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 21, 2011 (December 20, 2011)

SM Energy Company
(Exact name of registrant as specified in its charter)



Delaware
001-31539
41-0518430
(State or other jurisdiction
(Commission
(I.R.S. Employer
of incorporation)
File Number)
Identification No.)


1775 Sherman Street, Suite 1200, Denver, Colorado
(Address of principal executive offices)
80203
(Zip Code)


Registrant's telephone number, including area code: (303) 861-8140


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 (see General Instruction A.2.):

[_] 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))
 





Item 7.01    Regulation FD Disclosure.
In accordance with General Instruction B.2. of Form 8-K, the following information shall not be deemed filed for purposes of Section 18 of the Securities Exchange Act of 1934 (the “Exchange Act”) or otherwise subject to the liabilities of that section, nor shall such information and Exhibit be deemed incorporated by reference in any filing under the Securities Act of 1933 or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.
SM Energy Company (the “Company”) previously disclosed in a press release, dated December 14, 2011, that it disputed Endeavour Operating Corporation's (“Endeavour”) ability to terminate the Company's agreements with Endeavour to purchase the Company's Marcellus Shale assets in Pennsylvania. On December 20, 2011, the Company and the co-owners of the properties filed suit against Endeavour in Harris County, Texas, seeking specific performance or damages in the alternative.







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.


            

 
 
 
SM ENERGY COMPANY
 
 
 
 
Date:
December 21, 2011
By:
/s/ David W. Copeland
 
 
 
David W. Copeland
 
 
 
Senior Vice President,
General Counsel and Corporate Secretary