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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0001209191-07-017070.txt : 20070312
<SEC-HEADER>0001209191-07-017070.hdr.sgml : 20070312
<ACCEPTANCE-DATETIME>20070312145914
ACCESSION NUMBER:		0001209191-07-017070
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20070308
FILED AS OF DATE:		20070312
DATE AS OF CHANGE:		20070312

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CORE LABORATORIES N V
		CENTRAL INDEX KEY:			0001000229
		STANDARD INDUSTRIAL CLASSIFICATION:	OIL, GAS FIELD SERVICES, NBC [1389]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			P7
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1017 BZ AMSTERDAM
		STREET 2:		HERENGRACHT 424
		CITY:			THE NETHERLANDS
		STATE:			P7
		BUSINESS PHONE:		3124203191

	MAIL ADDRESS:	
		STREET 1:		6316 WINDFERN
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77040

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Perna Joseph R
		CENTRAL INDEX KEY:			0001301111

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14273
		FILM NUMBER:		07687365

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		609-818-1366

	MAIL ADDRESS:	
		STREET 1:		6 BROOKSIDE DRIVE
		CITY:			TITUSVILLE
		STATE:			NJ
		ZIP:			08560
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>h44496_1jrp.xml
<DESCRIPTION>MAIN DOCUMENT DESCRIPTION
<TEXT>
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    <periodOfReport>2007-03-08</periodOfReport>

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            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>05860</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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    <ownerSignature>
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</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----