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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0001357400-10-000196.txt : 20100721
<SEC-HEADER>0001357400-10-000196.hdr.sgml : 20100721
<ACCEPTANCE-DATETIME>20100721094405
ACCESSION NUMBER:		0001357400-10-000196
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100510
FILED AS OF DATE:		20100721
DATE AS OF CHANGE:		20100721

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			French David L.
		CENTRAL INDEX KEY:			0001481332

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-04300
		FILM NUMBER:		10961612

	MAIL ADDRESS:	
		STREET 1:		C/O APACHE CORPORATION
		STREET 2:		2000 POST OAK BLVD., SUITE 100
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77056

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			APACHE CORP
		CENTRAL INDEX KEY:			0000006769
		STANDARD INDUSTRIAL CLASSIFICATION:	CRUDE PETROLEUM & NATURAL GAS [1311]
		IRS NUMBER:				410747868
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2000 POST OAK BLVD
		STREET 2:		STE 100
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77056-4400
		BUSINESS PHONE:		7132966000

	MAIL ADDRESS:	
		STREET 1:		2000 POST OAK BLVD
		STREET 2:		STE 100
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77056-4400

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	APACHE OIL CORP
		DATE OF NAME CHANGE:	19660830
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>f4afordlf.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2010-05-10</periodOfReport>

    <dateOfOriginalSubmission>2010-05-11</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000006769</issuerCik>
        <issuerName>APACHE CORP</issuerName>
        <issuerTradingSymbol>APA</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001481332</rptOwnerCik>
            <rptOwnerName>French David L.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2000 POST OAK BLVD</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 100</rptOwnerStreet2>
            <rptOwnerCity>HOUSTON</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77056</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Vice President</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <transactionDate>
                <value>2010-05-10</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>300.</value>
                    <footnoteId id="F3"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1381.</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <transactionDate>
                <value>2010-05-10</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F4"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>80.</value>
                    <footnoteId id="F3"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>95.96</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1301.</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">The shares of common stock of Apache are deemed to also  represent certain preferred stock purchase rights  ('Rights').  The Rights are not currently exercisable or  separately tradable and presently are evidenced by  certificates for shares of the common stock.  Value  attributable to such Rights, if any, is reflected in the  market price of the common stock.</footnote>
        <footnote id="F2">Vesting on 05/06/2010 of restricted stock units under  employer plan - data provided by plan administrator on  05/10/2010  Vesting occurs 25% per year over four years.</footnote>
        <footnote id="F3">Amended to correctly report the transactions in direct form of ownership rather than indirect.</footnote>
        <footnote id="F4">Shares withheld to cover required tax withholding on vesting of restricted stock effective as of 05/06/2010 - data  provided by plan administrator on 05/10/2010.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Cheri L. Peper, Attorney-in-Fact</signatureName>
        <signatureDate>2010-07-21</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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