UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                   FORM 10-K/A
                                (Amendment No. 1)

|X|           ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
                       SECURITIES EXCHANGE ACT OF 1934
                 For the fiscal year ended December 31, 2005
                                      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: 000-21644

                            CRIMSON EXPLORATION INC.
             (Exact name of registrant as specified in its charter)

               Delaware                                          20-3037840
    (State or other jurisdiction of                           (I.R.S. Employer
    incorporation or organization)                           Identification No.)

480 N. Sam Houston Parkway East, Suite 300
             Houston, Texas                                       77060
   (Address of principal executive offices)                    (Zip Code)
                                 (281) 820-1919
              (Registrant's telephone number, including area code)

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


    Securities registered pursuant to Section 12(g) of the Act: Common Stock,
                           $0.001 par value per share

Indicate by check mark if the registrant is a well-known seasoned issuer, as
defined in Rule 405 of the Securities Act.
Yes [   ]         No  [X]

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

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 [X]       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. [ ]


Indicate by check mark whether the registrant is a large accelerated filer, an
accelerated filer, or a non-accelerated filer. See definition of "accelerated
filer" and "large accelerated filer" in Rule 12b-2 of the Exchange Act.
Large accelerated filer [ ]    Accelerated filer [ ]   Non-accelerated filer [X]


Indicate by check mark whether the registrant is a shell company (as defined in
Rule 12b-2 of the Exchange Act).
Yes [   ]         No  [X]


As of June 30, 2005, the aggregate market value of the registrant's common stock
held by non-affiliates of the registrant was $18,010,865 based on the closing
sales price of $0.98 of the common stock. For purposes of this computation, all
executive officers, directors and 10% beneficial owners of the registrant are
deemed to be affiliates. Such a determination should not be deemed an admission
that such executive officers, directors and 10% beneficial owners are
affiliates.

On March 29, 2006, there were 33,041,332 shares of common stock outstanding.

                       DOCUMENTS INCORPORATED BY REFERENCE

Portions of our Definitive Proxy Statement for the 2006 Annual Meeting, expected
to be filed within 120 days of our fiscal year end, are incorporated by
reference into Part III.





                                EXPLANATORY NOTE

     The purpose of this Amendment No. 1 on Form 10-K/A to the Crimson
Exploration Inc. Annual Report on Form 10-K for the year ended December 31, 2005
(the "Original Filing") is to update the cover page to include the aggregate
market value of the company's common stock at June 30, 2005, to include two
exhibits inadvertently omitted from the Original Filing (Exhibits 4.11 and 23.2)
and a corrected exhibit that had been incorporated by reference into the
Original Filing from a previous filing (Exhibit 10.6), and to amend and restate
Item 15 (Exhibits and Financial Statement Schedules) with respect to the exhibit
list. No other changes have been made to the Original Filing.

ITEM 15        Exhibits and Financial Statement Schedules.

       (a)    The following documents are filed as part of this Report:
          (1)  Financial Statements:

               Consolidated Balance Sheets at December 31, 2005 and 2004.
               Consolidated Statements of Operations for the years ended
                  December 31, 2005, 2004 and 2003.
               Consolidated Statements of Stockholders' Equity for the
                  years ended December 31, 2005, 2004 and 2003.
               Consolidated Statements of Cash Flows for the years ended
                  December 31, 2005, 2004 and 2003.
               Notes to Consolidated Financial Statements, December 31,
                  2005, 2004 and 2003.

         (2)    Financial Statement Schedule:
                Schedule II - Valuation and Qualifying Accounts

         (3)    Exhibits:
         Number     Description
         ------     -----------

         2.1**      Agreement and Plan of Merger, dated March 14, 2006, among
                    Crimson Exploration, Inc., Crimson Exploration Operating,
                    Inc., Core Natural Resources, Inc. and its stockholders.

