<SEC-DOCUMENT>0001246360-14-003666-index.html : 20140828
<SEC-HEADER>0001246360-14-003666.hdr.sgml : 20140828
<ACCEPTANCE-DATETIME>20140828161416
ACCESSION NUMBER:		0001246360-14-003666
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20140820
FILED AS OF DATE:		20140828
DATE AS OF CHANGE:		20140828

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

REPORTING-OWNER:	

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

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13245
		FILM NUMBER:		141071962

	MAIL ADDRESS:	
		STREET 1:		310 K STREET
		STREET 2:		SUITE 200
		CITY:			ANCHORAGE
		STATE:			AK
		ZIP:			99501
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>form.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
Document 1 - file: form.html

Document 1 - RAW XML: form.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>sheffieldk.txt
<TEXT>
Document 2 - file: sheffieldk.txt

</DOCUMENT>
</SEC-DOCUMENT>