EX-23 2 ex23.txt CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS 1 EXHIBIT 23 CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the incorporation by reference of our report dated June 12, 2000, included in this Core Laboratories, Inc. Profit Sharing and Retirement Plan (the Plan) Annual Report on Form 11-K, for the year ended December 31, 1999, into the Plan's previously filed Form S-8 Registration Statement File No. 333-43859. ARTHUR ANDERSEN LLP Houston, Texas June 28, 2000 12