<ARTICLE>                           5
<CIK>                               0000851724
<NAME>                              GEODYNE ENERGY INCOME LIMITED PTSP II-G

                                 
<PERIOD-TYPE>                       6-MOS
<FISCAL-YEAR-END>                   DEC-31-1999
<PERIOD-START>                      JAN-01-1999
<PERIOD-END>                        JUN-30-1999
<CASH>                                   427,496
<SECURITIES>                                   0
<RECEIVABLES>                            558,635
<ALLOWANCES>                                   0
<INVENTORY>                                    0
<CURRENT-ASSETS>                         986,131
<PP&E>                                23,730,405
<DEPRECIATION>                        19,644,034
<TOTAL-ASSETS>                         5,174,457
<CURRENT-LIABILITIES>                     61,622
<BONDS>                                        0
<PREFERRED-MANDATORY>                          0
<PREFERRED>                                    0
<COMMON>                                       0
<OTHER-SE>                             5,055,005
<TOTAL-LIABILITY-AND-EQUITY>           5,174,457
<SALES>                                1,704,587
<TOTAL-REVENUES>                       1,714,281
<CGS>                                          0
<TOTAL-COSTS>                          1,161,744
<OTHER-EXPENSES>                               0
<LOSS-PROVISION>                               0
<INTEREST-EXPENSE>                             0
<INCOME-PRETAX>                          552,537
<INCOME-TAX>                                   0
<INCOME-CONTINUING>                      552,537
<DISCONTINUED>                                 0
<EXTRAORDINARY>                                0
<CHANGES>                                      0
<NET-INCOME>                             552,537
<EPS-BASIC>                               1.37
<EPS-DILUTED>                                  0