         3.1        Certificate of Incorporation of the Registrant. (Previously
                    filed on our current report on Form 8-K filed July 5, 2005.)

         3.2        Certificate of Designation, Preferences and Rights of Series
                    D Preferred Stock. (Previously filed on our current report
                    on Form 8-K filed July 5, 2005.)

         3.3        Certificate of Designation,  Preferences  and Rights of
                    Cumulative  Convertible Preferred Stock,  Series E.
                    (Previously  filed on our current report on Form 8-K filed
                    July 5, 2005.)

         3.4        Certificate  of  Designation,  Preferences  and Rights of
                    Series G  Convertible Preferred  Stock.  (Previously  filed
                    on our  current  report  on Form 8-K filed July 5, 2005.)

         3.5        Certificate of Designation, Preferences and Rights of Series
                    H Convertible Preferred Stock. (Previously filed on our
                    current report on Form 8-K filed July 5, 2005.)

         3.6        Bylaws of the  Registrant.  (Previously  filed on our
                    current report on Form 8-K filed July 5, 2005.)

         4.1        Letter  Agreement  by and  among  GulfWest  Energy  Inc.,
                    a Texas  corporation, GulfWest  Oil & Gas  Company  and the
                    investors  listed on the  signature  page thereof,  dated
                    April 22,  2004.  (Previously  filed with our Current
                    Report on Form 8-K, dated April 29, 2004 and filed with the
                    Commission on May 10, 2004.)




         4.2        Warrant Agreement made by and between GulfWest Energy Inc.,
                    and Highbridge/Zwirn Special Opportunities FUND, L.P., and
                    Drawbridge Special Opportunities Fund LP, Grantees, dated
                    and effective April 29, 2004. (Previously filed with our
                    Current  Report on Form 8-K dated April 29, 2004 and filed
                    with the Commission on May 10, 2004.)

         4.3        Shareholders  Rights Agreement between GulfWest Energy Inc.
                    and OCM GW Holdings, LLC dated  February  28,  2005.
                    (Previously  filed with the Form 13D,  Reg. No. 005-54301,
                    filed with the Commission on March 10, 2005.)

         4.4        Omnibus and Release  Agreement among GulfWest Energy Inc.,
                    OCM GW Holdings,  LLC and those  signatories  set forth on
                    the  signature  page  thereto,  dated as of February  28,
                    2005.  (Previously  filed with the Form 13D,  Reg. No.
                    005-54301, filed with the Commission on March 10, 2005.)

         4.5        Share  Transfer  Restriction  Agreement  between J. Virgil
                    Waggoner  and OCM GW Holdings,  LLC,  dated February 28,
                    2005.  (Previously  filed with the Form 13D, Reg. No.
                    005-54301, filed with the Commission on March 10, 2005.)

         4.6        Irrevocable  Proxy  executed by J. Virgil  Waggoner  dated
                    February  28,  2005. (Previously  filed  with  the Form
                    13D,  Reg.  No.  005-54301,  filed  with the Commission on
                    March 10, 2005.)

         4.7        Exchange  Agreement between GulfWest Energy Inc. and
                    GulfWest Oil & Gas Company, dated February 28, 2005.
                    (Previously  filed with our Annual Report on Form 10-K for
                    the year  ended  December  31,  2004,  File No.  001-12108,
                    filed  with the Commission on March 31, 2005.)

         4.8        Letter Agreement among OCM GW Holdings,  LLC, OCM Principal
                    Opportunities  Fund III,  L.P.,  OCM  Principal
                    Opportunities  Fund III GP,  LLC,  Oaktree  Capital
                    Management,  LLC, GulfWest Energy Inc., GuflWest Oil & Gas
                    Company and J. Virgil Waggoner  dated  February 28, 2005
                    (Previously  filed with our Annual Report on Form 10-K for
                    the year ended December 31, 2004, File No.  001-12108,
                    filed with the Commission on March 31, 2005.)

