UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ______________________________ FORM 10-Q ______________________________ For the transition period from ________ to ________ Commission File Number: 1-13245 ______________________________ PIONEER NATURAL RESOURCES COMPANY (Exact name of Registrant as specified in its charter) ______________________________ ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30 ...