-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 Ml3rc2o1R/wyqGClIjFAdki3wdutNyhMh0RCn0ufqfBQFb/nChu6AlaFG2AQ8sSC
 wVuw5R6FDhfkrHuUwpNq9Q==

<SEC-DOCUMENT>0001181431-04-057390.txt : 20041208
<SEC-HEADER>0001181431-04-057390.hdr.sgml : 20041208
<ACCEPTANCE-DATETIME>20041208100118
ACCESSION NUMBER:		0001181431-04-057390
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20041206
FILED AS OF DATE:		20041208
DATE AS OF CHANGE:		20041208

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MISSION RESOURCES CORP
		CENTRAL INDEX KEY:			0000319459
		STANDARD INDUSTRIAL CLASSIFICATION:	CRUDE PETROLEUM & NATURAL GAS [1311]
		IRS NUMBER:				760437769
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1331 LAMAR
		STREET 2:		SUITE 1455
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77010
		BUSINESS PHONE:		7134953000

	MAIL ADDRESS:	
		STREET 1:		1221 LAMAR
		STREET 2:		STE 1600
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77010-3039

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BELLWETHER EXPLORATION CO
		DATE OF NAME CHANGE:	19920703

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WILLIAMSON HERBERT C III
		CENTRAL INDEX KEY:			0001202234

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-09498
		FILM NUMBER:		041189811

	BUSINESS ADDRESS:	
		STREET 1:		500 WEST ILLINOIS
		CITY:			MIDLAND
		STATE:			TX
		ZIP:			79701
		BUSINESS PHONE:		9154988600
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rrd60460.xml
<DESCRIPTION>WILLIAMSON DECEMBER 2004 FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-12-06</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000319459</issuerCik>
        <issuerName>MISSION RESOURCES CORP</issuerName>
        <issuerTradingSymbol>MSSN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001202234</rptOwnerCik>
            <rptOwnerName>WILLIAMSON HERBERT C III</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1331 LAMAR</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 1455</rptOwnerStreet2>
            <rptOwnerCity>HOUSTON</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77010</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>5.78</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2004-12-06</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>5000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2004-12-06</value>
            </exerciseDate>
            <expirationDate>
                <value>2014-12-06</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>5000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <ownerSignature>
        <signatureName>/s/ Leslee M. Ranly, Attorney-in-fact</signatureName>
        <signatureDate>2004-12-07</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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