         4.9        Subscription  Agreement  among  OCM GW  Holdings,  LLC,
                    Allan D. Keel and those individuals  listed on the
                    signature  page  thereto,  dated  February 28, 2005.
                    (Previously  filed  with  the Form  13D,  Reg.  No.
                    005-54301,  filed  with the Commission on March 10, 2005.)

         4.10       First  Amendment to Warrant  Agreement  among GulfWest
                    Energy Inc.,  D.B. Zwirn Special  Opportunities  Fund, L.P.
                    and Drawbridge  Special  Opportunities  Fund, dated February
                    28, 2005.  (Previously  filed with our Annual Report on Form
                    10-K for the year  ended  December  31,  2004,  File No.
                    001-12108,  filed  with the Commission on March 31, 2005.)

         4.11*      Registration  Rights Agreement,  dated March 20, 2006, among
                    Crimson Exploration Inc. and the stockholders of Core
                    Natural Resources, Inc.

         10.1       Employment  Agreement  between Allan D. Keel and GulfWest
                    Energy,  Inc.,  dated February 28,  2005.  (Previously
                    filed with our Annual  Report on Form 10-K for the year
                    ended December 31, 2004, File No. 001-12108,  filed with the
                    Commission on March 31, 2005.)

         10.2       Employment  Agreement  between E. Joseph Grady and GulfWest
                    Energy,  Inc., dated February 28,  2005.  (Previously  filed
                    with our Annual  Report on Form 10-K for the year ended
                    December 31, 2004, File No. 001-12108,  filed with the
                    Commission on March 31, 2005.)

         10.3       GulfWest  Oil  Company  1994 Stock  Option and  Compensation
                    Plan,  amended and restated as of April 1, 2001 and approved
                    by the  shareholders  on May 18, 2001. (Previously  filed
                    with our Proxy  Statement  on Form DEF 14A,  filed  with the
                    Commission on April 16, 2001.)



        10.4        GulfWest Energy Inc. 2004 Stock Option  Incentive Plan.
                    (Previously  filed with our Annual  Report on Form 10-K for
                    the year ended  December 31, 2004,  File No. 001-12108,
                    filed with the Commission on March 31, 2005.)

        10.5        GulfWest Energy Inc. 2005 Stock Option  Incentive Plan.
                    (Previously  filed with our Annual  Report on Form 10-K for
                    the year ended  December 31, 2004,  File No. 001-12108,
                    filed with the Commission on March 31, 2005.)

        10.6*       Form of 2005 Stock Incentive Plan Stock Option Agreement.

        10.7        Form of Warrant  Agreement.  (Previously  filed  with our
                    Annual  Report on Form 10-K for the year ended December 31,
                    2004,  File No.  001-12108,  filed with the Commission on
                    March 31, 2005.)

        10.8        Form of  Indemnification  Agreement for  directors  and
                    officers. (Previously filed with our Form 8-K, Reg. No.
                    001-12108,  filedwith the  Commission on July 21, 2005.)

        10.9        Letter Agreement among D.B. Zwirn Special  Opportunities
                    Fund, LP, GulfWest Oil & Gas Company,  and Drawbridge
                    Special  Opportunities Fund, LP, dated January 7, 2005.
                    (Previously  filed with our Annual Report on Form 10-K for
                    the year ended December 31, 2004,  File No.  001-12108,
                    filed with the Commission on March 31, 2005.)

        10.10       Series  G  Subscription  Agreement  between  GulfWest
                    Energy  Inc.  and  OCM GW Holdings,  LLC dated  February
                    28, 2005.  (Previously  filed with the Form 13D, Reg. No.
                    005-54301, filed with the Commission on March 10, 2005.)

        10.11       Series A Subscription  Agreement  between  GulfWest Oil &
                    Gas Company and OCW GW Holdings,  LLC dated  February  28,
                    2005.  (Previously  filed with the Form 13D, Reg. No.
                    005-54301, filed with the Commission on March 10, 2005.)

