Quicksilver Resources (KWK) 10-K/A 2011 FY Annual report (amended)

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-K/A

Amendment No. 1

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

For the fiscal year ended December 31, 2011

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:    001-14837

QUICKSILVER RESOURCES INC.

(Exact name of registrant as specified in its charter)

Delaware	75-2756163
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
801 Cherry Street, Suite 3700, Unit 19, Fort Worth, Texas	76102
(Address of principal executive offices)	(Zip Code)

817-665-5000

(Registrant’s telephone number, including area code)

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

Title of each class	Name of each exchange on which registered
Common Stock, $0.01 par value per share	New York Stock Exchange
Preferred Share Purchase Rights, $0.01 par value per share	New York Stock Exchange

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  þ                No  ¨

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

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  þ                 No  ¨

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted 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 and post such files).    Yes  þ                No  ¨

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained, to the best of registrant's knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K.  þ

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

Large accelerated filer  þ                Accelerated filer  ¨                 Non-accelerated filer  ¨                    Smaller reporting company  ¨

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

Yes  ¨                 No  þ

As of June 30, 2011, the aggregate market value of the registrant’s common stock held by non-affiliates of the registrant was $1,747,078,839 based on the closing sale price of $14.76 as reported on the New York Stock Exchange.

Indicate the number of shares outstanding of each of the registrant’s classes of common stock, as of the latest practicable date.

Class	Outstanding at March 30, 2012
Common Stock, $0.01 par value per share	172,936,914 shares

DOCUMENTS INCORPORATED BY REFERENCE

Document	Parts Into Which Incorporated
Proxy Statement for the Registrant’s May 16, 2012 Annual Meeting of Stockholders	Part III

Explanatory Note

The sole purpose of this Amendment No. 1 on Form 10-K/A is to submit the consolidated financial statements and related notes formatted in XBRL (eXtensible Business Reporting Language).

No other changes have been made to our Annual Report on Form 10-K for the fiscal year ended December 31, 2011, which was originally filed with the Securities and Exchange Commission on April 16, 2012 (the “Form 10-K”). This Amendment No. 1 to the Form 10-K speaks as of the original filing date of the Form 10-K, does not reflect events that may have occurred subsequent to the original filing date, and does not modify or update in any way disclosures made in the original Form 10-K.

PART IV

ITEM 15.

The following are filed as part of this Annual Report:

Financial Statements

See the index to the consolidated financial statements and related footnotes and other supplemental information included in Item 8 of this Annual Report, which identifies the financial statements filed herewith.

Financial Statement Schedules

All other schedules are omitted from this item because the information is inapplicable or is presented in the consolidated financial statements and related notes in Item 8 of this Annual Report.

1

EXHIBIT INDEX

		Incorporated by Reference								Filed (†)  or Furnished (‡) Herewith (as indicated)
Exhibit No.	Exhibit Description	Form		SEC File No.		Exhibit		Filing Date
2.1*	Purchase Agreement, dated as of July 22, 2010, among First Reserve Crestwood Holdings LLC, Cowtown Gas Processing L.P., Cowtown Pipeline L.P. and Quicksilver Resources Inc.		8-K		001-14837		2.1		7/23/10
2.2*	Purchase Agreement Amendment No. 1, dated as of September 17, 2010, among First Reserve Crestwood Holdings LLC, Cowtown Gas Processing L.P., Cowtown Pipeline L.P. and Quicksilver Resources Inc.		10-Q		001-14837		2.2		11/8/10
3.1	Amended and Restated Certificate of Incorporation of Quicksilver Resources Inc. filed with the Secretary of State of the State of Delaware on May 21, 2008		S-3		333-151847		4.1		6/23/08
3.2	Amended and Restated Certificate of Designation of Series A Junior Participating Preferred Stock of Quicksilver Resources Inc.		10-Q		001-14837		3.3		5/8/06
3.3	Amended and Restated Bylaws of Quicksilver Resources Inc.		8-K		001-14837		3.1		11/16/07
4.1	Indenture Agreement for 1.875% Convertible Subordinated Debentures Due 2024, dated as of November 1, 2004, between Quicksilver Resources Inc., as Issuer, and The Bank of New York, as Trustee (as successor in interest to JPMorgan Chase Bank, National Association)		8-K		001-14837		4.1		11/1/04
4.2	First Supplemental Indenture, dated July 31, 2009, between Quicksilver Resources Inc. and The Bank of New York Mellon Trust Company, N.A., as trustee		10-Q		001-14837		4.2		8/10/09
4.3	Indenture, dated as of December 22, 2005, between Quicksilver Resources Inc. and The Bank of New York, as Trustee (as successor in interest to JPMorgan Chase Bank, National Association)		S-3		333-130597		4.7		12/22/05
4.4	First Supplemental Indenture, dated as of March 16, 2006, among Quicksilver Resources Inc., the subsidiary guarantors named therein and The Bank of New York, as Trustee (as successor in interest to JPMorgan Chase Bank, National Association)		8-K		001-14837		4.1		3/21/06

