<SEC-DOCUMENT>0001000229-18-000046-index.html : 20180323 <SEC-HEADER>0001000229-18-000046.hdr.sgml : 20180323 <ACCEPTANCE-DATETIME>20180323122932 ACCESSION NUMBER: 0001000229-18-000046 CONFORMED SUBMISSION TYPE: DEFA14A PUBLIC DOCUMENT COUNT: 2 FILED AS OF DATE: 20180323 DATE AS OF CHANGE: 20180323 EFFECTIVENESS DATE: 20180323 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: DEFA14A SEC ACT: 1934 Act SEC FILE NUMBER: 001-14273 FILM NUMBER: 18709275 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>DEFA14A <SEQUENCE>1 <FILENAME>a2018definitiveproxyadditi.htm <DESCRIPTION>DEFA14A <TEXT> Document 1 - file: a2018definitiveproxyadditi.htm
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