Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

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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(Print or Type Responses)
1. Name and Address of Reporting Person *
OCM GW Holdings, LLC
  2. Issuer Name and Ticker or Trading Symbol
CRIMSON EXPLORATION INC. [CXPO.OB]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
333 SOUTH GRAND AVENUE, 28TH FLOOR, 
3. Date of Earliest Transaction (Month/Day/Year)
08/15/2007
(Street)

LOS ANGELES, CA 90071
4. If Amendment, Date 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
(City)
(State)
(Zip)
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 08/15/2007   P   750,000 A $ 6.97 1,988,486 D (1) (2) (3) (4)  

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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 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)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
OCM GW Holdings, LLC
333 SOUTH GRAND AVENUE, 28TH FLOOR
LOS ANGELES, CA 90071
    X    
OCM PRINCIPAL OPPORTUNITIES FUN III L P

 
    X    
OCM Principal Opportunities Fund III GP, LLC
333 S. GRAND AVE.
28TH FLOOR
LOS ANGELES, CA 90071
    X    
OAKTREE FUND GP I, L.P.
333 SOUTH GRAND AVENUE
28TH FLOOR
LOS ANGELES, CA 90071
    X    
Oaktree Capital I, L.P.
333 SOUTH GRAND AVENUE
28TH FLOOR
LOS ANGELES, CA 90071
    X    
OAKTREE HOLDINGS I, LLC
333 SOUTH GRAND AVENUE, 28TH FLOOR
LOS ANGELES, CA 90071
    X    
OAKTREE HOLDINGS, LLC
333 SOUTH GRAND AVENUE, 28TH FLOOR
LOS ANGELES, CA 90071
    X    
Oaktree Capital Group, LLC
333 SOUTH GRAND AVENUE
28TH FLOOR
LOS ANGELES, CA 90071
    X    
Oaktree Capital Group Holdings, L.P.
333 SOUTH GRAND AVENUE
28TH FLOOR
LOS ANGELES, CA 90071
    X    
Oaktree Capital Group Holdings GP, LLC
333 SOUTH GRAND AVENUE
28TH FLOOR
LOS ANGELES, CA 90071
    X    

Signatures

 See Signatures included in Exhibit 99.1   08/17/2007
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) OCM GW Holdings, LLC ("OCM GW") directly owns 1,988,486 shares of the common stock, par value $0.001 per share (the "Common Stock"), of Crimson Exploration Inc. (the "Issuer"). This Form 4 is also being filed by: (i) OCM Principal Opportunities Fund III, L.P. ("POF III"), in its capacity as the managing member of OCM GW and, therefore, has investment and voting control over the Common Stock held by OCM GW; (ii) OCM Principal Opportunities Fund III GP, LLC ("POF III GP"), in its capacity as the general partner of POF III, (iii) Oaktree Fund GP I, L.P. ("GP I"), in its capacity as the managing member of POF III GP; (iv) Oaktree Capital I, L.P. ("Capital I"), in its capacity as the general partner of GP I; (v) OCM Holdings I, LLC ("Holdings I"), in its capacity as the general partner of Capital I.
(2) This Form 4 is also being filed by: (i) Oaktree Holdings, LLC ("Holdings"), in its capacity as the managing member of Holdings I; (ii) Oaktree Capital Group, LLC ("OCG"), in its capacity as the managing member of Holdings; (iii) Oaktree Capital Group Holdings, L.P. ("OCGH"), in its capacity as the holder of a majority of the voting units of OCG; and (iv) Oaktree Capital Group Holdings GP, LLC ("OCGH GP", and together with OCM GW, POF III, POF III GP, GP I, Capital I, Holdings I, Holdings, OCG and OCGH, each a "Reporting Person" and collectively, the "Reporting Persons") in its capacity as the general partner of OCGH. Information with respect to each Reporting Person is given solely by such Reporting Person, and no such Reporting Person has responsibility for the accuracy or completeness of information supplied by another Reporting Person.
(3) Each Reporting Person disclaims beneficial ownership of all Common Stock reported herein except to the extent of their respective pecuniary interest therein and the filing of this Form 4 shall not be construed as an admission that any such Reporting Person is the beneficial owner of any Common Stock covered by this Form 4.
(4) OCGH GP is a limited liability company managed by an executive committee, the members of which are Howard S. Marks, Bruce A. Karsh, Sheldon M. Stone, D. Richard Masson, Larry W. Keele, Stephen A. Kaplan, John B. Frank, David M. Kirchheimer and Kevin L. Clayton (each, an "OCGH GP Member" and collectively, the "OCGH GP Members"). In such capacity, the OCGH GP Members may be deemed indirect beneficial owners of the Common Stock reported herein. Except to the extent of their respective pecuniary interest, each OCGH GP Member disclaims beneficial ownership of the Common Stock reported herein and the filing of this Form 4 shall not be construed as an admission that any such person is the beneficial owner of any Common Stock covered by this Form 4.

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