SEC Form 4

FORM 4		UNITED 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 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	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 SUITE 300 (Street) FORT WORTH TX 76104 (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) Director X 10% Owner Officer (give title below) Other (specify below)
	3. Date of Earliest Transaction (Month/Day/Year) 10/06/2006
	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 X Form 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)
			Code	V	Amount	(A) or (D)	Price
Common Stock, $.01 par value	10/06/2006		J(1)		13,630,425	A	$31.73	22,723,008(2)	D(3)

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 Security	3. 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 Securities Underlying Derivative Security (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: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

1. Name and Address of Reporting Person* QUICKSILVER ENERGY LP (Last) (First) (Middle) 777 WEST ROSEDALE STREET SUITE 300 (Street) FORT WORTH TX 76104 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Pennsylvania Management, LLC (Last) (First) (Middle) 777 WEST ROSEDALE SUITE 300 (Street) FORT WORTH TX 76104 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

Explanation of Responses:

1. On October 6, 2006, Mercury Exploration Company and eight Darden family trusts contributed a total of 13,630,425 shares of Quicksilver Resources, Inc. common stock to Quicksilver Energy, L.P. in exchange for limited partnership interests therein. The amount appearing in the price column of column 4 of Table I is the average of the high and low sales prices of a share of Quicksilver Resources common stock on the New York Stock Exchange on October 6, 2006.

2. On June 30, 2004, the common stock of Quicksilver Resources was split two-for-one, effected in the form of a stock dividend, resulting in Quicksilver Energy, L.P.'s acquisition of 3,030,861 additional shares of common stock. One June 30, 2005, the common stock of Quicksilver Resources was split three-for-two, effected in the form of a stock dividend, resulting in Quicksilver Energy, L.P.'s acquisition of another 3,030,861 additional shares of common stock.

3. These shares are owned directly by Quicksilver Energy, L.P. and indirectly by Pennsylvania Management, LLC, the general partner of Quicksilver Energy, L.P. Pennsylvania Management, LLC, disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that it is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

Remarks:

Exhibit 99-Form 4 Joint Filer Information

	/s/ Quicksilver Energy, L.P.	10/10/2006
	Pennsylvania Management, LLC	10/10/2006
	** Signature of Reporting Person	Date
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