<ARTICLE> 5 <CIK> 0000869801 <NAME> GEODYNE INST/PENSION ENERGY INCOME LTD PSHIP P-6 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-01-2000 <PERIOD-END> MAR-31-2000 <CASH> 308,818 <SECURITIES> 0 <RECEIVABLES> 226,941 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 535,759 <PP&E> 12,061,463 <DEPRECIATION> 10,307,668 <TOTAL-ASSETS> 2,289,554 <CURRENT-LIABILITIES> 0 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 2,289,554 <TOTAL-LIABILITY-AND-EQUITY> 2,289,554 <SALES> 455,060 <TOTAL-REVENUES> 458,773 <CGS> 0 <TOTAL-COSTS> 131,067 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 327,706 <INCOME-TAX> 0 <INCOME-CONTINUING> 327,706 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 327,706 <EPS-BASIC> 2.16 <EPS-DILUTED> 0