UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                                    FORM 8-K

                                 CURRENT REPORT
     Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934


         Date of Report (Date of earliest event reported): July 12, 2004




                        Pioneer Natural Resources Company
             ------------------------------------------------------
             (Exact name of Registrant as specified in its charter)



           Delaware                     1-13245                75-2702753
-----------------------------         ------------         -------------------
(State or other jurisdiction          (Commission           (I.R.S. Employer
       of incorporation)              File Number)         Identification No.)



5205 N. O'Connor Blvd., Suite 900, Irving, Texas                 75039
------------------------------------------------              -----------
   (Address of principal executive offices)                    (Zip Code)


                                 (972) 444-9001
               --------------------------------------------------
               Registrant's telephone number, including area code



                                 Not applicable
           -----------------------------------------------------------
          (Former name or former address, if changed since last report)







                        PIONEER NATURAL RESOURCES COMPANY

                                TABLE OF CONTENTS


                                                                 Page

Item 5.   Other Events.......................................      3

Item 7.   Financial Statements and Exhibits

          (c)  Exhibits......................................      3

Signature....................................................      4

Exhibit Index................................................      5


                                       2











                        PIONEER NATURAL RESOURCES COMPANY


Item 5.      Other Events

     On July 12, 2004,  Pioneer Natural  Resources Company issued a news release
that is  attached  hereto as exhibit  99.1.  In the news  release,  the  Company
announced that it has received and will accept tenders to exchange  $526,875,000
in principal  amount of three series of its outstanding  senior notes for a like
principal amount of a new series of 5.875% Senior Notes due 2016 and cash.

Item 7.      Financial Statements and Exhibits

       (c)   Exhibits

             99.1   News Release dated July 12, 2004


                                       3










                        PIONEER NATURAL RESOURCES COMPANY

                                S I G N A T U R E

Pursuant  to the  requirements  of the  Securities  Exchange  Act of  1934,  the
Registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned hereunto duly authorized.

                               PIONEER NATURAL RESOURCES COMPANY




Date:   July 12, 2004          By:    /s/ Richard P. Dealy
                                    -------------------------------------------
                                    Richard P. Dealy
                                    Vice President and Chief Accounting Officer


                                       4









                        PIONEER NATURAL RESOURCES COMPANY

                                  EXHIBIT INDEX


Exhibit No.         Description

   99.1 (a)         News Release dated July 12, 2004


-------------
(a) filed herewith


                                       5