Exhibit 23.1

                       CONSENT OF INDEPENDENT ACCOUNTANTS

We hereby consent to the incorporation by reference in the Registration
Statements on Form S-8 (File Nos. 333-73772, 333-73774 and 333-43859) of Core
Laboratories N.V. of our report dated March 14, 2004 relating to the financial
statements, which appear in this Form 10-K.

PricewaterhouseCoopers LLP

Houston, Texas
March 15, 2004