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<SEC-DOCUMENT>0000000000-05-057614.txt : 20060802
<SEC-HEADER>0000000000-05-057614.hdr.sgml : 20060802
<ACCEPTANCE-DATETIME>20051115102433
<PRIVATE-TO-PUBLIC>
ACCESSION NUMBER:		0000000000-05-057614
CONFORMED SUBMISSION TYPE:	UPLOAD
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20051115

FILED FOR:		

	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:		UPLOAD

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>LETTER
<SEQUENCE>1
<FILENAME>filename1.txt
<TEXT>


							November 15, 2005


Mr. Richard L. Bergmark
Chief Financial Officer
Core Laboratories N.V.
Herengracht 424
1017 BZ Amersterdam
The Netherlands

	Re:	Core Laboratories N.V.
		Form 10-K for Fiscal Year Ended December 31, 2004
Filed March 13, 2005

Dear Mr. Bergmark:

      We have completed our review of your Form 10-K and related
filings and have no further comments at this time.

								Sincerely,


								April Sifford
								Branch Chief

cc:  Sandy Eisen
??

??

??


UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
100 F Street, N.E.
WASHINGTON, D.C. 20549

   DIVISION OF
CORPORATION FINANCE
MAIL STOP 7010


</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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