<ARTICLE> 5 <CIK> 0000888239 <NAME> GEODYNE INST/PENS ENERGY INCOME LTD PSHP P-8 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-2000 <PERIOD-START> JAN-01-2000 <PERIOD-END> SEP-30-2000 <CASH> 584,691 <SECURITIES> 0 <RECEIVABLES> 397,677 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 982,368 <PP&E> 8,466,194 <DEPRECIATION> 7,156,136 <TOTAL-ASSETS> 2,292,426 <CURRENT-LIABILITIES> 0 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 2,292,426 <TOTAL-LIABILITY-AND-EQUITY> 2,292,426 <SALES> 1,360,487 <TOTAL-REVENUES> 1,577,761 <CGS> 0 <TOTAL-COSTS> 220,972 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 1,356,789 <INCOME-TAX> 0 <INCOME-CONTINUING> 1,356,789 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 1,356,789 <EPS-BASIC> 11.06 <EPS-DILUTED> 0