        10.12       Letter Agreement between W.L. Addison Investment,  L.L.C.,
                    GulfWest Energy Inc., and  Setex  Oil and  Gas  Company
                    dated  February  24,  2005  extending  Option Agreement  for
                    the  Purchase  of Oil  and  Gas  Leases  dated  March  5,
                    2004. (Previously  filed  with our  Annual  Report  on Form
                    10-K  for the year  ended December 31, 2004,  File No.
                    001-12108,  filed with the Commission on March 31, 2005.)

        10.13       Letter Agreement between W.L. Addison Investment,  L.L.C.,
                    GulfWest Energy Inc., and Setex Oil and Gas Company  dated
                    July 15, 2004  extending  Option  Agreement for the
                    Purchase of Oil and Gas Leases dated March 5, 2004.
                    (Previously  filed with our Annual Report on Form 10-K for
                    the year ended  December 31, 2004,  File No. 001-12108,
                    filed with the Commission on March 31, 2005.)

        10.14       Oil and Gas Property  Acquisition,  Exploration and
                    Development  Agreement with Summit Investment  Group-Texas,
                    L.L.C.  effective December 1, 2001. (Previously filed with
                    our Registration  Statement on Form S-1, Reg. No.
                    333-116048, filed with the Commission on June 1, 2004.)

        10.15       Credit  Facility  between  GulfWest  Energy Inc.  and
                    Highbridge/Zwirn  Special Opportunities  Fund,  L.P.,  and
                    Drawbridge  Special   Opportunities  Fund  LP, Grantees,
                    dated  and  effective  April 29,  2004.  (Previously  filed
                    with our Registration  Statement  on Form  S-1,  Reg.  No.
                    333-116048,  filed  with  the Commission on June 1, 2004.)

        10.16       Employment  Agreement between Tracy Price and GulfWest
                    Energy Inc., dated April 1,  2005.  (Previously  filed  with
                    our Post  Effective  Amendment  No. 1 to our Registration
                    Statement  on Form  S-1,  Reg.  No.  333-116048,  filed
                    with  the Commission on April 6, 2005.)




        10.17       Employment  Agreement  between  Tommy  Atkins and GulfWest
                    Energy Inc.,  dated April 1, 2005.  (Previously  filed with
                    our Post  Effective  Amendment  No. 1 to our  Registration
                    Statement on Form S-1,  Reg. No.  333-116048,  filed with
                    the Commission on April 6, 2005.)

        10.18       Employment  Agreement  between Jay S. Mengle and GulfWest
                    Energy  Inc.,  dated April 1, 2005.  (Previously  filed with
                    our Post  Effective  Amendment  No. 1 to our  Registration
                    Statement on Form S-1,  Reg. No.  333-116048,  filed with
                    the Commission on April 6, 2005.)

        10.19       Employment  Agreement between Thomas R. Kaetzer and GulfWest
                    Energy Inc., dated April 1, 2005.  (Previously  filed with
                    our Post  Effective  Amendment  No. 1 to our  Registration
                    Statement on Form S-1,  Reg. No.  333-116048,  filed with
                    the Commission on April 6, 2005.)

        10.20       Summary terms of June 2005 Director  Compensation Plan.
                    (Previously filed with our Post Effective  Amendment No. 2
                    to our  Registration  Statement on Form S-1, Reg. No.
                    333-116048, filed with the Commission on July 27, 2005.)

        10.21       Credit  Agreement,  dated July 15, 2005, among Crimson
                    Exploration Inc., Wells Fargo,  N.A.,  as agent and a
                    lender,  and each lender from time to time a party thereto.
                    (Previously  filed with our Form 8-K, Reg. No.  001-12108,
                    filed with the Commission on July 21, 2005.)

        10.22       Form of director restricted stock grant. (Previously  filed
                    with our Form 8-K, Reg. No. 001-12108, filed with the
                    Commission on July 21, 2005.)

