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): November 3, 2005




                        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 2.02.  Results of Operations and Financial Condition.............    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 2.02.   Results of Operations and Financial Condition

     The information in this document includes  forward-looking  statements that
are made  pursuant  to the Safe  Harbor  Provisions  of the  Private  Securities
Litigation  Reform  Act of 1995.  Forward-looking  statements  and the  business
prospects of Pioneer Natural  Resources Company (the "Company") are subject to a
number of risks and uncertainties,  which may cause the Company's actual results
in future  periods to differ  materially  from the  forward-looking  statements.
These risks and uncertainties include, among other things, volatility of oil and
gas  prices,  product  supply and  demand,  competition,  the  ability to obtain
environmental  and  other  permits  and the  timing  thereof,  other  government
regulation or action,  international  operations  and  associated  international
political  and  economic  instability,  litigation,  the  costs and  results  of
drilling and  operations,  availability  of drilling  equipment,  the  Company's
ability to replace  reserves,  implement  its  business  plans,  or complete its
development projects as scheduled, access to and cost of capital,  uncertainties
about  estimates  of  reserves,  quality of technical  data,  environmental  and
weather risks, acts of war or terrorism.  These and other risks are described in
the Company's 2004 Annual Report on Form 10-K and Quarterly Reports on Form 10-Q
that are available from the Company or the United States Securities and Exchange
Commission.

     On  November 3, 2005,  the Company  issued a news  release  with  financial
statements and schedules  that are attached  hereto as exhibit 99.1. In the news
release,  the Company announced  financial and operating results for the quarter
ended  September  30,  2005,  provided an  operations  update and  provided  the
Company's fourth quarter financial outlook based on current expectations.

Item 9.01.   Financial Statements and Exhibits

      (c)    Exhibits

             99.1   News Release  and  Schedules Attached to  News Release dated
                    November 3, 2005.


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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:  November 3, 2005                By:   /s/ Darin G. Holderness
                                           -----------------------------------
                                            Darin G. Holderness
                                            Vice President and
                                            Chief Accounting Officer



                                       4








                       PIONEER NATURAL RESOURCES COMPANY

                                  EXHIBIT INDEX



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

  99.1(a)           News Release and  Schedules  Attached to  News Release dated
                    November 3, 2005.


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




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