<ARTICLE>                           5
<CIK>                               0000869801
<NAME>                              GEODYNE INST/PENS ENERGY INCOME LTD PSHP P-6

                                 
<PERIOD-TYPE>                       9-MOS
<FISCAL-YEAR-END>                   DEC-31-1999
<PERIOD-START>                      JAN-01-2000
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