Ownership Submission
FORM 3
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  Daniels Kevin
2. Date of Event Requiring Statement (Month/Day/Year)
05/25/2018
3. Issuer Name and Ticker or Trading Symbol
CORE LABORATORIES N V [CLB]
(Last)
(First)
(Middle)
6316 WINDFERN RD
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
CAO & Treasurer
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

HOUSTON, TX 77040
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(Month/Day/Year)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Restricted Shares   (1)   (1) Common Shares 2,915 $ (1) D  
Performance Shares   (2)   (2) Common Shares 2,600 $ (2) D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Daniels Kevin
6316 WINDFERN RD
HOUSTON, TX 77040
      CAO & Treasurer  

Signatures

Mark F. Elvig, Attorney-in-Fact 05/25/2018
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Restricted Shares vest in the amount of 1/6th of the grant on each of the six annual anniversaries following the respective grant date. Mr. Daniels has 6 grants still outstanding, and of those the following shares remain unvested at this time: 125 shares from the grant on 9/1/12; 110 shares from the grant on 3/1/13; 140 shares from the grant on 4/1/14; 420 shares from the grant on 7/1/15; 480 shares from the grant on 3/1/16; and 840 shares from the grant on 12/1/17. In addition he has 800 shares from a special grant on 12/1/14 which will vest on 12/1/18.
(2) Assuming a recipient's continued employment (or death or disability while employed) and the satisfaction of certain performance goals is achieved, this award would vest at the end of a three-year performance period that began on January 1, 2018 and ends on the last NYSE trading day of December 2020 (the "Performance Period"). At the end of the Performance Period, 100% of the award will vest if the Company is in the top 75th percentile of Return On Invested Capital of the Bloomberg Peer Group as shown by data published by Bloomberg upon the close of the NYSE market on the last trading day of the Performance Period. If this criteria is not met, then no shares shall vest and the award be forfeited.

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