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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1. Name and Address of Reporting Person * BOLING MARK K   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) Exec. VP and General Counsel (Last) (First) (Middle) 2350 N. SAM HOUSTON PKWY EAST, SUITE 300 3. Date of Earliest Transaction (Month/Day/Year) 12/11/2006 (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 12/11/2006   A   4,450 A $ 0 (1) 188,570 D

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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)

$ 2.6

01/01/2003

01/01/2012

Common Stock

30,000

30,000

D

Stock Options (Right to buy)

$ 2.865

12/11/2003

12/11/2012

Common Stock

13,162

13,162

D

Stock Options (Right to buy)

$ 5.285

12/10/2004

12/10/2013

Common Stock

40,504

40,504

D

Stock Options (Right to buy)

$ 12.45

12/09/2005

12/09/2011

Common Stock

19,224

19,224

D

Stock Options (Right to buy)

$ 35.49

12/08/2006

12/08/2012

Common Stock

16,930

16,930

D

Stock Options (Right to buy)

$ 40.67

12/11/2006

A

16,640

12/11/2007(2)

12/11/2013

Common Stock

16,640

(1)

16,640

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
BOLING MARK K 2350 N. SAM HOUSTON PKWY EAST SUITE 300 HOUSTON, TX 77032			Exec. VP and General Counsel

Signatures

Melissa D. McCarty, Attorney-in-Fact		12/13/2006
**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).
(2)	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.
(1)	Restricted stock and options granted in consideration of services as an officer.

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