<ARTICLE> 5 <CIK> 0000780200 <NAME> GEODYNE ENERGY INCOME LTD PARTNERSHIP I-B <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-01-1999 <PERIOD-END> MAR-31-1999 <CASH> 12,265 <SECURITIES> 0 <RECEIVABLES> 33,070 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 45,335 <PP&E> 6,509,872 <DEPRECIATION> 6,246,309 <TOTAL-ASSETS> 383,146 <CURRENT-LIABILITIES> 20,387 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 339,269 <TOTAL-LIABILITY-AND-EQUITY> 383,146 <SALES> 71,382 <TOTAL-REVENUES> 71,440 <CGS> 0 <TOTAL-COSTS> 67,209 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 4,231 <INCOME-TAX> 0 <INCOME-CONTINUING> 4,231 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 4,231 <EPS-PRIMARY> 0.30 <EPS-DILUTED> 0