<ARTICLE> 5
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               DEC-31-1998
<CASH>                                           1,424
<SECURITIES>                                         0
<RECEIVABLES>                                   10,654
<ALLOWANCES>                                         0
<INVENTORY>                                      1,230
<CURRENT-ASSETS>                                21,311
<PP&E>                                         443,132
<DEPRECIATION>                                 343,857
<TOTAL-ASSETS>                                 120,653
<CURRENT-LIABILITIES>                           37,159
<BONDS>                                         39,100
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           894
<OTHER-SE>                                      43,500
<TOTAL-LIABILITY-AND-EQUITY>                   120,653
<SALES>                                         51,932
<TOTAL-REVENUES>                                55,727
<CGS>                                           14,237
<TOTAL-COSTS>                                   82,565
<OTHER-EXPENSES>                                 (138)
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               2,384
<INCOME-PRETAX>                               (29,084)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                           (29,084)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                  (29,084)
<EPS-PRIMARY>                                   (3.27)
<EPS-DILUTED>                                   (3.27)