UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

_______________

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

Date of report (Date of earliest event reported): February 21, 2007

QUICKSILVER RESOURCES INC.

(Exact Name of Registrant as Specified in Charter)

Delaware	001-14837	75-2756163
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(IRS Employer Identification No.)

777 West Rosedale, Suite 300

Fort Worth, Texas 76104

(Address of Principal Executive Offices) (Zip Code)

Registrant’s telephone number, including area code: (817) 665-5000

_______________

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 2.02.  Results of Operations and Financial Condition.

On February 21, 2007, we issued a press release reporting our financial results for the quarter and year ended December 31, 2006.  A copy of the press release is attached as Exhibit 99.1.

The information contained in this Item 2.02, including Exhibit 99.1 attached hereto, is being furnished to the Securities and Exchange Commission and shall not be deemed "filed" for the purpose of Section 18 of the Securities and Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section.

Item 9.01.  Financial Statements and Exhibits.

(d) Exhibits:

Exhibit Number	Description
99.1	Press release dated February 21, 2007.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

QUICKSILVER RESOURCES INC.
By:	/s/ Philip Cook
	Philip Cook
	Senior Vice President -
	Chief Financial Officer

Date: February 21, 2007

Index to Exhibits

Exhibit Number	Description
99.1	Press release dated February 21, 2007.