<SEC-DOCUMENT>0001193125-23-038832-index.html : 20230214
<SEC-HEADER>0001193125-23-038832.hdr.sgml : 20230214
<ACCEPTANCE-DATETIME>20230214151305
ACCESSION NUMBER:		0001193125-23-038832
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20230214
DATE AS OF CHANGE:		20230214
GROUP MEMBERS:		MSD CAPITAL, L.P.
GROUP MEMBERS:		MSD CREDIT OPPORTUNITY FUND, L.P.
GROUP MEMBERS:		SOF INVESTMENTS II, L.P.

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PIONEER ENERGY SERVICES LLC
		CENTRAL INDEX KEY:			0000320575
		STANDARD INDUSTRIAL CLASSIFICATION:	DRILLING OIL & GAS WELLS [1381]
		IRS NUMBER:				742088619
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-33018
		FILM NUMBER:		23627777

	BUSINESS ADDRESS:	
		STREET 1:		10713 WEST SAM HOUSTON PARKWAY NORTH
		STREET 2:		SUITE 800
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77064
		BUSINESS PHONE:		281-765-7100

	MAIL ADDRESS:	
		STREET 1:		10713 WEST SAM HOUSTON PARKWAY NORTH
		STREET 2:		SUITE 800
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77064

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PIONEER ENERGY SERVICES CORP
		DATE OF NAME CHANGE:	20120725

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PIONEER DRILLING CO
		DATE OF NAME CHANGE:	20011102

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SOUTH TEXAS DRILLING & EXPLORATION INC
		DATE OF NAME CHANGE:	19920703

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MSD Partners, L.P.
		CENTRAL INDEX KEY:			0001514334
		IRS NUMBER:				271522220
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		ONE VANDERBILT AVENUE, 26TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
		BUSINESS PHONE:		(212) 303-1650

	MAIL ADDRESS:	
		STREET 1:		ONE VANDERBILT AVENUE, 26TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MSDC Management, L.P.
		DATE OF NAME CHANGE:	20110302
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>d419333dsc13ga.htm
<DESCRIPTION>SC 13G/A
<TEXT>
Document 1 - file: d419333dsc13ga.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>d419333dex991.htm
<DESCRIPTION>EX-99.1
<TEXT>
Document 2 - file: d419333dex991.htm

</DOCUMENT>
</SEC-DOCUMENT>