Statement of Changes in Beneficial Ownership (4)

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	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person ^* SCF Partners, Inc.	2. Issuer Name and Ticker or Trading Symbol Select Energy Services, Inc. [ WTTR ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director __X__ 10% Owner _____ Officer (give title below) __X__ Other (specify below) Member of Group
(Last) (First) (Middle) 600 TRAVIS STREET, SUITE 6600	3. Date of Earliest Transaction (MM/DD/YYYY) 3/3/2023
(Street) HOUSTON, TX 77002 (City) (State) (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	6. Individual or Joint/Group Filing (Check Applicable Line) ___ Form filed by One Reporting Person _ X _ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. 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)
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Class A Common Stock	3/3/2023		J		100000	D	$7.8038	5613442	I	SCF-VI, L.P. ⁽¹⁾
Class A Common Stock	3/6/2023		J		8000	D	$7.8149	5605442	I	SCF-VI, L.P. ⁽¹⁾
Class A Common Stock								5154217	I	SCF-VII, L.P. ⁽¹⁾
Class A Common Stock								1043097	I	SCF-VII(A), L.P. ⁽¹⁾

*Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)*
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. 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		7. Title and Amount of Securities Underlying Derivative Security (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)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)			11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

(1)

SCF Partners, Inc. (formerly named LE Simmons & Associates Inc), a Delaware corporation (SCFP), manages each of SCFVI, GP, Limited Partnership (SCFVIGP), SCFVII, GP Limited Partnership (SCFVIIGP) and SCF-VII(A), GP Limited Partnership (SCFVIIAGP), each of which are Delaware limited partnerships. Additionally, SCFVIGP is the sole general partner of SCF-VI, SCFVIIGP is the sole general partner of SCF-VII, and SCF-VIIAGP is the sole general partner of SCF-VIIA. Collectively, SCFP, SCFVIGP, SCFVIIGP, SCFVIIAGP, SCF-VI, SCF-VII and SCF-VIIA are the reporting entities. Based on the reporting person's affiliation with the reporting entities, SCFP may be deemed to beneficially own all of the shares of common stock of the registrant beneficially owned or deemed to be beneficially owned by the reporting entities.

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
SCF Partners, Inc. 600 TRAVIS STREET SUITE 6600 HOUSTON, TX 77002		X		Member of Group
SCF VI LP 600 TRAVIS, SUITE 6600 HOUSTON, TX 77002	X	X
SCF-VI, G.P., Limited Partnership 600 TRAVIS, SUITE 6600 HOUSTON, TX 77002	X	X
SCF-VII, L.P. 600 TRAVIS, SUITE 6600 HOUSTON, TX 77002	X	X
SCF-VII, G.P., Limited Partnership 600 TRAVIS, SUITE 6600 HOUSTON, TX 77002	X	X
SCF-VII(A), L.P. 600 TRAVIS STREET SUITE 6600 HOUSTON, TX 77002		X		Member of Group
SCF-VII(A), G.P., Limited Partnership 600 TRAVIS STREET SUITE 6600 HOUSTON, TX 77002		X		Member of Group

Signatures
Anthony F. DeLuca/Officer of Reporting Person		3/7/2023
^**Signature of Reporting Person		Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
*	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).
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