<SEC-DOCUMENT>0001246360-19-002556-index.html : 20191204
<SEC-HEADER>0001246360-19-002556.hdr.sgml : 20191204
<ACCEPTANCE-DATETIME>20191204174217
ACCESSION NUMBER:		0001246360-19-002556
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20191202
FILED AS OF DATE:		20191204
DATE AS OF CHANGE:		20191204

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SHEFFIELD KENNETH H JR
		CENTRAL INDEX KEY:			0001121934

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13245
		FILM NUMBER:		191268980

	MAIL ADDRESS:	
		STREET 1:		310 K STREET
		STREET 2:		SUITE 200
		CITY:			ANCHORAGE
		STATE:			AK
		ZIP:			99501

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:		200 WILLIAMS SQUARE WEST
		STREET 2:		5205 N OCONNOR BLVD
		CITY:			IRVING
		STATE:			TX
		ZIP:			75039
		BUSINESS PHONE:		9724449001

	MAIL ADDRESS:	
		STREET 1:		200 WILLIAMS SQUARE WEST
		STREET 2:		5205 N OCONNOR BLVD
		CITY:			IRVING
		STATE:			TX
		ZIP:			75039
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
Document 1 - file: form.html

Document 1 - RAW XML: form.xml

</DOCUMENT>
</SEC-DOCUMENT>