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): October 4, 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)


Check  the  appropriate  box  below  if the  Form  8-K  filing  is  intended  to
simultaneously  satisfy the filing obligation of the registrant under any of the
following provisions:

| | Written communications pursuant to Rule 425 under the Securities Act (17 CFR
    230.425)
| | Soliciting  material pursuant to Rule 14a-12 under the  Exchange Act (17 CFR
    240.14a-12)
| | Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange
    Act (17 CFR 240.14d-2(b))
| | Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange
    Act (17 CFR 240.13e-4(c))








                        PIONEER NATURAL RESOURCES COMPANY

                                TABLE OF CONTENTS


                                                                     Page

Item 7.01.  Regulation FD Disclosure............................      3

Item 9.01.  Financial Statements and Exhibits

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

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

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



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                        PIONEER NATURAL RESOURCES COMPANY


Item 7.01.   Regulation FD Disclosure

     On October 4, 2004,  Pioneer  Natural  Resources  Company  (the  "Company")
issued a news  release  that is  attached  hereto as exhibit  99.1.  In the news
release,  the  Company  provided  an update on the  impact  of  Hurricane  Ivan.
Specifically,  the Company  announced (i) a reduction in expected  total Company
third quarter of 2004 average daily production to approximately  179,000 barrels
oil equivalent per day, (ii) that  production from the Canyon Express system has
resumed  with net rates  limited to 60 percent  to 70 percent  until  repairs to
subsurface  communications  can be  completed,  (iii) that  production  from the
Devils  Tower field  remains  shut in as a result of  significant  damage to the
topsides  of the spar with  production  expected  to resume in late  October  to
mid-November and (iv) the sidetrack operations in the Harrier field are underway
having experienced only slight weather delays.

Item 9.01. Financial Statements and Exhibits

       (c) Exhibits

           99.1 News Release dated October 4, 2004.



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                        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: October 6, 2004           By: /s/ Richard P. Dealy
                                    -------------------------------------------
                                    Richard P. Dealy
                                    Vice President and Chief Accounting Officer



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                       PIONEER NATURAL RESOURCES COMPANY

                                 EXHIBIT INDEX


Exhibit No.          Description
-----------          -----------

  99.1(a)            News Release dated October 4, 2004.


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




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