<TABLE> <S> <C>
<ARTICLE> 5
<CIK> 0000824894
<NAME> GEODYNE ENERGY INCOME LTD PSHP II-A
<S> <C>
<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
<RECEIVABLES> 1,017,973
<ALLOWANCES> 0
<INVENTORY> 0
<CURRENT-ASSETS> 2,077,094
<PP&E> 30,667,916
<DEPRECIATION> 27,440,625
<TOTAL-ASSETS> 6,037,240
<CURRENT-LIABILITIES> 202,750
<BONDS> 0
0
0
<COMMON> 0
<OTHER-SE> 5,613,052
<TOTAL-LIABILITY-AND-EQUITY> 6,037,240
<SALES> 4,104,104
<TOTAL-REVENUES> 4,228,726
<CGS> 0
<TOTAL-COSTS> 1,825,576
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 0
<INCOME-PRETAX> 2,403,150
<INCOME-TAX> 0
<INCOME-CONTINUING> 2,403,150
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 2,403,150
<EPS-BASIC> 4.40
<EPS-DILUTED> 0
</TABLE>