<ARTICLE>                           5
<CIK>                               0000824894
<NAME>                              GEODYNE ENERGY INCOME LTD PSHP II-A

                                 
<PERIOD-TYPE>                       9-MOS
<FISCAL-YEAR-END>                   DEC-31-2000
<PERIOD-START>                      JAN-01-2000
<PERIOD-END>                        SEP-30-2000
<CASH>                                 1,059,121
<SECURITIES>                                   0
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<SALES>                                4,104,104
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<CGS>                                          0
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