-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 KeZAbMio2xwRlfoH8bn2PfCcYltzLN5o11/O/UwxCczLAp18P5i3oTtMOr+f9hn4
 /RzG8IwYkvr7ljt/PBpoQg==

<SEC-DOCUMENT>0001015402-03-001615.txt : 20030506
<SEC-HEADER>0001015402-03-001615.hdr.sgml : 20030506
<ACCEPTANCE-DATETIME>20030506170930
ACCESSION NUMBER:		0001015402-03-001615
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030430
FILED AS OF DATE:		20030506

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DEVON ENERGY CORP /OK/
		CENTRAL INDEX KEY:			0000837330
		STANDARD INDUSTRIAL CLASSIFICATION:	CRUDE PETROLEUM & NATURAL GAS [1311]
		IRS NUMBER:				731333969
		STATE OF INCORPORATION:			OK
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		20 N BROADWAY STE 1500
		CITY:			OKLAHOMA CITY
		STATE:			OK
		ZIP:			73102-8260
		BUSINESS PHONE:		4052353611

	MAIL ADDRESS:	
		STREET 1:		20 NORTH BROADWAY SUITE 1500
		CITY:			OKLAHOMA CITY
		STATE:			OK
		ZIP:			73102-8260

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HACKETT JAMES T
		CENTRAL INDEX KEY:			0001185909

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-10067
		FILM NUMBER:		03684749

	BUSINESS ADDRESS:	
		STREET 1:		303 SOUTH TEMPLE DRIVE
		CITY:			DIBOLL
		STATE:			TX
		ZIP:			75941
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>

<ownershipDocument>

    <documentType>4</documentType>

    <periodOfReport>2003-04-30</periodOfReport>


    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000837330</issuerCik>
        <issuerName>DEVON ENERGY CORP /OK/</issuerName>
        <issuerTradingSymbol>DVN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001185909</rptOwnerCik>
            <rptOwnerName>HACKETT JAMES T</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeSecurity>
        <securityTitle>
            <value>Common</value>
        </securityTitle>
        <transactionDate>
            <value>2003-04-30</value>
        </transactionDate>
        <transactionCoding>
            <transactionFormType>4</transactionFormType>
            <transactionCode>A</transactionCode>
            <equitySwapInvolved>0</equitySwapInvolved>
        </transactionCoding>
        <transactionTimeliness>
            <value></value>
        </transactionTimeliness>
        <transactionAmounts>
            <transactionShares>
                <value>90</value>
            </transactionShares>
            <transactionValue>
                <value>47.25</value>
            </transactionValue>
            <transactionAcquiredDisposedCode>
                <value>A</value>
            </transactionAcquiredDisposedCode>
        </transactionAmounts>
        <postTransactionAmounts>
            <sharesOwnedFollowingTransaction>
                <value>41291</value>
                <footnoteId id="F1"/>
            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>
            <directOrIndirectOwnership>
                <value>I</value>
            </directOrIndirectOwnership>
            <natureOfOwnership>
                <value>See</value>
                <footnoteId id="F2"/>
            </natureOfOwnership>
        </ownershipNature>
    </nonDerivativeSecurity>

    <footnotes>
        <footnote id="F1">Also owned indirectly are 453 shares held in Ocean Retirement Savings Plan as of 4/30/2003; owned directly are 253,627 shares.</footnote>
        <footnote id="F2">Represents share interest held in OEI Supplemental Benefit Plan as of 4/30/2003.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Janice A. Dobbs, Attorney-in-fact for James T. Hackett</signatureName>
        <signatureDate>2003-05-06</signatureDate>
    </ownerSignature>

</ownershipDocument>

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