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): December 3, 2012
 
PIONEER SOUTHWEST ENERGY PARTNERS L.P.
(Exact name of registrant as specified in its charter)
 
Delaware
001-34032
26-0388421
(State or other jurisdiction of
incorporation)
(Commission
File Number)
(I.R.S. Employer
Identification No.)
 
 
 
5205 N. O'Connor Blvd., Suite 200, Irving, Texas
 
75,039
(Address of principal executive offices)
 
(Zip Code)
 
Registrant's telephone number, including area code: (972) 969-3586
 
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 

On December 3, 2012, Pioneer Natural Resources Company will post certain updated public disclosures, including its open commodity derivative positions as of November 29, 2012. Pioneer Southwest Energy Partners L.P. (the “Partnership”) confirms that, as of November 29, 2012, there had been no change to the Partnership's commodity derivative positions since October 30, 2012, the most recent date as of which the Partnership disclosed its open commodity derivative positions.

 

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 SOUTHWEST ENERGY PARTNERS L.P.
 
 
 
 
 
By:
Pioneer Natural Resources GP LLC, its
 
 
 
general partner
 
 
 
 
 
 
 
 
 
 
By:
/s/ Frank W. Hall                                                                    
 
 
 
Frank W. Hall,
 
 
 
Vice President and Chief
 
 
 
Accounting Officer
 
 
 
 
 
Dated:  December 3, 2012