UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

________________

FORM 8-K

CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Date of report (Date of earliest event reported): July 27, 2005

CORE LABORATORIES N.V.

(Exact name of Registrant as specified in its charter)

Commission File Number 001-14273

The Netherlands	Not Applicable
(State or other jurisdiction of Incorporation or organization)	(I.R.S. Employer Identification No.)
Herengracht 424
1017 BZ Amsterdam
The Netherlands	Not Applicable
(Address of principal executive offices)	(Zip Code)

Registrant's telephone number, including area code: (31-20) 420-3191

Item 2.02 Results of Operations and Financial Condition

On July 27, 2005, Core Laboratories N.V. issued a press release announcing its 2005 second quarter financial results. The full text of the press release is set forth in Exhibit 99 attached hereto and is incorporated in this Report as if fully set forth herein.

The information in this Form 8-K shall not be deemed "filed" for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section. The information in this Current Report shall not be incorporated by reference into any registration statement pursuant to the Securities Act of 1933, as amended.

(a) Public announcement or release, filed as an exhibit to this Current Report on Form 8-K

Exhibit 99 Press release dated July 28, 2005.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	Core Laboratories N.V.
Dated: July 28, 2005	By	/s/ Richard L. Bergmark
		Richard L. Bergmark
		Chief Financial Officer

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

CORE LABORATORIES N.V.
EXHIBIT INDEX TO FORM 8-K

EXHIBIT NO.	ITEM
99	Press Release dated July 28, 2005