<SEC-DOCUMENT>0001000229-19-000050-index.html : 20190402
<SEC-HEADER>0001000229-19-000050.hdr.sgml : 20190402
<ACCEPTANCE-DATETIME>20190402161254
ACCESSION NUMBER:		0001000229-19-000050
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190401
FILED AS OF DATE:		20190402
DATE AS OF CHANGE:		20190402

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Sodderland Jan Willem
		CENTRAL INDEX KEY:			0001522200

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14273
		FILM NUMBER:		19724791

	MAIL ADDRESS:	
		STREET 1:		DUINDISTEL 89
		CITY:			NOORDWIJK
		STATE:			P7
		ZIP:			2202 DE

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:		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>
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<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_155423595906081.xml
<DESCRIPTION>FORM 4
<TEXT>
Document 1 - file: wf-form4_155423595906081.html

Document 1 - RAW XML: wf-form4_155423595906081.xml

</DOCUMENT>
</SEC-DOCUMENT>