<SEC-DOCUMENT>0001000229-19-000056-index.html : 20190528
<SEC-HEADER>0001000229-19-000056.hdr.sgml : 20190528
<ACCEPTANCE-DATETIME>20190528161448
ACCESSION NUMBER:		0001000229-19-000056
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190523
FILED AS OF DATE:		20190528
DATE AS OF CHANGE:		20190528

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Barnett Gregory Barry
		CENTRAL INDEX KEY:			0001767269

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14273
		FILM NUMBER:		19857857

	MAIL ADDRESS:	
		STREET 1:		853 MILWAUKEE STREET
		CITY:			DENVER
		STATE:			CO
		ZIP:			80206

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>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_155907447363329.xml
<DESCRIPTION>FORM 4
<TEXT>
Document 1 - file: wf-form4_155907447363329.html

Document 1 - RAW XML: wf-form4_155907447363329.xml

</DOCUMENT>
</SEC-DOCUMENT>