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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 EvgWuOc/Wro1TLpaq7h/VzlAElFEK8AsLIkW74/emD9guCra8+Gcm+X2VtU5xwx3
 ezOJomMptAITasFQYujl9w==

<SEC-DOCUMENT>0001197354-03-000002.txt : 20030701
<SEC-HEADER>0001197354-03-000002.hdr.sgml : 20030701
<ACCEPTANCE-DATETIME>20030701094654
ACCESSION NUMBER:		0001197354-03-000002
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030630
FILED AS OF DATE:		20030701

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MARTIN ROGER G
		CENTRAL INDEX KEY:			0001197354

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-09735
		FILM NUMBER:		03766454

	BUSINESS ADDRESS:	
		STREET 1:		C/O BERRY PETROLEUM CO
		STREET 2:		5201 TRUXTUN AVE STE 300
		CITY:			BAKERSFIELD
		STATE:			CA
		ZIP:			93309

	MAIL ADDRESS:	
		STREET 1:		C/O BERRY PETROLEUM CO
		STREET 2:		5201 TRUXTUN AVE STE 300
		CITY:			BAKERSFIELD
		STATE:			CA
		ZIP:			93309

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BERRY PETROLEUM CO
		CENTRAL INDEX KEY:			0000778438
		STANDARD INDUSTRIAL CLASSIFICATION:	CRUDE PETROLEUM & NATURAL GAS [1311]
		IRS NUMBER:				770079387
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		5201 TRUXTUN AVENUE,
		STREET 2:		SUITE 300
		CITY:			BAKERSFIELD
		STATE:			CA
		ZIP:			93309-0640
		BUSINESS PHONE:		661 616-3900

	MAIL ADDRESS:	
		STREET 1:		BERRY PETROLEUM CO
		STREET 2:		5201 TRUXTUN AVENUE, SUITE 300
		CITY:			BAKERSFIELD
		STATE:			CA
		ZIP:			93309-0640
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0101</schemaVersion>

    <documentType>4</documentType><periodOfReport>2003-06-30</periodOfReport>
    <issuer>
        <issuerCik>0000778438</issuerCik>
        <issuerName>BERRY PETROLEUM CO</issuerName>
        <issuerTradingSymbol>BRY</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId>
            <rptOwnerCik>0001197354</rptOwnerCik>
            <rptOwnerName>MARTIN ROGER G</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>0</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>1</isOther><otherText>Former Director Resigned 01-03</otherText></reportingOwnerRelationship></reportingOwner><derivativeSecurity><securityTitle><value>Phantom Stock Units</value></securityTitle><conversionOrExercisePrice><value>0</value><footnoteId id="F1"/></conversionOrExercisePrice><transactionDate><value>2003-06-30</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>39</value></transactionShares><transactionValue><value>17.95</value></transactionValue><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>1988-08-08</value><footnoteId id="F2"/></exerciseDate><expirationDate><value>1988-08-08</value><footnoteId id="F3"/></expirationDate><underlyingSecurity><unde
rlyingSecurityTitle><value>Class A Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>39</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>4724</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></derivativeSecurity><footnotes><footnote id="F1">1 for 1</footnote><footnote id="F2">Phantom Stock Units acquired under the Company's Non-Employee Director Deferred Stock and Compensation Plan in a transaction exempt under Rule 16b-3(c).  Shares are exercisable under the terms of the Plan upon resignation from the Board.</footnote><footnote id="F3">Phantom Stock Units acquired under the Company's Non-Employee Director Deferred Stock and Compensation Plan in a transaction exempt under Rule 16b-3(c).  Shares expire under the terms of the Plan upon res
ignation from the Board.</footnote></footnotes><ownerSignature><signatureName>Kenneth A. Olson under POA for Roger G. Martin</signatureName><signatureDate>2003-07-01</signatureDate></ownerSignature></ownershipDocument>

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</SEC-DOCUMENT>
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