<ARTICLE>                       5
<CIK>                           0000850427  
<NAME>                          GEODYNE INST/PENSION ENERGY INCOME P-1 LTD PSHP
                                 
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>               DEC-31-1998
<PERIOD-START>                  JAN-01-1998
<PERIOD-END>                    SEP-30-1998
<CASH>                             134,319
<SECURITIES>                             0
<RECEIVABLES>                       91,997
<ALLOWANCES>                             0
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<CURRENT-ASSETS>                   226,316
<PP&E>                           6,987,171
<DEPRECIATION>                   5,772,003
<TOTAL-ASSETS>                   1,441,484
<CURRENT-LIABILITIES>                    0
<BONDS>                                  0
<PREFERRED-MANDATORY>                    0
<PREFERRED>                              0
<COMMON>                                 0
<OTHER-SE>                       1,441,484
<TOTAL-LIABILITY-AND-EQUITY>     1,441,484
<SALES>                            537,453
<TOTAL-REVENUES>                 1,021,926
<CGS>                                    0
<TOTAL-COSTS>                      260,144
<OTHER-EXPENSES>                         0
<LOSS-PROVISION>                         0
<INTEREST-EXPENSE>                       0
<INCOME-PRETAX>                    761,782
<INCOME-TAX>                             0
<INCOME-CONTINUING>                761,782
<DISCONTINUED>                           0
<EXTRAORDINARY>                          0
<CHANGES>                                0
<NET-INCOME>                       761,782
<EPS-PRIMARY>                         6.60
<EPS-DILUTED>                            0