [Incorporated by reference to Exhibit 10.20 to Whiting Petroleum Corporation’s Annual Report on Form 10-K filed on February 24, 2021 (File No. 001-31899)].

(10.12)*

Whiting Petroleum Corporation 2020 Equity Incentive Plan [Incorporated by reference to Exhibit 10.4 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed on September 1, 2020 (File No. 001-31899)].

(10.13)*

Form of Restricted Stock Unit Award Agreement (Officer Time Vesting - grants prior to February 2, 2021) pursuant to the Whiting Petroleum Corporation 2020 Equity Incentive Plan [Incorporated by reference to Exhibit 10.13 to Whiting Petroleum Corporation’s Quarterly Report on Form 10-Q filed on November 5, 2020 (File No. 001-31899)].

(10.14)*

Form of Restricted Stock Unit Award Agreement (Officer Stock Price Performance Vesting) pursuant to the Whiting Petroleum Corporation 2020 Equity Incentive Plan [Incorporated by reference to Exhibit 10.14 to Whiting Petroleum Corporation’s Quarterly Report on Form 10-Q filed on November 5, 2020 (File No. 001-31899)].

(10.15)*

Form of Restricted Stock Unit Award Agreement (Non-Employee Director) pursuant to the Whiting Petroleum Corporation 2020 Equity Incentive Plan [Incorporated by reference to Exhibit 10.15 to Whiting Petroleum Corporation’s Quarterly Report on Form 10-Q filed on November 5, 2020 (File No. 001-31899)].

109116

Exhibit

Number

    

Exhibit Description

(10.5)*

Form of Executive Employment and Severance Agreement for executive officers of Whiting Petroleum Corporation other than Bradley J. Holly and Charles J. Rimer [Incorporated by reference to Exhibit 10.1 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed on January 5, 2015 (File No. 001-31899)].

(10.6)*

Form of Stock Option Agreement pursuant to the Whiting Petroleum Corporation 2003 Equity Incentive Plan [Incorporated by reference to Exhibit 10.14 to Whiting Petroleum Corporation’s Annual Report on Form 10-K for the year ended December 31, 2008 (File No. 001-31899)].

(10.7)*

Form of Restricted Stock Agreement pursuant to the Whiting Petroleum Corporation 2013 Equity Incentive Plan for time-based vesting awards [Incorporated by reference to Exhibit 10.10 to Whiting Petroleum Corporation’s Annual Report on Form 10-K for the year ended December 31, 2016 (File No. 001-31899)].

(10.8)*

Form of Restricted Stock Agreement pursuant to the Whiting Petroleum Corporation 2013 Equity Incentive Plan for time-based vesting awards granted to executive officers.

(10.9)*

Form of Stock Option Agreement pursuant to the Whiting Petroleum Corporation 2013 Equity Incentive Plan [Incorporated by reference to Exhibit 10.16 to Whiting Petroleum Corporation’s Annual Report on Form 10-K for the year ended December 31, 2013 (File No. 001-31899)].

(10.10)(10.16)*

Form of Performance ShareStock Unit Award Agreement pursuant to the Whiting Petroleum Corporation 20132020 Equity Incentive Plan granted in 2018. [Incorporated by reference to Exhibit 10.11 to Whiting Petroleum Corporation’s Annual Report on Form 10-K for the year ended December 31, 2017 (File No. 001-31899)].

(10.11)*

Form of Performance Share Award Agreement pursuant to the Whiting Petroleum Corporation 2013 Equity Incentive Plan granted in 2020.

(10.12)*

Form of Restricted Stock Unit Award Agreement (Cash-Settled) pursuant to the Whiting Petroleum Corporation 2013 Equity Incentive Plan [Incorporated by reference to Exhibit 10.3 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed on October 26, 2017 (File No. 001-31899)].

(10.13)*

Form of Restricted Stock Unit Agreement (Cash-Settled) pursuant to the Whiting Petroleum Corporation 2013 Equity Incentive Plan granted to executive officers.

(10.14)*

Form of Restricted Stock Unit Award Agreement (Stock-Settled) pursuant to the Whiting Petroleum Corporation 2013 Equity Incentive Plan for awards granted prior to August 24, 2018 [Incorporated by reference to Exhibit 10.4 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed on October 26, 2017 (File No. 001-31899)].

(10.15)*

Letter Agreement, dated August 24, 2018, Amending Outstanding Restricted Stock and Performance Share Awards and Executive Employment and Severance Agreement [Incorporated by reference to Exhibit 10.1 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed on August 30, 2018 (File No. 001-31899)].

(10.16)*

Form of Restricted Stock Unit Award Agreement (Stock-Settled) pursuant to the Whiting Petroleum Corporation 2013 Equity Incentive Plan for awards granted on or after August 24, 2018 [Incorporated by reference to Exhibit 10.2 to Whiting Petroleum Corporation’s Current Report on Form 8-K Filed on August 30, 2018February 4, 2021 (File No. 001-31899)].

(10.17)*

Form of Performance Share UnitRestricted Stock Award Agreement (Extended Vesting) pursuant to the Whiting Petroleum Corporation 20132020 Equity Incentive Plan [Incorporated by reference to Exhibit 10.310.5 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed on August 30, 2018February 4, 2021 (File No. 001-31899)].

