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<ARTICLE> 5
<CIK> 0000863835
<NAME> GEODYNE ENERGY INCOME LTD PARTNERSHIP III-B
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> JUN-30-2000
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<PP&E> 9,975,049
<DEPRECIATION> 9,079,840
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<BONDS> 0
0
0
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<SALES> 981,692
<TOTAL-REVENUES> 987,217
<CGS> 0
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<INCOME-PRETAX> 514,577
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<EPS-BASIC> 3.06
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</TABLE>