FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * Thaeler John D   2. Issuer Name and Ticker or Trading Symbol SOUTHWESTERN ENERGY CO [SWN] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Sr. Vice Pres. of Subsidiary (Last) (First) (Middle) SUITE 125, 2350 N. SAM HOUSTON PARKWAY EAST 3. Date of Earliest Transaction (Month/Day/Year) 12/09/2010 (Street) HOUSTON, TX 77032 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 12/09/2010(1)   A   5,200 A $ 0 192,362.0974 D   Common Stock 12/09/2010   J(2)   41.4243 A $ 33.33 28,346.4771 I By 401(k) Plan

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Stock Options (Right to Buy)

$ 36.22

12/09/2010(1)

A

10,060

12/09/2011(3)

12/09/2017

Common Stock

10,060

$ 0

10,060

D

Stock Options (Right to Buy)

$ 2.645

12/10/2004

12/10/2013

Common Stock

10,640

10,640

D

Phantom Stock

(4)

(5)

(5)

Common Stock

55,403.8224

55,403.8224

D

Stock Options (Right to Buy)

$ 17.745

12/08/2006

12/08/2012

Common Stock

3,146

3,146

D

Stock Options (Right to Buy)

$ 40.73

12/10/2010

12/10/2016

Common Stock

9,050

9,050

D

Stock Options (Right to Buy)

$ 30.68

12/11/2009

12/11/2015

Common Stock

14,050

14,050

D

Stock Options (Right to Buy)

$ 27.18

12/13/2008

12/13/2014

Common Stock

16,680

16,680

D

Stock Options (Right to Buy)

$ 20.335

12/11/2007

12/11/2013

Common Stock

17,237

17,237

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Thaeler John D SUITE 125 2350 N. SAM HOUSTON PARKWAY EAST HOUSTON, TX 77032			Sr. Vice Pres. of Subsidiary

Signatures

/s/ Melissa D. McCarty, Attorney-in-Fact for Mr. Thaeler		12/13/2010
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Restricted stock and incentive stock options granted in consideration of services as an officer.
(2)	Purchased through the Company's 401(k) Plan from August 17, 2010, thru December 8, 2010. The information in this report is based on a plan statement dated as of December 8, 2010.
(3)	Incentive stock options become exercisable in three equal installments beginning on the first anniversary of the grant date specified in Column 3 or immediately upon death, disability, retirement at age 65, or a change in control.
(4)	Each share of phantom stock represents the right to receive the economic equivalent of one share of Southwestern Energy Company common stock.
(5)	Shares of phantom stock are payable in cash following termination of the reporting person's employment with Southwestern Energy Company. The reporting person may transfer his phantom stock account into an alternative investment account at any time.

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