UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

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

PIONEER NATURAL RESOURCES COMPANY

(Exact name of registrant as specified in its charter)

Delaware (State or other jurisdiction of incorporation)		1-13245 (Commission File Number)		75-2702753 (I.R.S. Employer Identification Number)
5205 N. O’Connor Blvd. Suite 900 Irving, Texas (Address of principal executive offices)				75039 (Zip code)

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

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:

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

 

 

Item 7.01. Regulation FD Disclosure

     The presentation attached hereto as exhibit 99.1 includes certain information about Pioneer Natural Resources Company.

Item 9.01. Financial Statements and Exhibits

     (d) Exhibits

          99.1 — Pioneer Natural Resources Presentation

SIGNATURES

     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
		/s/ Darin G. Holderness
		Darin G. Holderness
		Vice President and Chief Accounting Officer

Dated: May 16, 2006

EXHIBIT INDEX

Exhibit
Number		Exhibit Title
99.1 (a)		Pioneer Natural Resources Presentation