(10.18)*

Executive Employment and SeveranceForm of Restricted Stock Unit Award Agreement between Charles J. Rimer and(Officer Time Vesting – grants on or after February 2, 2021) pursuant to the Whiting Petroleum Corporation effective as of November 15, 20182020 Equity Incentive Plan [Incorporated by reference to Exhibit 10.1 to Whiting Petroleum Corporation’s Current Report on Form 8-K as filed on November 15, 2018 (File No. 001-31899)].

(10.19)*

Executive Employment and Severance Agreement, between Bradley J. Holly and Whiting Petroleum Corporation, effective as of November 1, 2017 [Incorporated by reference to Exhibit 10.1 to Whiting Petroleum Corporation’s Current Report on Form 8-K as filed on October 26, 2017 (File No. 001-31899)].

(10.20)*

Non-Competition and Non-Solicitation Agreement, between Michael J. Stevens and Whiting Petroleum Corporation effective as of August 1, 2019 [Incorporated by reference to Exhibit 10.210.6 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed on July 16, 2019February 4, 2021 (File No. 001-31899)].

(21)

Significant Subsidiaries of Whiting Petroleum Corporation.

(23.1)

Consent of Deloitte & Touche LLP.

(23.2)

Consent of Cawley, GillespieNetherland, Sewell & Associates, Inc., Independent Petroleum Engineers.

(31.1)

Certification by the Chairman, President and Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act.

(31.2)

Certification by the Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act.

(32.1)

Written Statement of the Chairman, President and Chief Executive Officer pursuant to 18 U.S.C. Section 13501350..

(32.2)

Written Statement of the Chief Financial Officer pursuant to 18 U.S.C. Section 1350.

110

Exhibit

Number

Exhibit Description

(99)(99.1)

Report of Cawley, GillespieNetherland, Sewell & Associates, Inc., Independent Petroleum Engineers relating to Total Proved Reserves, dated February 7, 2020.January 28, 2022.

(99.2)

Order Confirming Joint Chapter 11 Plan of Reorganization of Whiting Petroleum Corporation [Incorporated by reference to Exhibit 99.1 to Whiting Petroleum Corporation’s Current Report on Form 8-K filed on August 17, 2020 (File No. 001-31899)].

(101)

The following materials from Whiting Petroleum Corporation’s Annual Report on Form 10-K for the year ended December 31, 20192021 are filed herewith, formatted in iXBRL (Inline Extensible Business Reporting Language): (i) the Consolidated Balance Sheets, as of December 31, 2019 and 2018, (ii) the Consolidated Statements of Operations, for the Years Ended December 31, 2019, 2018 and 2017, (iii) the Consolidated Statements of Cash Flows, for the Years Ended December 31, 2019, 2018 and 2017, (iv) the Consolidated Statements of Equity, for the Years Ended December 31, 2019, 2018 and 2017, and (v) Notes to Consolidated Financial Statements.  The instance document does not appear in the interactive data file because its XBRL tags are embedded within the iXBRL document.

(104)

Cover Page Interactive Data File (formatted as Inline XBRL) – The cover page interactive data file does not appear in the interactive data file because its XBRL tags are embedded within the iXBRL document.

*           A management contract or compensatory plan or arrangement.

111117

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized, on this 2723thrd day of February, 2020.2022.

WHITING PETROLEUM CORPORATION

By

/s/ Bradley J. HollyLynn A. Peterson

Bradley J. HollyLynn A. Peterson

Chairman, President and Chief Executive Officer

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated.

Signature

    

Title

    

Date

/s/ Bradley J. HollyLynn A. Peterson

Chairman, President and Chief Executive Officer
(Principal Executive Officer)

February 27, 202023, 2022

Bradley J. HollyLynn A. Peterson

/s/ Correne S. LoefflerJames P. Henderson

Executive Vice President Finance and Chief Financial Officer
(Principal Financial Officer)

February 27, 202023, 2022

Correne S. LoefflerJames P. Henderson

/s/ Sirikka R. Lohoefener

Vice President, Accounting and Controller
(Principal Accounting Officer)

February 27, 202023, 2022

Sirikka R. Lohoefener

/s/ Thomas L. AllerKevin S. McCarthy

DirectorChairman of the Board

February 27, 202023, 2022

Thomas L. AllerKevin S. McCarthy

/s/ Lyne B. AndrichJanet L. Carrig

Director

February 27, 202023, 2022

Lyne B. AndrichJanet L. Carrig

/s/ James E. CatlinSusan M. Cunningham

Director

February 27, 202023, 2022

James E. CatlinSusan M. Cunningham

/s/ Philip E. DotyPaul J. Korus

Director

February 27, 202023, 2022

Philip E. DotyPaul J. Korus

/s/ William N. HahneDaniel J. Rice IV

Director

February 27, 202023, 2022

William N. HahneDaniel J. Rice

/s/ Michael G. HutchisonAnne Taylor

Director

February 27, 202023, 2022

Michael G. Hutchison

/s/ Carin S. Knickel

Director

February 27, 2020

Carin S. Knickel

/s/ Michael B. Walen

Director

February 27, 2020

Michael B. WalenAnne Taylor

112118