<SEC-DOCUMENT>0001104659-21-152444-index.html : 20220127
<SEC-HEADER>0001104659-21-152444.hdr.sgml : 20220127
<ACCEPTANCE-DATETIME>20211222083025
<PRIVATE-TO-PUBLIC>
ACCESSION NUMBER:		0001104659-21-152444
CONFORMED SUBMISSION TYPE:	CORRESP
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20211222

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Select Energy Services, Inc.
		CENTRAL INDEX KEY:			0001693256
		STANDARD INDUSTRIAL CLASSIFICATION:	OIL, GAS FIELD SERVICES, NBC [1389]
		IRS NUMBER:				814561945
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		CORRESP

	BUSINESS ADDRESS:	
		STREET 1:		1233 W LOOP SOUTH, SUITE 1400
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77027
		BUSINESS PHONE:		(713) 235-9500

	MAIL ADDRESS:	
		STREET 1:		1233 W LOOP SOUTH, SUITE 1400
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77027
</SEC-HEADER>
<DOCUMENT>
<TYPE>CORRESP
<SEQUENCE>1
<FILENAME>filename1.htm
<TEXT>
Document 1 - file: filename1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>tm2135726d3_correspimg001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: tm2135726d3_correspimg001.jpg

</DOCUMENT>
</SEC-DOCUMENT>