        10.24**     First Amendment to Credit Agreement, dated as of March 6,
                    2006, among Crimson Exploration, Inc., Crimson Exploration
                    Operating, Inc., LTW Pipeline Co., and Wells Fargo Bank,
                    National Association.

        21.1**      Subsidiaries of the Registrant.

        23.1**      Consent of Grant Thornton LLP.

        23.2*       Consent of Weaver and Tidwell, L.L.P.

        25**        Power of Attorney.

        31.1*       Certification  of  Chief  Executive  Officer  pursuant  to
                    Section  302  of the Sarbanes-Oxley Act of 2002

        31.2*       Certification  of  Chief  Financial  Officer  pursuant  to
                    Section  302  of the Sarbanes-Oxley Act of 2002

        32.1**      Certification  of Chief  Executive  Officer  pursuant to
                    18.U.S.C  Section  1350 pursuant to Section 906 of the
                    Sarbanes-Oxley Act of 2002 filed herewith.

        32.2**      Certification   Chief  Financial  Officer  pursuant  to
                    18.U.S.C  Section  1350 pursuant to Section 906 of the
                    Sarbanes-Oxley Act of 2002 filed herewith.

*    Filed herewith

** Previously filed




                                   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.

                                                  CRIMSON EXPLORATION INC.

Date:      April 26,2006                          By    \s\ Allan D. Keel
                                                       -------------------------
                                                        Allan D. Keel, President

     Pursuant to the requirements of the Securities Exchange Act of 1934, this
report has been signed below by the following persons, on behalf of the
registrant, and in the capacities and on the dates indicated.


        Signature                          Title                       Date
--------------------------- ------------------------------------- --------------


/s/ Allan D. Keel           President, Chief Executive Officer    April 26, 2006
-----------------           and Director
Allan D. Keel

/s/ E. Joseph Grady         Senior Vice President and             April 26, 2006
-------------------         Chief Financial Officer
E. Joseph Grady

/s/ Richard L. Creel        Vice President Finance and            April 26, 2006
--------------------        Chief Accounting Officer
Richard L. Creel

/s/ Skardon F. Baker*       Director                              April 26, 2006
--------------------
Skardon F. Baker

/s/B. James Ford*           Director                              April 26, 2006
----------------
B. James Ford

/s/ Lon Mc Cain*            Director                              April 26, 2006
---------------
Lon Mc Cain

/s/ Lee B. Backsen*         Director                              April 26, 2006
------------------
Lee B. Backsen

*/s/ Allan D. Keel
 -----------------
 Allan D. Keel,
 Attorney-in Fact
 pursuant to a power
 of attorney previously
 granted




                                INDEX TO EXHIBITS

Number        Description
------        -----------

2.1**         Agreement and Plan of Merger, dated March 14, 2006, among
              Crimson Exploration, Inc., Crimson Exploration Operating, Inc.,
              Core Natural Resources, Inc. and its stockholders.

3.1           Certificate of Incorporation of the Registrant.
              (Previously filed on our current report on Form 8-K filed July 5,
              2005.)

3.2           Certificate of Designation, Preferences and Rights of Series D
              Preferred Stock. (Previously filed on our current report on Form
              8-K filed July 5, 2005.)

3.3           Certificate of Designation,  Preferences  and Rights of Cumulative
              Convertible Preferred Stock,  Series E. (Previously  filed on our
              current report on Form 8-K filed July 5, 2005.)

3.4           Certificate  of  Designation,  Preferences  and Rights of Series G
              Convertible Preferred  Stock.  (Previously  filed on our  current
              report  on Form 8-K filed July 5, 2005.)

3.5           Certificate of Designation, Preferences and Rights of Series H
              Convertible Preferred Stock.  (Previously filed on our current
              report on Form 8-K filed July 5, 2005.)

