<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-END> JUN-30-1997 <CASH> 16,531 <SECURITIES> 0 <RECEIVABLES> 207,052 <ALLOWANCES> 0 <INVENTORY> 29,473 <CURRENT-ASSETS> 270,007 <PP&E> 4,016,705 <DEPRECIATION> (1,779,499) <TOTAL-ASSETS> 2,535,872 <CURRENT-LIABILITIES> 218,966 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 201,600 <OTHER-SE> 1,053,399 <TOTAL-LIABILITY-AND-EQUITY> 2,535,872 <SALES> 342,799 <TOTAL-REVENUES> 352,404 <CGS> 0 <TOTAL-COSTS> 282,615 <OTHER-EXPENSES> (2,212) <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 10,579 <INCOME-PRETAX> 61,422 <INCOME-TAX> 13,786 <INCOME-CONTINUING> 47,636 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 47,636 <EPS-PRIMARY> 0 <EPS-DILUTED> 0