FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
QUICKSILVER ENERGY LP

(Last)(First)(Middle)
777 WEST ROSEDALE STREET

(Street)
FORT WORTHTX76104

(City)(State)(Zip)
2. Issuer Name and Ticker or Trading Symbol
QUICKSILVER RESOURCES INC [KWK]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
DirectorX10% Owner
Officer (give title below)Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
10/13/2008
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
XForm filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock, $.01 par value 10/13/2008 S  1,200,000 D$ 10.831 (1) 44,462,808 D (5)  
Common Stock, $.01 par value 10/14/2008 S  680,524 D$ 11.445 (2) 43,782,284 D (5)  
Common Stock, $.01 par value 10/14/2008 S  210,551 D$ 12.188 (3) 43,571,733 D (5)  
Common Stock, $.01 par value 10/15/2008 S  8,845 D$ 9.461 (4) 43,562,888 D (5)  
Common Stock, $.01 par value 10/15/2008 D  1,885,600 D$ 10.5536 41,677,288 D (5)  

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
1. Name and Address of Reporting Person*
QUICKSILVER ENERGY LP

(Last)(First)(Middle)
777 WEST ROSEDALE STREET

(Street)
FORT WORTHTX76104

(City)(State)(Zip)
1. Name and Address of Reporting Person*
DARDEN GLENN

(Last)(First)(Middle)
777 WEST ROSEDALE STREET

(Street)
FORT WORTHTX76104

(City)(State)(Zip)
1. Name and Address of Reporting Person*
DARDEN THOMAS F

(Last)(First)(Middle)
777 WEST ROSEDALE STREET

(Street)
FORT WORTHTX76104

(City)(State)(Zip)
1. Name and Address of Reporting Person*
SELF ANNE DARDEN

(Last)(First)(Middle)
777 WEST ROSEDALE STREET

(Street)
FORT WORTHTX76104

(City)(State)(Zip)
1. Name and Address of Reporting Person*
Pennsylvania Management, LLC

(Last)(First)(Middle)
777 WEST ROSEDALE STREET

(Street)
FORT WORTHTX76104

(City)(State)(Zip)
Explanation of Responses:
1. This transaction was executed in multiple trades at prices from $10.36 to $11.21. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
2. This transaction was executed in multiple trades at prices from $11.00 to $11.99. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
3. This transaction was executed in multiple trades at prices from $12.00 to $12.62. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
4. This transaction was executed in multiple trades at prices from $9.40 to $9.52. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
5. These shares are owned directly by Quicksilver Energy, L.P., a ten percent owner of the issuer, and indirectly by Pennsylvania Management, LLC, Glenn Darden, Thomas F. Darden and Anne Darden Self. Each of Pennsylvania Management, LLC, Glenn Darden, Thomas F. Darden and Anne Darden Self disclaims beneficial ownership of the reported securities except to the extent of his or her pecuniary interest therein, and this report shall not be deemed an admission that he or she is the beneficial owner of the securities for the purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.
 
Remarks:
Mr. Glenn Darden is a Director and President and Chief Executive Officer of the issuer.
Mr. Thomas F. Darden is a Director and Chairman of the Board the issuer.
Ms. Anne Darden Self is a Director and Vice President - Human Resources of the issuer.
/s/ Wanda E. Murphy______ Wanda E. Murphy, Attorney-in-Fact for Quicksilver Energy, L.P.10/15/2008
/s/ Wanda E. Murphy______ Wanda E. Murphy, Attorney-in-Fact for Pennsylvania Management, LLC10/15/2008
/s/ Wanda E. Murphy______ Wanda E. Murphy, Attorney-in-Fact for Glenn Darden10/15/2008
/s/ Wanda E. Murphy______ Wanda E. Murphy, Attorney-in-Fact for Thomas F. Darden10/15/2008
/s/ Wanda E. Murphy______ Wanda E. Murphy, Attorney-in-Fact for Anne Darden Self10/15/2008
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

EX-24

Unassociated Document
POWER OF ATTORNEY
 
The undersigned hereby constitutes and appoints each of John C. Cirone, Elizabeth K. Giddens, Francisco Villamar, MarLu S. Hiller and Wanda E. Murphy, or any of them signing singly, and with full power of substitution, the undersigned’s true and lawful attorney-in-fact to:
 
 
(1)
prepare, execute in the undersigned’s name and on the undersigned’s behalf, and submit to the U.S. Securities and Exchange Commission (the “SEC”) a Form ID, including amendments thereto, and any other documents necessary or appropriate to obtain codes and passwords enabling the undersigned to make electronic filings with the SEC of reports required by Section 16(a) of the Securities Exchange Act of 1934 or any rule or regulation of the SEC;
 
 
(2)
execute for and on behalf of the undersigned, in the undersigned’s capacity as an officer and/or director of Quicksilver Resources Inc. (the “Company”), Forms 3, 4, and 5 in accordance with Section 16(a) of the Securities Exchange Act of 1934 and the rules thereunder;
 
 
(3)
do and perform any and all acts for and on behalf of the undersigned which may be necessary or desirable to complete and execute any such Form 3, 4, or 5, complete and execute any amendment or amendments thereto, and timely file such form with the SEC and any stock exchange or similar authority; and
 
 
(4)
take any other action of any type whatsoever in connection with the foregoing which, in the opinion of such attorney-in-fact, may be of benefit to, in the best interest of, or legally required by, the undersigned, it being understood that the documents executed by such attorney-in-fact on behalf of the undersigned pursuant to this power of attorney shall be in such form and shall contain such terms and conditions as such attorney-in-fact may approve in such attorney-in-fact’s discretion.
 
