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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 QaUaQj03RbtSNlPHfrsvBkizjVcZ487Pg2iJSXV8H2/sFwanMuukK3rEUIIu5t2s
 5Y11xO4BpT24XD8OEh7Eig==

<SEC-DOCUMENT>0000813779-09-000067.txt : 20090910
<SEC-HEADER>0000813779-09-000067.hdr.sgml : 20090910
<ACCEPTANCE-DATETIME>20090910170457
ACCESSION NUMBER:		0000813779-09-000067
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090908
FILED AS OF DATE:		20090910
DATE AS OF CHANGE:		20090910

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Mengle Jay S
		CENTRAL INDEX KEY:			0001322940

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-21644
		FILM NUMBER:		091063349

	MAIL ADDRESS:	
		STREET 1:		C/O CRIMSON EXPLORATION INC.
		STREET 2:		717 TEXAS AVENUE, SUITE 2900
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77002

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CRIMSON EXPLORATION INC.
		CENTRAL INDEX KEY:			0000813779
		STANDARD INDUSTRIAL CLASSIFICATION:	CRUDE PETROLEUM & NATURAL GAS [1311]
		IRS NUMBER:				203037840
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		717 TEXAS AVENUE
		STREET 2:		SUITE 2900
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77002
		BUSINESS PHONE:		7132367400

	MAIL ADDRESS:	
		STREET 1:		717 TEXAS AVENUE
		STREET 2:		SUITE 2900
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77002

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GULFWEST ENERGY INC
		DATE OF NAME CHANGE:	20010523

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GULFWEST OIL CO
		DATE OF NAME CHANGE:	19960515

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GULFWEST ENERGY INC//
		DATE OF NAME CHANGE:	19920924
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4-mengle_ex.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-09-08</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000813779</issuerCik>
        <issuerName>CRIMSON EXPLORATION INC.</issuerName>
        <issuerTradingSymbol>CXPO.OB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001322940</rptOwnerCik>
            <rptOwnerName>Mengle Jay S</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CRIMSON EXPLORATION INC.</rptOwnerStreet1>
            <rptOwnerStreet2>717 TEXAS AVENUE, SUITE 2900</rptOwnerStreet2>
            <rptOwnerCity>HOUSTON</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77002</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Sr Vice President</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <transactionDate>
                <value>2009-09-08</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1406</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>2.7</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>154414</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Withholding of stock to satisfy tax withholding obligations.</footnote>
    </footnotes>

    <remarks>This form has been signed by Stephen W. Schoppe, Acting Secretary for Crimson Exploration Inc., on behalf of Mr. Mengle
 pursuant to an instrument of power of attorney dated April 1, 2007.  The authority granted pursuant to such instrument is to
 remain in full force and effect until rescinded in writing by Mr. Mengle.</remarks>

    <ownerSignature>
        <signatureName>Stephen W. Schoppe</signatureName>
        <signatureDate>2009-09-10</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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