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): January 30, 2003




                        PIONEER NATURAL RESOURCES COMPANY
                       -----------------------------------
             (Exact name of Registrant as specified in its charter)



          DELAWARE                   1-13245             75-2702753
-------------------------------     -----------     ---------------------
(State or other jurisdiction of     Commission         (I.R.S. Employer
incorporation or organization)      File Number     Identification Number)



5205 N. O'CONNOR BLVD., SUITE 1400, IRVING, TEXAS            75039
-------------------------------------------------         -----------
    (Address of principal executive offices)               (Zip code)



       Registrant's Telephone Number, including area code : (972) 444-9001



                                 Not applicable
              (Former name, former address and former fiscal year,
                          if changed since last report)







                        PIONEER NATURAL RESOURCES COMPANY

                                TABLE OF CONTENTS


                                                                       Page

Item 7.  Financial Statements, Pro Forma Financial Information
         and Exhibits:

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

Item 9.  Regulation FD Disclosure..................................      3

Signatures.........................................................      4

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


                                       2








                        PIONEER NATURAL RESOURCES COMPANY

ITEM 7.     FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS

         (c)   Exhibits

             99.1   News Release dated January 30, 2003
             99.2   Schedules Attachment to News Release dated January 30, 2003
             99.3   News Release dated January 30, 2003

ITEM 9.     REGULATION FD DISCLOSURE

       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, international operations and
associated   international   political  and  economic  instability,   government
regulation  or  action,  litigation,  the  costs and  results  of  drilling  and
operations,  the Company's ability to replace reserves or implement its business
plans, access to and cost of capital, uncertainties about estimates of reserves,
quality of technical data, and  environmental  risks.  These and other risks are
described in the Company's  Annual Report on Form 10-K and Quarterly  Reports on
Form 10-Q that are  available  from the Company or the  Securities  and Exchange
Commission.

       On January 30,  2003,  the Company issued a news release that is attached
hereto as exhibit 99.1. The news release  announces the Company's  financial and
operating results for the quarter and year ended December 31, 2002,  provides an
operational  update and  provides the  Company's  first  quarter 2003  financial
outlook based on current  expectations.  The news release also provides,  via an
attachment included herein as exhibit 99.2, the Company's condensed consolidated
balance  sheets as of December  31, 2002 and 2001;  consolidated  statements  of
operations,  condensed consolidated statements of cash flows, summary production
and price data and  supplemental  information  for the  quarters and years ended
December 31, 2002 and 2001; and supplemental hedge information as of January 30,
2003.

       On January 30,  2003,  the Company  also issued  a news  release  that is
attached  hereto as exhibit 99.3. The news release  announced a discovery on the
Company's  Harrier  prospect  near the  Falcon  field in the  deepwater  Gulf of
Mexico.

                                       3









                        PIONEER NATURAL RESOURCES COMPANY

                               S I G N A T U R E S

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: January 30, 2003        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*    News Release dated January 30, 2003
       99.2*    Schedules Attachment to News Release dated January 30, 2003
       99.3*    News Release dated January 30, 2003



-------------
* filed herewith

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