<SEC-DOCUMENT>0000007332-15-000017-index.html : 20150630
<SEC-HEADER>0000007332-15-000017.hdr.sgml : 20150630
<ACCEPTANCE-DATETIME>20150630153139
ACCESSION NUMBER:		0000007332-15-000017
CONFORMED SUBMISSION TYPE:	NT 11-K
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20141231
FILED AS OF DATE:		20150630
DATE AS OF CHANGE:		20150630
EFFECTIVENESS DATE:		20150630

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SOUTHWESTERN ENERGY CO
		CENTRAL INDEX KEY:			0000007332
		STANDARD INDUSTRIAL CLASSIFICATION:	CRUDE PETROLEUM & NATURAL GAS [1311]
		IRS NUMBER:				710205415
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		NT 11-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08246
		FILM NUMBER:		15961338

	BUSINESS ADDRESS:	
		STREET 1:		2350 N. SAM HOUSTON PARKWAY EAST
		STREET 2:		SUITE 125
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77032
		BUSINESS PHONE:		2816184700

	MAIL ADDRESS:	
		STREET 1:		2350 N. SAM HOUSTON PARKWAY EAST
		STREET 2:		SUITE 125
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77032

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ARKANSAS WESTERN GAS CO
		DATE OF NAME CHANGE:	19790917
</SEC-HEADER>
<DOCUMENT>
<TYPE>NT 11-K
<SEQUENCE>1
<FILENAME>swnform12b2511k.htm
<DESCRIPTION>SWN FORM 12B-25 11-K
<TEXT>
Document 1 - file: swnform12b2511k.htm

</DOCUMENT>
</SEC-DOCUMENT>