FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN 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 * HCperf Holdings B.V.   2. Issuer Name and Ticker or Trading Symbol OIL STATES INTERNATIONAL, INC [OIS] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director __X__ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 274 RIVERSIDE AVENUE 3. Date of Earliest Transaction (Month/Day/Year) 02/22/2018 (Street) WESTPORT, CT 06880 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) ___ Form filed by One Reporting Person _X_ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common stock 02/22/2018   S   5,925,050 (1) (2) D $ 25.785 2,736,033 D (1) (2)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
HCperf Holdings B.V. 274 RIVERSIDE AVENUE WESTPORT, CT 06880		X
LRP V Luxembourg Holdings S.a r.l. 13-15 AVENUE DE LA LIBERTE LUXEMBOURG, N4 L-1931		X
LRP IV Luxembourg Holdings S.a.r.l. 13-15 AVENUE DE LA LIBERTE LUXEMBOURG, N4 L-1931		X
LIME ROCK PARTNERS IV LP 274 RIVERSIDE AVENUE WESTPORT, CT 06680		X
LIME ROCK PARTNERS V LP 274 RIVERSIDE AVENUE WESTPORT, CT 06680		X
REYNOLDS JOHN T 274 RIVERSIDE AVENUE WESTPORT, CT 06680		X
Farber Jonathan C. 274 RIVERSIDE AVENUE WESTPORT, CT 06680		X

Signatures

/s/ J. Will Franklin as authorized person for HCperf Holdings B.V.		02/26/2018
**Signature of Reporting Person		Date
/s/ J. Will Franklin, as authorized person for LRP IV Luxembourg Holdings S.a.r.l.		02/26/2018
**Signature of Reporting Person		Date
/s/ J. Will Franklin, as authorized person for Lime Rock Partners IV, L.P.		02/26/2018
**Signature of Reporting Person		Date
/s/ J. Will Franklin, as authorized person for LRP V Luxembourg Holdings S.a.r.l.		02/26/2018
**Signature of Reporting Person		Date
/s/ J. Will Franklin, as authorized person for Lime Rock Partners V, L.P.		02/26/2018
**Signature of Reporting Person		Date
/s/ Kris Agarwal, as Attorney-In-Fact for Jonathan C. Farber		02/26/2018
**Signature of Reporting Person		Date
/s/ Kris Agarwal, as Attorney-In-Fact for John T. Reynolds		02/26/2018
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(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)	HCperf Holdings B.V. (formerly known as GEODynamics B.V.), a Netherlands private limited liability company, directly owns common stock of the Issuer. LRP IV Luxembourg Holdings S.a.r.l. ("LRP IV") and LRP V Luxembourg Holdings S.a.r.l. ("LRP V") collectively own a majority of the outstanding equity interests in GEODynamics B.V. LRP GP IV, Inc. ("GP Inc. IV") is the general partner of Lime Rock Partners GP IV, L.P. ("GP LP IV"), which is the general partner of Lime Rock Partners IV, L.P. ("Lime Rock IV"), which wholly owns LRP IV. LRP GP V, Inc. ("GP Inc. V") is the general partner of Lime Rock Partners GP V, L.P. ("GP LP V"), which is the general partner of Lime Rock Partners V, L.P. ("Lime Rock V"), which wholly owns LRP V. John T. Reynolds ("Reynolds") and Jonathan C. Farber ("Farber") are the sole directors of each of GP Inc. IV and GP Inc. V.
(2)	(Continued from Footnote 1) Therefore, LRP IV, Lime Rock IV, GP LP IV, GP Inc. IV, LRP V, Lime Rock V, GP LP V, GP Inc. V, Reynolds and Farber may be deemed to beneficially own the reported securities. This report shall not be an admission that LRP IV, Lime Rock IV, GP LP IV, GP Inc. IV, LRP V, Lime Rock V, GP LP V, GP Inc. V, Reynolds and Farber is the beneficial owner of the securities reported herein for purposes of Section 16 of the Securities Exchange Act of 1934 or for any other purposes.

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