3.6           Bylaws of the  Registrant.  (Previously  filed on our current
              report on Form 8-K filed July 5, 2005.)

4.1           Letter  Agreement  by and  among  GulfWest  Energy  Inc.,  a Texas
              corporation, GulfWest  Oil & Gas  Company  and the  investors
              listed on the  signature  page thereof,  dated April 22,  2004.
              (Previously  filed with our Current  Report on Form 8-K, dated
              April 29, 2004 and filed with the Commission on May 10, 2004.)

4.2           Warrant   Agreement   made   by  and   between   GulfWest   Energy
              Inc.,   and Highbridge/Zwirn  Special  Opportunities  FUND,  L.P.,
              and  Drawbridge  Special Opportunities   Fund  LP,   Grantees,
              dated  and  effective  April  29,  2004. (Previously  filed with
              our Current  Report on Form 8-K dated April 29, 2004 and filed
              with the Commission on May 10, 2004.)

4.3           Shareholders  Rights Agreement between GulfWest Energy Inc. and
              OCM GW Holdings, LLC dated  February  28,  2005.  (Previously
              filed with the Form 13D,  Reg. No. 005-54301, filed with the
              Commission on March 10, 2005.)

4.4           Omnibus and Release  Agreement among GulfWest Energy Inc., OCM GW
              Holdings,  LLC and those  signatories  set forth on the  signature
              page  thereto,  dated as of February  28, 2005.  (Previously
              filed with the Form 13D,  Reg. No.  005-54301, filed with the
              Commission on March 10, 2005.)

4.5           Share  Transfer  Restriction  Agreement  between J. Virgil
              Waggoner  and OCM GW Holdings,  LLC,  dated February 28, 2005.
              (Previously  filed with the Form 13D, Reg. No. 005-54301, filed
              with the Commission on March 10, 2005.)

4.6           Irrevocable  Proxy  executed by J. Virgil  Waggoner  dated
              February  28,  2005. (Previously  filed  with  the Form  13D,
              Reg.  No.  005-54301,  filed  with the Commission on March 10,
              2005.)

4.7           Exchange  Agreement between GulfWest Energy Inc. and GulfWest Oil
              & Gas Company, dated February 28, 2005.  (Previously  filed with
              our Annual Report on Form 10-K for the year  ended  December  31,
              2004,  File No.  001-12108,  filed  with the Commission on
              March 31, 2005.)



4.8           Letter Agreement among OCM GW Holdings,  LLC, OCM Principal
              Opportunities  Fund III,  L.P.,  OCM  Principal  Opportunities
              Fund III GP,  LLC,  Oaktree  Capital Management,  LLC, GulfWest
              Energy Inc., GuflWest Oil & Gas Company and J. Virgil Waggoner
              dated  February 28, 2005  (Previously  filed with our Annual
              Report on Form 10-K for the year ended December 31, 2004, File No.
              001-12108,  filed with the Commission on March 31, 2005.)

4.9           Subscription  Agreement  among  OCM GW  Holdings,  LLC,  Allan D.
              Keel and those individuals  listed on the  signature  page
              thereto,  dated  February 28, 2005. (Previously  filed  with  the
              Form  13D,  Reg.  No.  005-54301,  filed  with the Commission on
              March 10, 2005.)

4.10          First  Amendment to Warrant  Agreement  among GulfWest  Energy
              Inc.,  D.B. Zwirn Special  Opportunities  Fund, L.P. and
              Drawbridge  Special  Opportunities  Fund, dated February 28, 2005.
              (Previously  filed with our Annual Report on Form 10-K for the
              year  ended  December  31,  2004,  File No.  001-12108,  filed
              with the Commission on March 31, 2005.)

4.11*         Registration  Rights Agreement,  dated March 20, 2006, among
              Crimson Exploration Inc. and the stockholders of Core Natural
              Resources, Inc.

