<SEC-DOCUMENT>0001678397-16-000005-index.html : 20160701
<SEC-HEADER>0001678397-16-000005.hdr.sgml : 20160701
<ACCEPTANCE-DATETIME>20160701154418
ACCESSION NUMBER:		0001678397-16-000005
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20160701
FILED AS OF DATE:		20160701
DATE AS OF CHANGE:		20160701

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:			Carnes Martha Z.
		CENTRAL INDEX KEY:			0001678397

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14273
		FILM NUMBER:		161746805

	MAIL ADDRESS:	
		STREET 1:		6316 WINDFERN ROAD
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77040
</SEC-HEADER>
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<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_146740224535269.xml
<DESCRIPTION>FORM 4
<TEXT>
Document 1 - file: wf-form4_146740224535269.html

Document 1 - RAW XML: wf-form4_146740224535269.xml

</DOCUMENT>
</SEC-DOCUMENT>