2

		Incorporated by Reference								Filed (†)  or Furnished (‡) Herewith (as indicated)
Exhibit No.	Exhibit Description	Form		SEC File No.		Exhibit		Filing Date
4.5	Second Supplemental Indenture, dated as of July 31, 2006, among Quicksilver Resources Inc., the subsidiary guarantors named therein and The Bank of New York, as Trustee (as successor in interest to JPMorgan Chase Bank, National Association)		10-K		001-14837		4.5		3/15/10
4.6	Third Supplemental Indenture, dated as of September 26, 2006, among Quicksilver Resources Inc., the subsidiary guarantors named therein and The Bank of New York, as Trustee (as successor in interest to JPMorgan Chase Bank, National Association)		10-Q		001-14837		4.1		11/7/06
4.7	Fourth Supplemental Indenture, dated as of October 31, 2007, among Quicksilver Resources Inc., the subsidiary guarantors named therein and The Bank of New York, as Trustee (as successor in interest to JPMorgan Chase Bank, National Association)		10-K		001-14837		4.7		3/15/10
4.8	Fifth Supplemental Indenture, dated as of June 27, 2008, among Quicksilver Resources Inc., the subsidiary guarantors named therein and The Bank of New York Trust Company, N.A., as trustee		8-K		001-14837		4.1		6/30/08
4.9	Sixth Supplemental Indenture, dated as of July 10, 2008, among Quicksilver Resources Inc., the subsidiary guarantors named therein and The Bank of New York Mellon Trust Company, N.A., as trustee		8-K		001-14837		4.1		7/10/08
4.10	Seventh Supplemental Indenture, dated as of June 25, 2009, among Quicksilver Resources Inc., the subsidiary guarantors named therein and The Bank of New York Mellon Trust Company, N.A., as trustee		8-K		001-14837		4.1		6/26/09
4.11	Eighth Supplemental Indenture, dated as of August 14, 2009, among Quicksilver Resources Inc., the subsidiary guarantors named therein and The Bank of New York Mellon Trust Company, N.A., as trustee		8-K		001-14837		4.1		8/17/09
4.12	Ninth Supplemental Indenture, dated as of December 23, 2011, among Quicksilver Resources Inc., the subsidiary guarantors named therein and The Bank of New York Mellon Trust Company, N.A., as trustee		10-K		001-14837		4.12		4/16/12

