<ARTICLE> 5
<LEGEND>
The schedule contains summarized financial information extracted from the
Questar Market Resources, Inc. consolidated Statements of Income and Balance
Sheet for the period ended June 30, 2000, and is qualified in its entirety by
reference to such unaudited financial statements.

<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-END>                               JUN-30-2000
<CASH>                                           6,292
<SECURITIES>                                    11,449
<RECEIVABLES>                                  124,080
<ALLOWANCES>                                         0
<INVENTORY>                                      4,449
<CURRENT-ASSETS>                               140,039
<PP&E>                                       1,575,906
<DEPRECIATION>                                 820,330
<TOTAL-ASSETS>                                 928,929
<CURRENT-LIABILITIES>                          137,046
<BONDS>                                        294,548
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         4,309
<OTHER-SE>                                     409,684
<TOTAL-LIABILITY-AND-EQUITY>                   928,929
<SALES>                                              0
<TOTAL-REVENUES>                               306,962
<CGS>                                                0
<TOTAL-COSTS>                                  191,153
<OTHER-EXPENSES>                                59,679
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              11,673
<INCOME-PRETAX>                                 48,805
<INCOME-TAX>                                    16,574
<INCOME-CONTINUING>                             32,231
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    32,231
<EPS-BASIC>                                          0
<EPS-DILUTED>                                        0