Ownership Submission
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 *
KERLEY GREGORY 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)
Exec. VP & CFO
(Last)
(First)
(Middle)
2350 N. SAM HOUSTON PARKWAY EAST, SUITE 300		 3. Date of Earliest Transaction (Month/Day/Year)
12/09/2004
(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 12/09/2004   A   4,580 A $ 0 (1) 156,171 D  
Common Stock 12/09/2004   J(2)   82.3708 A $ 42.3 2,787.787 I By 401(k) plan
Common Stock 12/09/2004   J(3)   61.9054 A $ 0 6,354.6605 I By Nonqualified Retirement Plan

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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) $ 6             12/16/2000 12/16/2009 Common Stock 68,250   68,250 D  
Stock Options (Right to buy) $ 7.3125             09/11/1999 09/11/2008 Common Stock 15,674   15,674 D  
Stock Options (Right to buy) $ 7.4375             12/14/2001 12/14/2010 Common Stock 100,000   100,000 D  
Stock Options (Right to buy) $ 9.64             12/20/2002 12/20/2011 Common Stock 18,750   18,750 D  
Stock Options (Right to buy) $ 11.46             12/11/2003 12/11/2012 Common Stock 49,330   49,330 D  
Stock Options (Right to buy) $ 12.5             12/17/1998 12/17/2007 Common Stock 11,100   11,100 D  
Stock Options (Right to buy) $ 13.375             12/08/1996 12/08/2005 Common Stock 3,750   3,750 D  
Stock Options (Right to buy) $ 14.125             02/27/1997 02/27/2007 Common Stock 200   200 D  
Stock Options (Right to buy) $ 14.75             12/11/1997 12/11/2006 Common Stock 4,500   4,500 D  
Stock Options (Right to buy) $ 21.14             12/10/2004 12/10/2013 Common Stock 31,820   31,820 D  
Stock Options (Right to buy) $ 49.8 12/09/2004   A   14,840   12/09/2005(4) 12/09/2011 Common Stock 14,840 $ 0 (1) 14,840 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
KERLEY GREGORY D
2350 N. SAM HOUSTON PARKWAY EAST
SUITE 300
HOUSTON, TX 77032		       Exec. VP & CFO  

Signatures

 Melissa D. McCarty, Attorney-in-Fact   12/13/2004
**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) Granted in consideration of services as an officer.
(2) Purchased through the Company's 401(k) plan from 8/27/04 thru 11/24/04.
(3) Purchased through the Company's Nonqualified Retirement Plan from 8/27/04 thru 11/24/04.
(4) Option becomes exercisable in three equal annual installments beginning on the first anniversary of the grant date specified in Column 3 or immediately upon a change in control.

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