3

		Incorporated by Reference								Filed (†)  or Furnished (‡) Herewith (as indicated)
Exhibit No.	Exhibit Description	Form		SEC File No.		Exhibit		Filing Date
4.13	Tenth Supplemental Indenture, dated as of December 23, 2011, among Quicksilver Resources Inc., the subsidiary guarantors named therein and The Bank of New York Mellon Trust Company, N.A., as trustee		10-K		001-14837		4.13		4/16/12
4.14	Eleventh Supplemental Indenture, dated as of December 23, 2011, among Quicksilver Resources Inc., the subsidiary guarantors named therein and The Bank of New York Mellon Trust Company, N.A., as trustee		10-K		001-14837		4.14		4/16/12
4.15	Twelfth Supplemental Indenture, dated as of December 23, 2011, among Quicksilver Resources Inc., the subsidiary guarantors named therein and The Bank of New York Mellon Trust Company, N.A., as trustee		10-K		001-14837		4.15		4/16/12
4.16	Amended and Restated Rights Agreement, dated as of December 20, 2005, between Quicksilver Resources Inc. and Mellon Investor Services LLC, as Rights Agent		8-A/A		001-14837		4.1		12/21/05
4.17	Amendment dated as of February 23, 2011 to the Amended and Restated Rights Agreement between Quicksilver Resources Inc. and Mellon Investor Services LLC, as rights agent		8-K		001-14837		4.1		2/24/11
10.1	Wells Agreement dated as of December 15, 1970, between Union Oil Company of California and Montana Power Company		S-4/A		333-29769		10.5		8/21/97
10.2**	Quicksilver Resources Inc. Amended and Restated 2004 Non-Employee Director Equity Plan		8-K		001-14837		10.4		5/25/07
10.3**	Form of Non-Qualified Stock Option Agreement pursuant to the Quicksilver Resources Inc. Amended and Restated 2004 Non-Employee Director Equity Plan		8-K		001-14837		10.4		1/28/05
10.4**	Quicksilver Resources Inc. Fourth Amended and Restated 2006 Equity Plan		10-K		001-14837		10.4		4/16/12
10.5**	Form of Restricted Share Award Agreement pursuant to the Quicksilver Resources Inc. 2006 Equity Plan, as amended		8-K		001-14837		10.2		5/25/06
10.6**	Form of Restricted Stock Unit Award Agreement pursuant to the Quicksilver Resources Inc. 2006 Equity Plan, as amended		8-K		001-14837		10.2		11/24/08

4

		Incorporated by Reference								Filed (†)  or Furnished (‡) Herewith (as indicated)
Exhibit No.	Exhibit Description	Form		SEC File No.		Exhibit		Filing Date
10.7**	Form of Quicksilver Resources Canada Inc. Restricted Stock Unit Award Agreement (Cash Settlement) pursuant to the Quicksilver Resources Inc. 2006 Equity Plan, as amended		8-K		001-14837		10.3		11/24/08
10.8**	Form of Quicksilver Resources Canada Inc. Restricted Stock Unit Award Agreement (Stock Settlement) pursuant to the Quicksilver Resources Inc. 2006 Equity Plan, as amended		8-K		001-14837		10.4		11/24/08
10.9**	Form of Incentive Stock Option Agreement pursuant to the Quicksilver Resources Inc. 2006 Equity Plan, as amended		10-K		001-14837		10.9		4/16/12
10.10**	Form of Nonqualified Stock Option Agreement pursuant to the Quicksilver Resources Inc. 2006 Equity Plan, as amended		10-K		001-14837		10.10		4/16/12
10.11**	Form of Non-Employee Director Nonqualified Stock Option Agreement pursuant to the Quicksilver Resources Inc. 2006 Equity Plan, as amended (One-Year Vesting)		8-K		001-14837		10.8		5/25/06
10.12**	Form of Non-Employee Director Nonqualified Stock Option Agreement pursuant to the Quicksilver Resources Inc. 2006 Equity Plan, as amended (Three-Year Vesting)		8-K		001-14837		10.5		11/24/08
10.13**	Form of Non-Employee Director Restricted Share Award Agreement pursuant to the Quicksilver Resources Inc. 2006 Equity Plan, as amended (One-Year Vesting)		8-K		001-14837		10.7		5/25/06
10.14**	Form of Non-Employee Director Restricted Share Award Agreement pursuant to the Quicksilver Resources Inc. 2006 Equity Plan, as amended (Three-Year Vesting)		8-K		001-14837		10.2		5/25/07
10.15**	Quicksilver Resources Inc. 2010 Executive Bonus Plan		8-K		001-14837		10.1		12/10/09
10.16**	Quicksilver Resources Inc. 2011 Executive Bonus Plan		8-K		001-14837		10.1		2/25/11
10.17**	Description of 2011 Cash Bonuses		10-K		001-14837		10.17		4/16/12
10.18**	Quicksilver Resources Inc. Amended and Restated Change in Control Retention Incentive Plan		8-K		001-14837		10.9		11/24/08

