<ARTICLE> 5 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-END> SEP-30-1997 <CASH> 2,863 <SECURITIES> 0 <RECEIVABLES> 9,509 <ALLOWANCES> 121 <INVENTORY> 0 <CURRENT-ASSETS> 15,767 <PP&E> 141,469 <DEPRECIATION> (26,696) <TOTAL-ASSETS> 130,869 <CURRENT-LIABILITIES> 16,819 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 146 <OTHER-SE> 83,384 <TOTAL-LIABILITY-AND-EQUITY> 130,869 <SALES> 20,791 <TOTAL-REVENUES> 21,159 <CGS> 10,652 <TOTAL-COSTS> 10,652 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 301 <INCOME-PRETAX> 5,778 <INCOME-TAX> 2,031 <INCOME-CONTINUING> 3,747 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 3,747 <EPS-PRIMARY> .24 <EPS-DILUTED> .24