Supplemental oil, NGL and natural gas disclosures (unaudited) | Supplemental oil, NGL and natural gas disclosures Costs incurred in oil and natural gas property acquisition, exploration and development activities The following table presents costs incurred in the acquisition, exploration and development of oil and natural gas properties, with asset retirement obligations included in evaluated property acquisition costs and development costs, for the periods presented: Years ended December 31, (in thousands) 2023 2022 2021 Property acquisition costs: Evaluated $ 1,328,571 $ 8,295 $ 899,128 Unevaluated 401,533 3,470 198,770 Exploration costs 29,612 26,384 33,482 Development costs 633,413 540,447 410,855 Total oil and natural gas properties costs incurred $ 2,393,129 $ 578,596 $ 1,542,235 Aggregate capitalized oil, NGL and natural gas costs The following table presents the aggregate capitalized costs related to oil, NGL and natural gas production activities with applicable accumulated depletion and impairment as of the dates presented: (in thousands) December 31, 2023 December 31, 2022 Gross capitalized costs: Evaluated properties $ 11,799,155 $ 9,554,706 Unevaluated properties not being depleted 195,457 46,430 Total gross capitalized costs 11,994,612 9,601,136 Less accumulated depletion and impairment (7,764,697) (7,318,399) Net capitalized costs $ 4,229,915 $ 2,282,737 The following table presents a summary of the unevaluated property costs not being depleted as of December 31, 2023, by year in which such costs were incurred: (in thousands) 2023 2022 2021 2020 and prior Total Unevaluated properties not being depleted $ 167,192 $ 3,124 $ 24,618 $ 523 $ 195,457 Unevaluated properties, which are not subject to depletion, are not individually significant and consist of costs for acquiring oil and natural gas leasehold where no evaluated reserves have been identified, including costs of wells being evaluated. The evaluation process associated with these properties has not been completed and therefore, the Company is unable to estimate when these costs will be included in the depletion calculation. Results of operations of oil, NGL and natural gas producing activities The following table presents the results of operations of oil, NGL and natural gas producing activities (excluding corporate overhead and interest costs) for the periods presented: Years ended December 31, (in thousands) 2023 2022 2021 Revenues: Oil, NGL and natural gas sales $ 1,528,633 $ 1,794,374 $ 1,147,143 Production costs: Lease operating expenses 261,129 173,983 101,994 Production and ad valorem taxes 93,224 110,997 68,742 Oil transportation and marketing expenses 41,284 53,692 47,916 Gas gathering, processing and transportation expenses 2,013 — — Total production costs 397,650 338,672 218,652 Other costs: Depletion 446,611 298,259 201,691 Accretion of asset retirement obligation 3,518 3,653 4,018 Income tax expense (1) 149,788 11,538 14,456 Total other costs 599,917 313,450 220,165 Results of operations $ 531,066 $ 1,142,252 $ 708,326 _____________________________________________________________________________ (1) During the years ended December 31, 2022 and 2021, the Company recorded a full valuation allowance against its deferred tax assets related to its oil, NGL and natural gas producing activities. Accordingly, the income tax expense was computed utilizing the Company's effective tax rate of 1% for the year ended December 31, 2022 and 2% for the year ended December 31, 2021. During 2023, the Company determined that there was sufficient positive evidence to conclude that it is more likely than not its federal deferred tax assets are realizable and released the valuation allowance. As such, the income tax expense for the year ended December 31, 2023 is calculated using the statutory rate of 22%. Net proved oil, NGL and natural gas reserves Ryder Scott Company, L.P. ("Ryder Scott"), the Company's independent reserve engineers, estimated 100% of the Company's proved reserves as of December 31, 2023, 2022 and 2021. In accordance with SEC regulations, the reserves as of December 31, 2023, 2022 and 2021 were estimated using the Realized Prices, which reflect adjustments to the Benchmark Prices for quality, certain transportation fees, geographical differentials, marketing bonuses or deductions and other factors affecting the price received at the delivery point. See Note 6 for these Realized Prices. The Company's reserves are reported in three streams: oil, NGL and natural gas. The SEC has defined proved reserves as the estimated quantities of oil, NGL and natural gas that geological and engineering data demonstrate with reasonable certainty to be recoverable in future years from known reservoirs under existing economic and operating conditions. The process of estimating oil, NGL and natural gas reserves is complex, requiring significant decisions in the evaluation of available geological, geophysical, engineering and economic data. The data for a given property may also change substantially over time as a result of numerous factors, including additional development activity, evolving production history and a continual reassessment of the viability of production under changing economic conditions. As a result, material revisions to existing reserve estimates occur from time to time. Although every reasonable effort is made to ensure that reserve estimates reported represent the most accurate assessments possible, the subjective decisions