5

		Incorporated by Reference								Filed (†)  or Furnished (‡) Herewith (as indicated)
Exhibit No.	Exhibit Description	Form		SEC File No.		Exhibit		Filing Date
10.19**	Quicksilver Resources Inc. Second Amended and Restated Key Employee Change in Control Retention Incentive Plan		8-K		001-14837		10.8		11/24/08
10.20**	Quicksilver Resources Inc. Amended and Restated Executive Change in Control Retention Incentive Plan		8-K		001-14837		10.7		11/24/08
10.21**	Form of Director and Officer Indemnification Agreement (filed as Exhibit 10.2 to the Company’s Form 10-Q filed on November 8, 2010 and included herein by reference)		10-Q		001-14837		10.2		11/8/10
10.22	Amended and Restated Credit Agreement, dated as of February 9, 2007, among Quicksilver Resources Inc. and the lenders identified therein		8-K		001-14837		10.1		2/12/07
10.23	Amended and Restated Credit Agreement, dated as of February 9, 2007, among Quicksilver Resources Canada Inc. and the lenders and/or agents identified therein		8-K		001-14837		10.2		2/12/07
10.24	First Amendment to Combined Credit Agreements, dated as of February 4, 2008, among Quicksilver Resources Inc., Quicksilver Resources Canada Inc. and the agents and combined lenders identified therein		10-K		001-14837		10.30		3/15/10
10.25	Second Amendment to Combined Credit Agreements, dated as of May 8, 2008, among Quicksilver Resources Inc., Quicksilver Resources Canada Inc. and the agents and combined lenders identified therein		10-K		001-14837		10.31		3/15/10
10.26	Third Amendment to Combined Credit Agreements, dated as of May 28, 2008, among Quicksilver Resources Inc., Quicksilver Resources Canada Inc. and the agents and combined lenders identified therein		10-K		001-14837		10.32		3/15/10
10.27	Fourth Amendment to Combined Credit Agreements, dated as of June 20, 2008, among Quicksilver Resources Inc., Quicksilver Resources Canada Inc. and the agents and combined lenders identified therein		8-K		001-14837		10.1		6/25/08

