<SEC-DOCUMENT>0001121919-21-000002-index.html : 20210105
<SEC-HEADER>0001121919-21-000002.hdr.sgml : 20210105
<ACCEPTANCE-DATETIME>20210105162026
ACCESSION NUMBER:		0001121919-21-000002
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20201231
FILED AS OF DATE:		20210105
DATE AS OF CHANGE:		20210105

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BERG MARK STEPHEN
		CENTRAL INDEX KEY:			0001238881

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13245
		FILM NUMBER:		21505824

	MAIL ADDRESS:	
		STREET 1:		777 HIDDEN RIDGE
		CITY:			IRVING
		STATE:			TX
		ZIP:			75038

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PIONEER NATURAL RESOURCES CO
		CENTRAL INDEX KEY:			0001038357
		STANDARD INDUSTRIAL CLASSIFICATION:	CRUDE PETROLEUM & NATURAL GAS [1311]
		IRS NUMBER:				752702753
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		777 HIDDEN RIDGE
		CITY:			IRVING
		STATE:			TX
		ZIP:			75038
		BUSINESS PHONE:		9724449001

	MAIL ADDRESS:	
		STREET 1:		777 HIDDEN RIDGE
		CITY:			IRVING
		STATE:			TX
		ZIP:			75038
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
Document 1 - file: primary_doc.html

Document 1 - RAW XML: primary_doc.xml

</DOCUMENT>
</SEC-DOCUMENT>