<ARTICLE>                           5
<CIK>                               0000850427
<NAME>                              GEODYNE INST/PENS ENERGY INCOME P-1 LTD PSHP

                                 
<PERIOD-TYPE>                       9-MOS
<FISCAL-YEAR-END>                   DEC-31-2000
<PERIOD-START>                      JAN-01-2000
<PERIOD-END>                        SEP-30-2000
<CASH>                                   277,069
<SECURITIES>                                   0
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<PP&E>                                 6,701,754
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<TOTAL-ASSETS>                         1,434,354
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<TOTAL-LIABILITY-AND-EQUITY>           1,434,354
<SALES>                                  896,241
<TOTAL-REVENUES>                         939,794
<CGS>                                          0
<TOTAL-COSTS>                            206,309
<OTHER-EXPENSES>                               0
<LOSS-PROVISION>                               0
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<INCOME-PRETAX>                          733,485
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<EPS-BASIC>                                 6.03
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