<ARTICLE>                           5
<CIK>                               0000860744
<NAME>                              GEODYNE INST/PEN ENERGY INCOME LTD PSHP P-4

                                   
<PERIOD-TYPE>                       9-MOS
<FISCAL-YEAR-END>                   DEC-31-1999
<PERIOD-START>                      JAN-01-1999
<PERIOD-END>                        SEP-30-1999
<CASH>                                   170,976
<SECURITIES>                                   0
<RECEIVABLES>                            271,963
<ALLOWANCES>                                   0
<INVENTORY>                                    0
<CURRENT-ASSETS>                         442,939
<PP&E>                                 8,191,928
<DEPRECIATION>                         7,262,805
<TOTAL-ASSETS>                         1,372,062
<CURRENT-LIABILITIES>                          0
<BONDS>                                        0
<PREFERRED-MANDATORY>                          0
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<COMMON>                                       0
<OTHER-SE>                             1,372,062
<TOTAL-LIABILITY-AND-EQUITY>           1,372,062
<SALES>                                  546,129
<TOTAL-REVENUES>                         549,729
<CGS>                                          0
<TOTAL-COSTS>                            279,450
<OTHER-EXPENSES>                               0
<LOSS-PROVISION>                               0
<INTEREST-EXPENSE>                             0
<INCOME-PRETAX>                          270,279
<INCOME-TAX>                                   0
<INCOME-CONTINUING>                      270,279
<DISCONTINUED>                                 0
<EXTRAORDINARY>                                0
<CHANGES>                                      0
<NET-INCOME>                             270,279
<EPS-BASIC>                               1.98
<EPS-DILUTED>                                  0