10.1          Employment  Agreement  between Allan D. Keel and GulfWest  Energy,
              Inc.,  dated February 28,  2005.  (Previously  filed with our
              Annual  Report on Form 10-K for the year ended December 31, 2004,
              File No. 001-12108,  filed with the Commission on March 31, 2005.)

10.2          Employment  Agreement  between E. Joseph Grady and GulfWest
              Energy,  Inc., dated February 28,  2005.  (Previously  filed with
              our Annual  Report on Form 10-K for the year ended December 31,
              2004, File No. 001-12108,  filed with the Commission on March 31,
              2005.)

10.3          GulfWest  Oil  Company  1994 Stock  Option and  Compensation
              Plan,  amended and restated as of April 1, 2001 and approved by
              the  shareholders  on May 18, 2001. (Previously  filed  with our
              Proxy  Statement  on Form DEF 14A,  filed  with the Commission on
              April 16, 2001.)

10.4          GulfWest Energy Inc. 2004 Stock Option  Incentive Plan.
              (Previously  filed with our Annual  Report on Form 10-K for the
              year ended  December 31, 2004,  File No. 001-12108, filed with the
              Commission on March 31, 2005.)

10.5          GulfWest Energy Inc. 2005 Stock Option  Incentive Plan.
              (Previously  filed with our Annual  Report on Form 10-K for the
              year ended  December 31, 2004,  File No. 001-12108, filed with the
              Commission on March 31, 2005.)

10.6*         Form of 2005 Stock Incentive Plan Stock Option Agreement.

10.7          Form of Warrant  Agreement.  (Previously  filed  with our Annual
              Report on Form 10-K for the year ended December 31, 2004,  File
              No.  001-12108,  filed with the Commission on March 31, 2005.)

10.8          Form of  Indemnification  Agreement for  directors  and  officers.
              (Previously filed with our Form 8-K, Reg. No.  001-12108,
              filedwith the  Commission on July 21, 2005.)

10.9          Letter Agreement among D.B. Zwirn Special  Opportunities  Fund,
              LP, GulfWest Oil & Gas Company,  and Drawbridge Special
              Opportunities Fund, LP, dated January 7, 2005.  (Previously  filed
              with our Annual Report on Form 10-K for the year ended December
              31, 2004,  File No.  001-12108,  filed with the Commission on
              March 31, 2005.)



10.10         Series  G  Subscription  Agreement  between  GulfWest  Energy
              Inc.  and  OCM GW Holdings,  LLC dated  February  28, 2005.
              (Previously  filed with the Form 13D, Reg. No. 005-54301, filed
              with the Commission on March 10, 2005.)

10.11         Series A Subscription  Agreement  between  GulfWest Oil & Gas
              Company and OCW GW Holdings,  LLC dated  February  28, 2005.
              (Previously  filed with the Form 13D, Reg. No. 005-54301, filed
              with the Commission on March 10, 2005.)

10.12         Letter Agreement between W.L. Addison Investment,  L.L.C.,
              GulfWest Energy Inc., and  Setex  Oil and  Gas  Company  dated
              February  24,  2005  extending  Option Agreement  for  the
              Purchase  of Oil  and  Gas  Leases  dated  March  5,  2004.
              (Previously  filed  with our  Annual  Report  on Form  10-K  for
              the year  ended December 31, 2004,  File No.  001-12108,  filed
              with the Commission on March 31, 2005.)

10.13         Letter Agreement between W.L. Addison Investment,  L.L.C.,
              GulfWest Energy Inc., and Setex Oil and Gas Company  dated July
              15, 2004  extending  Option  Agreement for the  Purchase of Oil
              and Gas Leases dated March 5, 2004.  (Previously  filed with our
              Annual Report on Form 10-K for the year ended  December 31, 2004,
              File No. 001-12108, filed with the Commission on March 31, 2005.)

