<ARTICLE> 5 <CIK> 0000879815 <NAME> GEODYNE ENERGY INCOME LIMITED PARTNERSHIP III-G <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JAN-01-1997 <PERIOD-END> JUN-30-1997 <CASH> 345,153 <SECURITIES> 0 <RECEIVABLES> 296,152 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 641,305 <PP&E> 10,575,950 <DEPRECIATION> 8,170,583 <TOTAL-ASSETS> 3,149,447 <CURRENT-LIABILITIES> 142,722 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 2,919,872 <TOTAL-LIABILITY-AND-EQUITY> 3,149,447 <SALES> 1,007,130 <TOTAL-REVENUES> 1,019,465 <CGS> 0 <TOTAL-COSTS> 2,226,101 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> (1,206,636) <INCOME-TAX> 0 <INCOME-CONTINUING> (1,206,636) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (1,206,636) <EPS-PRIMARY> (9.97) <EPS-DILUTED> 0