<ARTICLE> 5 <MULTIPLIER> 1,000 <CURRENCY> U.S. DOLLARS <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-START> JAN-01-1996 <PERIOD-END> JUN-30-1996 <EXCHANGE-RATE> 1 <CASH> 2,343 <SECURITIES> 0 <RECEIVABLES> 10,301 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 15,231 <PP&E> 61,914 <DEPRECIATION> 31,686 <TOTAL-ASSETS> 93,555 <CURRENT-LIABILITIES> 5,874 <BONDS> 0 <COMMON> 80 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <OTHER-SE> 30,586 <TOTAL-LIABILITY-AND-EQUITY> 93,555 <SALES> 24,958 <TOTAL-REVENUES> 24,958 <CGS> 0 <TOTAL-COSTS> 20,828 <OTHER-EXPENSES> 20 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 1,513 <INCOME-PRETAX> 2,597 <INCOME-TAX> 1,110 <INCOME-CONTINUING> 1,487 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 1,487 <EPS-PRIMARY> .18 <EPS-DILUTED> .18