<ARTICLE> 5 <CIK> 0000879815 <NAME> GEODYNE ENERGY INCOME LTD PARTNERSHIP III-G <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-2000 <PERIOD-START> JAN-01-2000 <PERIOD-END> SEP-30-2000 <CASH> 323,727 <SECURITIES> 0 <RECEIVABLES> 355,351 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 679,078 <PP&E> 9,153,608 <DEPRECIATION> 7,978,371 <TOTAL-ASSETS> 1,890,792 <CURRENT-LIABILITIES> 43,170 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 1,767,553 <TOTAL-LIABILITY-AND-EQUITY> 1,890,792 <SALES> 1,463,791 <TOTAL-REVENUES> 1,632,930 <CGS> 0 <TOTAL-COSTS> 665,739 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 967,191 <INCOME-TAX> 0 <INCOME-CONTINUING> 967,191 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 967,191 <EPS-BASIC> 7.50 <EPS-DILUTED> 0