6

		Incorporated by Reference								Filed (†)  or Furnished (‡) Herewith (as indicated)
Exhibit No.	Exhibit Description	Form		SEC File No.		Exhibit		Filing Date
10.28	Fifth Amendment to Combined Credit Agreements, dated as of August 4, 2008, among Quicksilver Resources Inc., Quicksilver Resources Canada Inc. and the agents and combined lenders identified therein		8-K		001-14837		10.1		8/5/08
10.29	Sixth Amendment to Combined Credit Agreements, dated as of September 30, 2008, among Quicksilver Resources Inc., Quicksilver Resources Canada Inc. and the agents and combined lenders identified therein		10-K		001-14837		10.35		3/15/10
10.30	Seventh Amendment to Combined Credit Agreements, dated as of April 20, 2009, among Quicksilver Resources Inc., Quicksilver Resources Canada Inc. and the agents and combined lenders identified therein		10-K		001-14837		10.36		3/15/10
10.31	Eighth Amendment to Combined Credit Agreements, dated as of May 28, 2009, among Quicksilver Resources Inc., Quicksilver Resources Canada Inc. and the agents and combined lenders identified therein		8-K		001-14837		10.1		6/17/09
10.32	Letter Agreement, dated as of June 15, 2009, among Quicksilver Resources Inc., Quicksilver Resources Canada Inc. and the agents and combined lenders identified therein		8-K		001-14837		10.1		6/17/09
10.33	Ninth Amendment to the Combined Credit Agreements, dated as of September 17, 2010, among Quicksilver Resources Inc., Quicksilver Resources Canada Inc. and the agents and combined lenders identified therein		10-Q		001-14837		10.1		11/8/10
10.34	Tenth Amendment to the Combined Credit Agreements, dated as of December 21, 2010, among Quicksilver Resources Inc., Quicksilver Resources Canada Inc. and the agents and combined lenders identified therein		8-K		001-14837		10.1		12/22/10
10.35	Credit Agreement, dated as of September 6, 2011, among Quicksilver Resources Inc. and the agents and lenders identified therein		10-Q		001-14837		10.1		11/9/11

7

		Incorporated by Reference								Filed (†)  or Furnished (‡) Herewith (as indicated)
Exhibit No.	Exhibit Description	Form		SEC File No.		Exhibit		Filing Date
10.36	Amended and Restated U.S. Credit Agreement, dated as of December 22, 2011, among Quicksilver Resources Inc. and the agents and lenders identified therein		8-K		001-14837		10.1		12/27/11
10.37	Credit Agreement, dated as of September 6, 2011, among Quicksilver Resources Canada Inc. and the agents and lenders identified therein		10-Q		001-14837		10.2		11/9/11
10.38	Amended and Restated Canadian Credit Agreement, dated as of December 22, 2011, among Quicksilver Resources Canada Inc. and the agents and lenders identified therein		8-K		001-14837		10.2		12/27/11
10.39	Asset Purchase Agreement, dated as of May 15, 2009, among Quicksilver Resources Inc., as Seller, and ENI US Operating Co. Inc. and ENI Petroleum US LLC, as Buyers		8-K		001-14837		10.1		5/19/09
10.40	Asset Purchase Agreement, dated May 11, 2010, between Marshall R. Young Oil Co., as Seller, and Quicksilver Resources Inc., as Buyer		8-K		001-14837		10.1		5/12/10
10.41	Confidentiality Agreement dated October 24, 2010 among Quicksilver Resources Inc. and Quicksilver Energy L.P		8-K		001-14837		10.1		10/25/10
10.42	Confidentiality Agreement dated October 26, 2010 among Quicksilver Resources Inc. and SPO Partners II, L.P.		8-K		001-14837		10.1		10/26/10
10.43	Limited Waiver dated as of February 23, 2011 between Quicksilver Resources Inc. and Quicksilver Energy L.P.		8-K		001-14837		10.1		2/24/11
10.44	Limited Waiver dated as of February 23, 2011 between Quicksilver Resources Inc. and SPO Partners II, L.P.		8-K		001-14837		10.2		2/24/11
10.45	Project and Expenditure Authorization, dated as of April 6, 2011, between Quicksilver Resources Canada Inc. and Nova Gas Transmission Ltd.		8-K		001-14837		10.1		4/14/11
10.46	Commitment Letter Agreement, dated as of April 6, 2011, between Quicksilver Resources Canada Inc. and Nova Gas Transmission Ltd.		8-K		001-14837		10.2		4/14/11

