<SEC-DOCUMENT>0001193125-17-311843-index.html : 20171017
<SEC-HEADER>0001193125-17-311843.hdr.sgml : 20171017
<ACCEPTANCE-DATETIME>20171017163455
ACCESSION NUMBER:		0001193125-17-311843
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20171011
ITEM INFORMATION:		Entry into a Material Definitive Agreement
ITEM INFORMATION:		Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20171017
DATE AS OF CHANGE:		20171017

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			QUESTAR GAS CO
		CENTRAL INDEX KEY:			0000068589
		STANDARD INDUSTRIAL CLASSIFICATION:	NATURAL GAS DISTRIBUTION [4924]
		IRS NUMBER:				870407509
		STATE OF INCORPORATION:			UT
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	333-69210
		FILM NUMBER:		171140992

	BUSINESS ADDRESS:	
		STREET 1:		333 SOUTH STATE STREET
		STREET 2:		P.O. BOX 45433
		CITY:			SALT LAKE CITY
		STATE:			UT
		ZIP:			84145-0433
		BUSINESS PHONE:		8013245900

	MAIL ADDRESS:	
		STREET 1:		333 SOUTH STATE STREET
		STREET 2:		P.O. BOX 45433
		CITY:			SALT LAKE CITY
		STATE:			UT
		ZIP:			84145-0433

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MOUNTAIN FUEL SUPPLY CO
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>d461784d8k.htm
<DESCRIPTION>FORM 8-K
<TEXT>
Document 1 - file: d461784d8k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-1.1
<SEQUENCE>2
<FILENAME>d461784dex11.htm
<DESCRIPTION>EX-1.1
<TEXT>
Document 2 - file: d461784dex11.htm

</DOCUMENT>
</SEC-DOCUMENT>