<SEC-DOCUMENT>0001564590-20-009131-index.html : 20200306
<SEC-HEADER>0001564590-20-009131.hdr.sgml : 20200306
<ACCEPTANCE-DATETIME>20200306140026
ACCESSION NUMBER:		0001564590-20-009131
CONFORMED SUBMISSION TYPE:	PRE 14A
PUBLIC DOCUMENT COUNT:		12
CONFORMED PERIOD OF REPORT:	20200520
FILED AS OF DATE:		20200306
DATE AS OF CHANGE:		20200306

FILER:

	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

	FILING VALUES:
		FORM TYPE:		PRE 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14273
		FILM NUMBER:		20693930

	BUSINESS ADDRESS:	
		STREET 1:		STRAWINSKYLAAN 913
		STREET 2:		TOWER A, LEVEL 9
		CITY:			1077 XX AMSTERDAM
		STATE:			P7
		ZIP:			1077 XX
		BUSINESS PHONE:		3124203191

	MAIL ADDRESS:	
		STREET 1:		6316 WINDFERN
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77040
</SEC-HEADER>
<DOCUMENT>
<TYPE>PRE 14A
<SEQUENCE>1
<FILENAME>clb-pre14a_20200520.htm
<DESCRIPTION>PRE 14A
<TEXT>
Document 1 - file: clb-pre14a_20200520.htm

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<SEQUENCE>2
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<TEXT>
Document 2 - file: gxd2tfq240su000002.jpg

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<SEQUENCE>3
<FILENAME>gxd2tfq240su000009.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: gxd2tfq240su000009.jpg

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<DOCUMENT>
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<SEQUENCE>4
<FILENAME>gxd2tfq240su000004.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: gxd2tfq240su000004.jpg

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<SEQUENCE>5
<FILENAME>gxd2tfq240su000006.jpg
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<TEXT>
Document 5 - file: gxd2tfq240su000006.jpg

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<TEXT>
Document 6 - file: gxd2tfq240su000011.jpg

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<FILENAME>gxd2tfq240su000008.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: gxd2tfq240su000008.jpg

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<SEQUENCE>8
<FILENAME>gxd2tfq240su000010.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: gxd2tfq240su000010.jpg

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<SEQUENCE>9
<FILENAME>gxd2tfq240su000005.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: gxd2tfq240su000005.jpg

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<SEQUENCE>10
<FILENAME>gxd2tfq240su000001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: gxd2tfq240su000001.jpg

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<TEXT>
Document 11 - file: gxd2tfq240su000003.jpg

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<SEQUENCE>12
<FILENAME>gxd2tfq240su000007.jpg
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<TEXT>
Document 12 - file: gxd2tfq240su000007.jpg

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