<ARTICLE>     5
<LEGEND>
This schedule contains certain restated summary financial information for
the nine-month period ended September 30, 1997.
</LEGEND>
<CIK> 0000788965
<NAME> HALLADOR PETROLEUM COMPANY
<MULTIPLIER> 1000
       
                             
<PERIOD-TYPE>                                    9-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               SEP-30-1997
<CASH>                                               0
<SECURITIES>                                         0
<RECEIVABLES>                                        0
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                                     0
<PP&E>                                               0
<DEPRECIATION>                                       0
<TOTAL-ASSETS>                                       0
<CURRENT-LIABILITIES>                                0
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                             0
<OTHER-SE>                                           0
<TOTAL-LIABILITY-AND-EQUITY>                         0
<SALES>                                              0
<TOTAL-REVENUES>                                 3,548
<CGS>                                                0
<TOTAL-COSTS>                                    4,149
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 379
<INCOME-PRETAX>                                   (315)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                               (315)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                      (315)
<EPS-PRIMARY>                                     (.04)
<EPS-DILUTED>                                     (.04)