8

		Incorporated by Reference								Filed (†)  or Furnished (‡) Herewith (as indicated)
Exhibit No.	Exhibit Description	Form		SEC File No.		Exhibit		Filing Date
10.47	Contribution Agreement dated December 23, 2011 among Quicksilver Resources Canada Inc., Fortune Creek Gathering and Processing Partnership and 0927530 B.C. Unlimited Liability Company		8-K		001-14837		10.1		12/27/11
10.48	Guaranty dated December 23, 2011 among Quicksilver Resources Inc., Fortune Creek Gathering and Processing Partnership and 0927530 B.C. Unlimited Liability Company		8-K		001-14837		10.2		12/27/11
10.49	Gas Gathering Agreement, effective December 1, 2009, between Cowtown Pipeline L.P. and Quicksilver Resources Inc.		8-K		001-33631		10.1		1/8/10
10.50	Amendment to Gas Gathering Agreement, dated as of October 1, 2010, by and between Quicksilver Resources Inc. and Cowtown Pipeline Partners L.P.		10-K		001-33631		10.18		2/25/11
10.51	Sixth Amendment and Restated Gas Gathering and Processing Agreement, dated September 1, 2008, among Quicksilver Resources Inc., Cowtown Pipeline Partners L.P. and Cowtown Gas processing Partners L.P.		10-Q		001-33631		10.1		11/6/08
10.52	Addendum and Amendment to Gas Gathering and Processing Agreement Mash Unit Lateral, effective January 1, 2009, among Quicksilver Resources Inc., Cowtown Pipeline Partners L.P. and Cowtown Processing Partners L.P.		10-K		001-33631		10.15		3/15/10
10.53	Second Amendment to Sixth Amendment and Restated Gas Gathering and Processing Agreement, date as of October 1, 2010, by and among Quicksilver Resources Inc., Cowtown Pipeline Partners L.P. and Cowtown Gas Processing Partners L.P.		10-K		001-33631		10.16		2/25/11
10.54	Amended and Restated Gas Gathering Agreement, effective September 1, 2008, between Cowtown Pipeline L.P. and Quicksilver Resources Inc.		10-K		001-14837		10.54		4/16/12
10.55	First Amendment to Amended and Restated Gas Gathering Agreement, dated September 29, 2009, between Cowtown Pipeline L.P. and Quicksilver Resources Inc.		10-K		001-14837		10.55		4/16/12

9

		Incorporated by Reference								Filed (†)  or Furnished (‡) Herewith (as indicated)
Exhibit No.	Exhibit Description	Form		SEC File No.		Exhibit		Filing Date
10.56	Second Amendment to Gas Gathering Agreement, dated October 1, 2010, between Cowtown Pipeline L.P. and Quicksilver Resources Inc.		10-K		001-14837		10.56		4/16/12
21.1*	List of subsidiaries of Quicksilver Resources Inc.		10-K		001-14837		21.1		4/16/12
23.1	Consent of Deloitte & Touche LLP		10-K		001-14837		23.1		4/16/12
23.2	Consent of Schlumberger Data and Consulting Services		10-K		001-14837		23.2		4/16/12
23.3	Consent of LaRoche Petroleum Consultants, Ltd.		10-K		001-14837		23.3		4/16/12
31.1	Certification Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002		10-K		001-14837		31.1		4/16/12
31.2	Certification Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002		10-K		001-14837		31.2		4/16/12
32.1	Certification Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002		10-K		001-14837		32.1		4/16/12
99.1	Report of Schlumberger Data and Consulting Services		10-K		001-14837		99.1		4/16/12
99.2	Report of LaRoche Petroleum Consultants, Ltd.		10-K		001-14837		99.2		4/16/12
101.INS	XBRL Instance Document										‡
101.SCH	XBRL Taxonomy Extension Schema Linkbase Document										‡
101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document										‡
101.LAB	XBRL Taxonomy Extension Labels Linkbase Document										‡
101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document										‡
101.DEF	XBRL Taxonomy Extension Definition Linkbase Document										‡

* Excludes schedules and exhibits we agree to furnish supplementally to the SEC upon request

** Indicates a management contract or compensatory plan or arrangement

10

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.

	QUICKSILVER RESOURCES INC.
Date: April 16, 2012	By:	/S/    JOHN C. CIRONE
		Executive Vice President – General Counsel