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): June 10, 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 June 10, 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 commenced  offers to exchange any and all of three series
of its  outstanding  senior  notes for a new series of Senior Notes due 2016 and
cash.

Item 7.     Financial Statements and Exhibits

       (c)  Exhibits

            99.1   News Release dated June 10, 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: June 10, 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 June 10, 2004


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


                                       5