SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* Riverstone/Carlyle Energy Partners IV, L.P. (Last) (First) (Middle) C/O RIVERSTONE HOLDINGS LLC 712 FIFTH AVENUE, 36TH FLOOR (Street) NEW YORK NY 10019 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol Liberty Oilfield Services Inc. [ LBRT ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director X 10% Owner Officer (give title below) Other (specify below)
	3. Date of Earliest Transaction (Month/Day/Year) 09/14/2018
	4. If Amendment, Date of 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

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
Class A Common Stock	09/14/2018		S		9,035	D	$18.9618	69,470	D(1)(2)
Class A Common Stock	09/14/2018		S		1,730,689	D	$18.9618	2,604,248	I	See footnotes(1)(2)(3)
Class A Common Stock	09/14/2018		S		751,436	D	$18.9618	14,508,045	I	See footnotes(1)(2)(4)
Class B Common Stock								557,972	D(1)(2)
Class B Common Stock								30,810,350	I	See footnotes(1)(2)(3)

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 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: 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

1. Name and Address of Reporting Person* Riverstone/Carlyle Energy Partners IV, L.P. (Last) (First) (Middle) C/O RIVERSTONE HOLDINGS LLC 712 FIFTH AVENUE, 36TH FLOOR (Street) NEW YORK NY 10019 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer X Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* R/C Energy IV Direct Partnership, L.P. (Last) (First) (Middle) C/O RIVERSTONE HOLDINGS LLC 712 FIFTH AVENUE, 36TH FLOOR (Street) NEW YORK NY 10019 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer X Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* R/C IV Liberty Holdings, L.P. (Last) (First) (Middle) C/O RIVERSTONE HOLDINGS LLC 712 FIFTH AVENUE, 36TH FLOOR (Street) NEW YORK NY 10019 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer X Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* R/C Energy GP IV, LLC (Last) (First) (Middle) C/O RIVERSTONE HOLDINGS LLC 712 FIFTH AVENUE, 36TH FLOOR (Street) NEW YORK NY 10019 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer X Director X 10% Owner Officer (give title below) Other (specify below)

Explanation of Responses:

1. By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), each of R/C Energy GP IV, LLC ("R/C GP IV"), which is the sole general partner of Riverstone/Carlyle Energy Partners IV, L.P. ("Riverstone/Carlyle EP IV"), and Riverstone/Carlyle EP IV, which is the sole general partner of each of R/C Energy IV Direct Partnership, L.P. ("R/C Direct") and R/C IV Liberty Holdings, L.P. ("R/C IV Liberty"), may be deemed to have an indirect pecuniary interest in the securities held directly by R/C Direct and R/C IV Liberty. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by each of Riverstone/Carlyle EP IV, R/C Direct and R/C IV Liberty are reported herein.

2. (Continued from footnote 1) Each reporting person disclaims beneficial ownership of any securities that are not directly owned by such reporting person, except to the extent of their indirect pecuniary interest therein. This report shall not be deemed an admission that such reporting person is a member of a group or the beneficial owner of any securities not directly owned by such reporting person.

3. Shares held directly by R/C IV Liberty.

4. Shares held directly by R/C Direct.

Remarks:

Each of Ken Babcock, N. John Lancaster, Jr., Jesal Shah and Brett Staffieri serve on the board of directors of the Issuer as a representative of the reporting persons. As a result, each reporting person herein may be deemed a director by deputization for the purposes of Section 16 of the Exchange Act.

	RIVERSTONE/CARLYLE ENERGY PARTNERS IV, L.P., By: R/C ENERGY GP IV, LLC, its general partner; NAME: /s/ Peter Haskopoulos	09/17/2018
	** 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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