<SEC-DOCUMENT>0001567619-19-001661-index.html : 20190125
<SEC-HEADER>0001567619-19-001661.hdr.sgml : 20190125
<ACCEPTANCE-DATETIME>20190125140146
ACCESSION NUMBER:		0001567619-19-001661
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20190125
DATE AS OF CHANGE:		20190125

SUBJECT COMPANY:	

	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

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-51453
		FILM NUMBER:		19542185

	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

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			JPMORGAN CHASE & CO
		CENTRAL INDEX KEY:			0000019617
		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
		IRS NUMBER:				132624428
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		270 PARK AVE
		STREET 2:		38TH FL
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
		BUSINESS PHONE:		2122706000

	MAIL ADDRESS:	
		STREET 1:		270 PARK AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	J P MORGAN CHASE & CO
		DATE OF NAME CHANGE:	20010102

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CHASE MANHATTAN CORP /DE/
		DATE OF NAME CHANGE:	19960402

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CHEMICAL BANKING CORP
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>doc1.htm
<DESCRIPTION>NONE
<TEXT>
Document 1 - file: doc1.htm

</DOCUMENT>
</SEC-DOCUMENT>