<ARTICLE> 5 <CIK> 0000850427 <NAME> GEODYNE INSTIT/PENSION ENERGY INCOME P-1 LTD PSHP <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-01-1999 <PERIOD-END> MAR-31-1999 <CASH> 105,113 <SECURITIES> 0 <RECEIVABLES> 110,024 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 215,137 <PP&E> 6,911,069 <DEPRECIATION> 5,810,499 <TOTAL-ASSETS> 1,315,707 <CURRENT-LIABILITIES> 0 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 1,315,707 <TOTAL-LIABILITY-AND-EQUITY> 1,315,707 <SALES> 157,465 <TOTAL-REVENUES> 159,245 <CGS> 0 <TOTAL-COSTS> 105,157 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 54,088 <INCOME-TAX> 0 <INCOME-CONTINUING> 54,088 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 54,088 <EPS-PRIMARY> 0.40 <EPS-DILUTED> 0