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<TITLE>Core Laboratories NV</TITLE>
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<B><FONT SIZE=2><P ALIGN="CENTER">&nbsp;</P>
<P ALIGN="CENTER">&nbsp;</P>
</FONT><FONT SIZE=4><P ALIGN="CENTER">UNITED STATES</P>
<P ALIGN="CENTER">SECURITIES AND EXCHANGE COMMISSION</P>
</FONT><FONT SIZE=2><P ALIGN="CENTER">Washington, D.C. 20549</P>
</B><P ALIGN="CENTER">________________</P>
</FONT><B><FONT SIZE=5><P align="center">&#9;FORM 8-K</P>
</B></FONT><FONT SIZE=2><P ALIGN="CENTER">CURRENT REPORT</P>
<P ALIGN="CENTER">PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934</P>
<P ALIGN="CENTER">Date of report:  <B>April 26, 2004</P>
</B><P ALIGN="CENTER">(Date of earliest event reported):<B>  April 22, 2004</P>
</FONT><FONT SIZE=5><P ALIGN="CENTER">&nbsp;</P>
</B></FONT><FONT SIZE=2>
<P>&nbsp;</P>
</FONT><B><FONT FACE="Times" SIZE=5><P ALIGN="CENTER">CORE LABORATORIES N.V.</P>
</B></FONT><FONT SIZE=2><P ALIGN="CENTER">(Exact name of Registrant as specified in its charter)</P>
<P ALIGN="CENTER">Commission File Number 001-14273</P>
<P ALIGN="CENTER">&nbsp;</P></FONT>
<P ALIGN="CENTER"><CENTER><TABLE CELLSPACING=0 BORDER=0 WIDTH=680 cellpadding="0">
<TR><TD WIDTH="51%" VALIGN="MIDDLE">
<B><FONT SIZE=2><P ALIGN="CENTER">The Netherlands</B></FONT></TD>
<TD WIDTH="49%" VALIGN="MIDDLE">
<B><FONT SIZE=2><P ALIGN="CENTER">Not Applicable</B></FONT></TD>
</TR>
<TR><TD WIDTH="51%" VALIGN="MIDDLE">
<FONT SIZE=2><P ALIGN="CENTER">(State or other jurisdiction of Incorporation or organization)</FONT></TD>
<TD WIDTH="49%" VALIGN="MIDDLE">
<FONT SIZE=2><P ALIGN="CENTER">(I.R.S. Employer Identification No.)</FONT></TD>
</TR>
<TR><TD WIDTH="51%" VALIGN="MIDDLE">
<P>&nbsp;</TD>
<TD WIDTH="49%" VALIGN="MIDDLE">
<P>&nbsp;</TD>
</TR>
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<B><FONT SIZE=2><P ALIGN="CENTER">Herengracht 424</B></FONT></TD>
<TD WIDTH="49%" VALIGN="MIDDLE">
<P>&nbsp;</TD>
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<B><FONT SIZE=2><P ALIGN="CENTER">1017 BZ Amsterdam</B></FONT></TD>
<TD WIDTH="49%" VALIGN="MIDDLE">
<P>&nbsp;</TD>
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<B><FONT SIZE=2><P ALIGN="CENTER">The Netherlands</B></FONT></TD>
<TD WIDTH="49%" VALIGN="MIDDLE">
<B><FONT SIZE=2><P ALIGN="CENTER">Not Applicable</B></FONT></TD>
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<FONT SIZE=2><P ALIGN="CENTER">(Address of principal executive offices)</FONT></TD>
<TD WIDTH="49%" VALIGN="MIDDLE">
<FONT SIZE=2><P ALIGN="CENTER">(Zip Code)</FONT></TD>
</TR>
<TR><TD WIDTH="51%" VALIGN="MIDDLE">
<P>&nbsp;</TD>
<TD WIDTH="49%" VALIGN="MIDDLE">
<P>&nbsp;</TD>
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</TABLE>
</CENTER>

<FONT SIZE=2><P ALIGN="CENTER">Registrant's telephone number, including area code: <B>(31-20) 420-3191</P>
<hr>
<P ALIGN="CENTER">&nbsp;</P>
</B><P>ITEM 2. ACQUISITION OR DISPOSTION OF ASSETS</P>

<P>On April 22, 2004, Core Laboratories sold its specialized geophysical and seismic-related assets and business to Paradigm Geotechnology, a privately held company, for approximately $18.4 million in cash proceeds in addition to certain assumed liabilities.  The amount of consideration paid was determined in arms-length negotiations between the parties.  The transaction includes certain assets and liabilities in Calgary and Houston and two entities in Mexico, all of which are a part of Core Laboratories Reservoir Management segment.  The final purchase price will be subject to certain working capital adjustments.</P>

<P>&nbsp;</P>
<P>ITEM 7. FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS</P>

<OL TYPE="a">

<LI>Financial Statements of business acquired</LI>

<P>Not applicable</P>

<LI>Pro Forma Financial Information</LI>

<P>As of the date of filing this Current Report on Form 8-K, it is impracticable for the Company to provide the pro forma financial information required by this Item 7(b). In accordance with Item 7(b)(2) of Form 8-K, such financial statements shall be filed by an amendment to this Current Report on Form 8-K no later than May 7, 2004.</P>
<LI>Exhibits</LI></OL>

<DIR>

<P>None</P>

<P>&nbsp;</P></DIR>
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Core Laboratories NV
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:
April 26, 2004
(Date of earliest event reported):
April 22, 2004
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. ACQUISITION OR DISPOSTION OF ASSETS
On April 22, 2004, Core Laboratories sold its specialized geophysical and seismic-related assets and business to Paradigm Geotechnology, a privately held company, for approximately $18.4 million in cash proceeds in addition to certain assumed liabilities.  The amount of consideration paid was determined in arms-length negotiations between the parties.  The transaction includes certain assets and liabilities in Calgary and Houston and two entities in Mexico, all of which are a part of Core Laboratories Reservoir Management segment.  The final purchase price will be subject to certain working capital adjustments.
ITEM 7. FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS
Financial Statements of business acquired
Not applicable
Pro Forma Financial Information
As of the date of filing this Current Report on Form 8-K, it is impracticable for the Company to provide the pro forma financial information required by this Item 7(b). In accordance with Item 7(b)(2) of Form 8-K, such financial statements shall be filed by an amendment to this Current Report on Form 8-K no later than May 7, 2004.
Exhibits
None
##