and variances in available data for various properties increase the likelihood of significant changes in these estimates. If such changes are material, they could significantly affect future amortization of capitalized costs and result in impairment of assets that may be material. The following tables provide an analysis of the changes in estimated proved reserve quantities of oil, NGL and natural gas for the years ended December 31, 2023, 2022 and 2021, all of which are located within the U.S.: Oil NGL Natural gas MBOE (1) Proved developed and undeveloped reserves: As of December 31, 2020 67,759 100,922 657,284 278,228 Revisions of previous estimates 4,740 16,952 102,080 38,709 Extensions, discoveries and other additions 10,354 5,269 22,479 19,369 Acquisitions of reserves in place 65,572 19,711 90,023 100,286 Divestitures of reserves in place (15,904) (34,129) (228,546) (88,125) Production (11,619) (8,678) (57,175) (29,827) As of December 31, 2021 120,902 100,047 586,145 318,640 Revisions of previous estimates (9,792) (4,561) (14,694) (16,802) Extensions, discoveries and other additions 21,351 7,162 33,767 34,141 Divestitures of reserves in place (2,165) (808) (3,671) (3,585) Production (13,838) (8,028) (49,259) (30,076) As of December 31, 2022 116,458 93,812 552,288 302,318 Revisions of previous estimates (28,564) (20,823) (55,284) (58,601) Extensions, discoveries and other additions 11,175 10,281 56,329 30,844 Acquisitions of reserves in place 77,609 47,261 244,253 165,578 Production (16,895) (9,128) (55,404) (35,256) As of December 31, 2023 159,783 121,403 742,182 404,883 Proved developed reserves: December 31, 2020 51,751 96,251 633,503 253,586 December 31, 2021 70,727 78,908 494,476 232,048 December 31, 2022 70,333 75,156 464,567 222,917 December 31, 2023 104,993 89,449 555,472 287,021 Proved undeveloped reserves: December 31, 2020 16,008 4,671 23,781 24,642 December 31, 2021 50,175 21,139 91,669 86,592 December 31, 2022 46,125 18,656 87,721 79,401 December 31, 2023 54,790 31,954 186,710 117,862 _____________________________________________________________________________ (1) BOE is calculated using a conversion rate of six Mcf per one Bbl. The following discussion is for the year ended December 31, 2023. The Company's negative revision of 58,601 MBOE of previously estimated quantities consisted of (i) 16,240 MBOE of negative revisions from performance of proved developed producing wells, (ii) 4,470 MBOE of positive revisions from an increase in previously estimated quantities of proved undeveloped locations, (iii) 8,679 MBOE of negative revisions from a decrease in the Realized Prices for oil, NGL and natural gas, (iv) 12,030 MBOE of negative revisions from changes to economic assumptions on proved wells and (v) 26,122 MBOE of negative revisions due to 45 proved undeveloped locations that removed from the development plan. Extensions, discoveries and other additions of 30,844 MBOE consisted of (i) 598 MBOE that resulted from new wells drilled and (ii) 30,246 MBOE that resulted from new horizontal proved undeveloped locations added in the Company's acreage in Howard County, Texas and Western Glasscock Counties, Texas. Acquisitions of reserves in place of 165,578 MBOE consisted of (i) 104,323 MBOE from new proved developed producing wells and (ii) 61,255 MBOE from new proved undeveloped locations. The following discussion is for the year ended December 31, 2022. The Company's negative revision of 16,802 MBOE of previously estimated quantities consisted of (i) 9,531 MBOE of negative revisions from performance of proved developed producing wells, (ii) 1,837 MBOE of negative revisions from a decrease in previously estimated quantities of proved undeveloped locations, (iii) 4,351 MBOE of positive revisions from an increase in the Realized Prices for oil, NGL and natural gas and other changes to proved wells and (iv) 9,785 MBOE of negative revisions due to 16 proved undeveloped locations that were removed from the development plan. Extensions, discoveries and other additions of 34,141 MBOE consisted of (i) 3,850 MBOE that resulted from new wells drilled and (ii) 30,291 MBOE that resulted from new horizontal proved undeveloped locations added in the Company's acreage in Howard and western Glasscock Counties. Sales of reserves of 3,585 MBOE attributed to the divestment of non-operated properties in Howard County. The following discussion is for the year ended December 31, 2021. The Company's positive revision of 38,709 MBOE of previously estimated quantities consisted of (i) 3,622 MBOE of negative revisions from performance of proved developed producing wells, (ii) 2,885 MBOE of negative revisions from a decrease in previously estimated quantities of proved undeveloped locations, (iii) 37,341 MBOE of positive revisions from an increase in the Realized Prices for oil, NGL and natural gas and other changes to proved wells and (iv) 7,875 MBOE of positive revisions due to proved undeveloped locations that were removed from the development plan in prior years. Six of these locations became proved developed producing wells in 2021 and twelve were revised back to proved undeveloped reserves as they became economically producible due to increased commodity prices and increases in lateral lengths. Extensions, discoveries and other additions of 19,369 MBOE consisted of (i) 6,724 MBOE that resulted from new wells drilled and (ii) 12,645 MBOE that resulted from new horizontal proved undeveloped locations