<SEC-DOCUMENT>0000312348-21-000039-index.html : 20211109
<SEC-HEADER>0000312348-21-000039.hdr.sgml : 20211109
<ACCEPTANCE-DATETIME>20211109101016
ACCESSION NUMBER:		0000312348-21-000039
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20211109
DATE AS OF CHANGE:		20211109

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:		211390357

	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:			LOOMIS SAYLES & CO L P
		CENTRAL INDEX KEY:			0000312348
		IRS NUMBER:				043200030

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		ONE FINANCIAL CTR
		STREET 2:		LEGAL & COMPLIANCE, 27TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02111
		BUSINESS PHONE:		617-748-1761

	MAIL ADDRESS:	
		STREET 1:		ONE FINANCIAL CENTER
		STREET 2:		27TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02111

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	LOOMIS SAYLES & CO INC
		DATE OF NAME CHANGE:	19920929
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>Pioneer_13GA.txt
<DESCRIPTION>PIONEER 13GA
<TEXT>
Document 1 - file: Pioneer_13GA.txt

</DOCUMENT>
</SEC-DOCUMENT>