10.14         Oil and Gas Property  Acquisition,  Exploration and  Development
              Agreement with Summit Investment  Group-Texas,  L.L.C.  effective
              December 1, 2001. (Previously filed with our Registration
              Statement on Form S-1, Reg. No.  333-116048,  filed with the
              Commission on June 1, 2004.)

10.15         Credit  Facility  between  GulfWest  Energy Inc.  and
              Highbridge/Zwirn  Special Opportunities  Fund,  L.P.,  and
              Drawbridge  Special   Opportunities  Fund  LP, Grantees,  dated
              and  effective  April 29,  2004.  (Previously  filed  with our
              Registration  Statement  on Form  S-1,  Reg.  No.  333-116048,
              filed  with  the Commission on June 1, 2004.)

10.16         Employment  Agreement between Tracy Price and GulfWest Energy
              Inc., dated April 1,  2005.  (Previously  filed  with our Post
              Effective  Amendment  No. 1 to our Registration  Statement  on
              Form  S-1,  Reg.  No.  333-116048,  filed  with  the Commission on
              April 6, 2005.)

10.17         Employment  Agreement  between  Tommy  Atkins and GulfWest  Energy
              Inc.,  dated April 1, 2005.  (Previously  filed with our Post
              Effective  Amendment  No. 1 to our  Registration  Statement on
              Form S-1,  Reg. No.  333-116048,  filed with the Commission on
              April 6, 2005.)

10.18         Employment  Agreement  between Jay S. Mengle and GulfWest  Energy
              Inc.,  dated April 1, 2005.  (Previously  filed with our Post
              Effective  Amendment  No. 1 to our  Registration  Statement on
              Form S-1,  Reg. No.  333-116048,  filed with the Commission on
              April 6, 2005.)

10.19         Employment  Agreement between Thomas R. Kaetzer and GulfWest
              Energy Inc., dated April 1, 2005.  (Previously  filed with our
              Post  Effective  Amendment  No. 1 to our  Registration  Statement
              on Form S-1,  Reg. No.  333-116048,  filed with the Commission on
              April 6, 2005.)

10.20         Summary terms of June 2005 Director  Compensation Plan.
              (Previously filed with our Post Effective  Amendment No. 2 to our
              Registration  Statement on Form S-1, Reg. No.  333-116048, filed
              with the Commission on July 27, 2005.)

10.21         Credit  Agreement,  dated July 15, 2005, among Crimson
              Exploration Inc., Wells Fargo,  N.A.,  as agent and a lender,  and
              each lender from time to time a party thereto.  (Previously  filed
              with our Form 8-K, Reg. No.  001-12108,  filed with the Commission
              on July 21, 2005.)



10.22        Form of director restricted stock grant. (Previously  filed with
             our Form 8-K, Reg. No. 001-12108, filed with the Commission on
             July 21, 2005.)

10.24**      First Amendment to Credit Agreement, dated as of March 6, 2006,
             among Crimson Exploration, Inc., Crimson Exploration Operating,
             Inc., LTW Pipeline Co., and Wells Fargo Bank, National Association.

21.1**       Subsidiaries of the Registrant.

23.1**       Consent of Grant Thornton LLP.

23.2*        Consent of Weaver and Tidwell, L.L.P.

25**         Power of Attorney.

31.1*        Certification  of  Chief  Executive  Officer  pursuant  to  Section
             302  of the Sarbanes-Oxley Act of 2002

31.2*        Certification  of  Chief  Financial  Officer  pursuant  to  Section
             302  of the Sarbanes-Oxley Act of 2002

32.1**       Certification  of Chief  Executive  Officer  pursuant to 18.U.S.C
             Section  1350 pursuant to Section 906 of the Sarbanes-Oxley Act of
             2002; filed herewith.

32.2**       Certification   Chief  Financial  Officer  pursuant  to  18.U.S.C
             Section  1350 pursuant to Section 906 of the Sarbanes-Oxley Act of
             2002; filed herewith.

*    Filed herewith

** Previously filed