added in the Company's acreage in Howard and western Glasscock Counties. Sales of reserves of 88,125 MBOE attributed to the divestment of 37.5% interest of certain proved developed producing wells in Reagan and Glasscock counties. Acquisitions of reserves in place of 100,286 MBOE consisted of (i) 47,310 MBOE from new proved developed wells and (ii) 52,976 MBOE from new proved undeveloped locations in Howard and western Glasscock Counties. Standardized measure of discounted future net cash flows The standardized measure of discounted future net cash flows does not purport to be, nor should it be interpreted to present, the fair value of the oil, NGL and natural gas reserves of the property. An estimate of fair value would take into account, among other things, the recovery of reserves not presently classified as proved, the value of proved properties and consideration of expected future economic and operating conditions. The estimates of future cash flows and future production and development costs as of December 31, 2023, 2022 and 2021 are based on the Realized Prices, which reflect adjustments to the Benchmark Prices for quality, certain transportation fees, geographical differentials, marketing bonuses or deductions and other factors affecting the price received at the delivery point. All Realized Prices are held flat over the forecast period for all reserve categories in calculating the discounted future net cash flows. Any effect from the Company's commodity hedges is excluded. In accordance with SEC regulations, the proved reserves were anticipated to be economically producible from the "as of date" forward based on existing economic conditions, including prices and costs at which economic producibility from a reservoir was determined. These costs, held flat over the forecast period, include development costs, operating costs, ad valorem and production taxes and abandonment costs after salvage. Future income tax expenses are computed using the appropriate year-end statutory tax rates applied to the future pretax net cash flows from proved oil, NGL and natural gas reserves, less the tax basis of the Company's oil and natural gas properties. The estimated future net cash flows are then discounted at a rate of 10%. No full cost ceiling impairment was recorded for the years ended December 31, 2023, 2022 and 2021. See Note 6 for discussion of the Benchmark Prices and Realized Prices. The following table presents the standardized measure of discounted future net cash flows relating to proved oil, NGL and natural gas reserves for the periods presented: Years ended December 31, (in thousands) 2023 2022 2021 Future cash inflows $ 15,570,267 $ 16,343,468 $ 11,846,148 Future production costs (5,543,237) (4,136,380) (3,595,524) Future development costs (1,904,597) (1,403,721) (1,064,527) Future income tax expenses (669,158) (1,587,677) (774,461) Future net cash flows 7,453,275 9,215,690 6,411,636 10% discount for estimated timing of cash flows (3,302,437) (4,461,114) (2,986,324) Standardized measure of discounted future net cash flows $ 4,150,838 $ 4,754,576 $ 3,425,312 It is not intended that the FASB's standardized measure of discounted future net cash flows represent the fair market value of the Company's proved reserves. The Company cautions that the disclosures shown are based on estimates of proved reserve quantities and future production schedules which are inherently imprecise and subject to revision, and the 10% discount rate is arbitrary. In addition, prices and costs as of the measurement date are used in the determinations, and no value may be assigned to probable or possible reserves. The following table presents the changes in the standardized measure of discounted future net cash flows relating to proved oil, NGL and natural gas reserves for the periods presented: Years ended December 31, (in thousands) 2023 2022 2021 Standardized measure of discounted future net cash flows, beginning of year $ 4,754,576 $ 3,425,312 $ 1,014,854 Changes in the year resulting from: Sales, less production costs (1,136,735) (1,468,946) (934,440) Revisions of previous quantity estimates (964,416) (99,512) 426,060 Extensions, discoveries and other additions 125,875 667,859 293,511 Net change in prices and production costs (2,560,883) 2,565,963 1,572,662 Changes in estimated future development costs 137,310 (165,579) 134,091 Previously estimated development costs incurred during the period 368,688 260,475 169,376 Acquisitions of reserves in place 2,211,370 — 1,509,087 Divestitures of reserves in place — (96,222) (369,601) Accretion of discount 624,819 371,625 102,607 Net change in income taxes 371,962 (418,537) (279,722) Timing differences and other 218,272 (287,862) (213,173) Standardized measure of discounted future net cash flows, end of year $ 4,150,838 $ 4,754,576 $ 3,425,312 Estimates of economically recoverable oil, NGL and natural gas reserves and of future net cash flows are based upon a number of variable factors and assumptions, all of which are, to some degree, subjective and may vary considerably from actual results. Therefore, actual production, revenues, development and operating expenditures may not occur as estimated. The reserve data are estimates only, are subject to many uncertainties and are based on data gained from production histories and on assumptions as to geologic formations and other matters. Actual quantities of oil, NGL and natural gas may differ materially from the amounts estimated. |