The undersigned hereby grants to each such attorney-in-fact full power and authority to do and perform any and every act and thing whatsoever requisite, necessary, or proper to be done in the exercise of any of the rights and powers herein granted, as fully to all intents and purposes as the undersigned might or could do if personally present, with full power of substitution or revocation, hereby ratifying and confirming all that such attorney-in-fact, or such attorney-in-fact’s substitute or substitutes, shall lawfully do or cause to be done by virtue of this power of attorney and the rights and powers herein granted.  The undersigned acknowledges that the foregoing attorney-in-fact, in serving in such capacity at the request of the undersigned, are not assuming, nor is the Company assuming, any of the undersigned’s responsibilities to comply with Section 16 of the Securities Exchange Act of 1934.
 
The execution by the undersigned of this power of attorney expressly revokes and terminates any powers of attorney previously granted by the undersigned relating to Forms 3, 4 and 5.  This power of attorney shall remain in full force and effect until the undersigned is no longer required to file Forms 3, 4, and 5 with respect to the undersigned’s holdings of and transactions in securities issued by the Company, unless earlier revoked by the undersigned in a signed writing delivered to the foregoing attorney-in-fact.
 
IN WITNESS WHEREOF, the undersigned has caused this power of attorney to be executed as of this 15th day of October 2008.

 
 
/s/ Glenn Darden  
   
Quicksilver Energy, L.P.; By: Pennsylvania Management, LLC,
its General Partner; By: Glenn Darden, its President and Manager
 
 
 

EX-24.1

Unassociated Document
POWER OF ATTORNEY
 
The undersigned hereby constitutes and appoints each of John C. Cirone, Elizabeth K. Giddens, Francisco Villamar, MarLu S. Hiller and Wanda E. Murphy, or any of them signing singly, and with full power of substitution, the undersigned’s true and lawful attorney-in-fact to:
 
 
(1)
prepare, execute in the undersigned’s name and on the undersigned’s behalf, and submit to the U.S. Securities and Exchange Commission (the “SEC”) a Form ID, including amendments thereto, and any other documents necessary or appropriate to obtain codes and passwords enabling the undersigned to make electronic filings with the SEC of reports required by Section 16(a) of the Securities Exchange Act of 1934 or any rule or regulation of the SEC;
 
 
(2)
execute for and on behalf of the undersigned, in the undersigned’s capacity as an officer and/or director of Quicksilver Resources Inc. (the “Company”), Forms 3, 4, and 5 in accordance with Section 16(a) of the Securities Exchange Act of 1934 and the rules thereunder;
 
 
(3)
do and perform any and all acts for and on behalf of the undersigned which may be necessary or desirable to complete and execute any such Form 3, 4, or 5, complete and execute any amendment or amendments thereto, and timely file such form with the SEC and any stock exchange or similar authority; and
 
 
(4)
take any other action of any type whatsoever in connection with the foregoing which, in the opinion of such attorney-in-fact, may be of benefit to, in the best interest of, or legally required by, the undersigned, it being understood that the documents executed by such attorney-in-fact on behalf of the undersigned pursuant to this power of attorney shall be in such form and shall contain such terms and conditions as such attorney-in-fact may approve in such attorney-in-fact’s discretion.
 
The undersigned hereby grants to each such attorney-in-fact full power and authority to do and perform any and every act and thing whatsoever requisite, necessary, or proper to be done in the exercise of any of the rights and powers herein granted, as fully to all intents and purposes as the undersigned might or could do if personally present, with full power of substitution or revocation, hereby ratifying and confirming all that such attorney-in-fact, or such attorney-in-fact’s substitute or substitutes, shall lawfully do or cause to be done by virtue of this power of attorney and the rights and powers herein granted.  The undersigned acknowledges that the foregoing attorney-in-fact, in serving in such capacity at the request of the undersigned, are not assuming, nor is the Company assuming, any of the undersigned’s responsibilities to comply with Section 16 of the Securities Exchange Act of 1934.
 
The execution by the undersigned of this power of attorney expressly revokes and terminates any powers of attorney previously granted by the undersigned relating to Forms 3, 4 and 5.  This power of attorney shall remain in full force and effect until the undersigned is no longer required to file Forms 3, 4, and 5 with respect to the undersigned’s holdings of and transactions in securities issued by the Company, unless earlier revoked by the undersigned in a signed writing delivered to the foregoing attorney-in-fact.
 
IN WITNESS WHEREOF, the undersigned has caused this power of attorney to be executed as of this 15th day of October 2008.

 
 
/s/ Glenn Darden  
   
Pennsylvania Management, LLC
By: Glenn Darden, its President and Manager
 
 



 
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