<SEC-DOCUMENT>0001104659-22-016019-index.html : 20220209
<SEC-HEADER>0001104659-22-016019.hdr.sgml : 20220209
<ACCEPTANCE-DATETIME>20220209120435
ACCESSION NUMBER:		0001104659-22-016019
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20220209
DATE AS OF CHANGE:		20220209

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			U.S. WELL SERVICES, INC.
		CENTRAL INDEX KEY:			0001670349
		STANDARD INDUSTRIAL CLASSIFICATION:	OIL, GAS FIELD SERVICES, NBC [1389]
		IRS NUMBER:				811847117
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-89907
		FILM NUMBER:		22605264

	BUSINESS ADDRESS:	
		STREET 1:		1360 POST OAK BOULEVARD, SUITE 1800
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77056
		BUSINESS PHONE:		(832) 562-3730

	MAIL ADDRESS:	
		STREET 1:		1360 POST OAK BOULEVARD, SUITE 1800
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77056

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Matlin & Partners Acquisition Corp
		DATE OF NAME CHANGE:	20160422

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MP Acquisition I Corp.
		DATE OF NAME CHANGE:	20160324

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TCW GROUP INC
		CENTRAL INDEX KEY:			0000850401
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			NV
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		865 SOUTH FIGUEROA STREET
		STREET 2:		SUITE 1800
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90017
		BUSINESS PHONE:		213-244-0000

	MAIL ADDRESS:	
		STREET 1:		865 SOUTH FIGUEROA STREET
		STREET 2:		SUITE 1800
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90017
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>tm225793d4_sc13ga.htm
<DESCRIPTION>SC 13G/A
<TEXT>
Document 1 - file: tm225793d4_sc13ga.htm

</DOCUMENT>
</SEC-DOCUMENT>