<ARTICLE>                          5
<CIK>                              0000780200     
<NAME>                             GEODYNE ENERGY INCOME LIMITED PARTNERSHIP I-B
                                    
                                
<PERIOD-TYPE>                      9-MOS
<FISCAL-YEAR-END>                  DEC-31-1998
<PERIOD-START>                     JAN-01-1998
<PERIOD-END>                       SEP-30-1998
<CASH>                                    52,296
<SECURITIES>                                   0
<RECEIVABLES>                             28,494
<ALLOWANCES>                                   0
<INVENTORY>                                    0
<CURRENT-ASSETS>                          80,790
<PP&E>                                 6,509,871
<DEPRECIATION>                         6,221,787
<TOTAL-ASSETS>                           468,136
<CURRENT-LIABILITIES>                      8,412
<BONDS>                                        0
<PREFERRED-MANDATORY>                          0
<PREFERRED>                                    0
<COMMON>                                       0
<OTHER-SE>                               437,204
<TOTAL-LIABILITY-AND-EQUITY>             468,136
<SALES>                                  199,910
<TOTAL-REVENUES>                         200,938
<CGS>                                          0
<TOTAL-COSTS>                            145,329
<OTHER-EXPENSES>                               0
<LOSS-PROVISION>                               0
<INTEREST-EXPENSE>                             0
<INCOME-PRETAX>                           55,609
<INCOME-TAX>                                   0
<INCOME-CONTINUING>                       55,609
<DISCONTINUED>                                 0
<EXTRAORDINARY>                                0
<CHANGES>                                      0
<NET-INCOME>                              55,609
<EPS-PRIMARY>                               4.29
<EPS-DILUTED>                                  0