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 20, 2006 (February 16, 2006)

                            CRIMSON EXPLORATION INC.
               (Exact Name of Registrant as Specified in Charter)


           Delaware                      1-12108                20-3037840
(State or Other Jurisdiction of   (Commission File Number)     (IRS Employer
        Incorporation)                                       Identification No.)


          480 N. Sam Houston Parkway E., Suite 300, Houston Texas 77060
                    (Address of Principal Executive Offices)

                                 (281) 820-1919
              (Registrant's telephone number, including area code)

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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 14d-2(b))

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

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Item 2.02      Year End 2005 Reserves, Projected 2006 Capital Program And Recent
               Operational Activity.

               On February 16, 2006,  Crimson  Exploration  Inc.  issued a press
release  announcing  details of its year end 2005  reserves,  an overview of its
projected 2006 capital program and recent operational activity. The Company also
announced that management will hold a conference call to discuss the information
in the press  release on Tuesday,  February 21, 2006 at 9:30 a.m. CST. The press
release is included in this report as Exhibit 99.1.

               The information  contained in Exhibit 99.1 is incorporated herein
by reference.  The  information  in this Current  Report is being  furnished and
shall not be deemed  "filed" for the  purposes  of Section 18 of the  Securities
Exchange Act of 1934, as amended,  or otherwise  subject to the  liabilities  of
that Section.  The  information in this Current Report shall not be incorporated
by reference into any registration  statement or other document  pursuant to the
Securities Act of 1933, as amended.

Item 9.01         Financial Statements and Exhibits.

(c)  Exhibits

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           Exhibit Number                    Description
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Exhibit 99.1                      Press Release dated February 16, 2006
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                                   SIGNATURES

     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.

                                        CRIMSON EXPLORATION INC.


Date:    February 20, 2006              /s/ Allan D. Keel
                                        -------------------------------------
                                        Allan D. Keel
                                        President and Chief Executive Officer





                                  Exhibit Index
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           Exhibit Number                    Description
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Exhibit 99.1                      Press Release dated February 16, 2006
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