<ARTICLE> 5 <LEGEND> The following schedule contains summarized financial information extracted from the Questar Pipeline Co. Statements of Income and Balance Sheet for the period ended June 30, 1997, and is qualified in its entirety to such unaudited financial statements. </LEGEND> <MULTIPLIER> 1,000 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-END> JUN-30-1997 <CASH> 5,411 <SECURITIES> 0 <RECEIVABLES> 10,229 <ALLOWANCES> 0 <INVENTORY> 2,363 <CURRENT-ASSETS> 19,757 <PP&E> 566,777 <DEPRECIATION> 201,269 <TOTAL-ASSETS> 410,377 <CURRENT-LIABILITIES> 27,469 <BONDS> 134,554 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 6,551 <OTHER-SE> 178,974 <TOTAL-LIABILITY-AND-EQUITY> 410,377 <SALES> 0 <TOTAL-REVENUES> 52,628 <CGS> 0 <TOTAL-COSTS> 18,545 <OTHER-EXPENSES> 8,626 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 6,665 <INCOME-PRETAX> 18,814 <INCOME-TAX> 7,032 <INCOME-CONTINUING> 11,782 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 11,782 <EPS-PRIMARY> 0 <EPS-DILUTED> 0