Core Laboratories (CLB) 10-K 2011 FY Annual report

Exhibit 32.2

Certification of

Chief Financial Officer

Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

I, Richard L. Bergmark, Chief Financial Officer of Core Laboratories N.V. (the "Company"), hereby certify that the accompanying Annual Report on Form 10-K for the year ended December 31, 2011, filed by the Company with the Securities and Exchange Commission on the date hereof fully complies with the requirements of Section 13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934, as amended, (the "Report").

I further certify that the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date:	February 15, 2012	/s/ Richard L. Bergmark
		Name: Richard L. Bergmark
		Title: Chief Financial Officer