<ARTICLE> 5 <CIK> 0000854066 <NAME> GEODYNE INST/PENS ENERGY INCOME LTD PSHP P-3 <PERIOD-TYPE> 12-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-01-1999 <PERIOD-END> DEC-31-1999 <CASH> 284,040 <SECURITIES> 0 <RECEIVABLES> 251,484 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 535,524 <PP&E> 10,492,182 <DEPRECIATION> 8,896,546 <TOTAL-ASSETS> 2,131,160 <CURRENT-LIABILITIES> 0 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 2,131,160 <TOTAL-LIABILITY-AND-EQUITY> 2,131,160 <SALES> 1,155,814 <TOTAL-REVENUES> 1,164,162 <CGS> 0 <TOTAL-COSTS> 483,628 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 680,534 <INCOME-TAX> 0 <INCOME-CONTINUING> 680,534 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 680,534 <EPS-BASIC> 3.75 <EPS-DILUTED> 0