<SEC-DOCUMENT>0001038357-19-000036-index.html : 20190621 <SEC-HEADER>0001038357-19-000036.hdr.sgml : 20190621 <ACCEPTANCE-DATETIME>20190621130823 ACCESSION NUMBER: 0001038357-19-000036 CONFORMED SUBMISSION TYPE: 11-K PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20181231 FILED AS OF DATE: 20190621 DATE AS OF CHANGE: 20190621 FILER: 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: 11-K SEC ACT: 1934 Act SEC FILE NUMBER: 001-13245 FILM NUMBER: 19910848 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>11-K <SEQUENCE>1 <FILENAME>a201811-kpxd.htm <DESCRIPTION>11-K <TEXT> Document 1 - file: a201811-kpxd.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-23.1 <SEQUENCE>2 <FILENAME>a201811-kpxdexhibit231.htm <DESCRIPTION>EXHIBIT 23.1 <TEXT> Document 2 - file: a201811-kpxdexhibit231.htm
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