<ARTICLE> 5
<CIK> 0000850506
<NAME> GEODYNE ENERGY INCOME LIMITED PARTNERSHIP II-F
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               JUN-30-1997
<CASH>                                         710,290
<SECURITIES>                                         0
<RECEIVABLES>                                  328,589
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                             1,038,879
<PP&E>                                      12,310,900
<DEPRECIATION>                               9,655,079
<TOTAL-ASSETS>                               3,766,403
<CURRENT-LIABILITIES>                           62,954
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                             0
<OTHER-SE>                                   3,675,127
<TOTAL-LIABILITY-AND-EQUITY>                 3,766,403
<SALES>                                      1,176,415
<TOTAL-REVENUES>                             1,351,273
<CGS>                                                0
<TOTAL-COSTS>                                1,954,951
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                              (603,678)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                          (603,678)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                 (603,678)
<EPS-PRIMARY>                                   (3.71)
<EPS-DILUTED>                                        0