<ARTICLE> 5 <CIK> 0000863837 <NAME> GEODYNE ENERGY INCOME LTD PARTNERSHIP III-C <PERIOD-TYPE> 12-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JAN-01-1997 <PERIOD-END> DEC-31-1997 <CASH> 540,911 <SECURITIES> 0 <RECEIVABLES> 497,737 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 1,038,648 <PP&E> 19,627,883 <DEPRECIATION> 16,185,252 <TOTAL-ASSETS> 4,567,928 <CURRENT-LIABILITIES> 83,542 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 4,341,558 <TOTAL-LIABILITY-AND-EQUITY> 4,567,928 <SALES> 3,071,851 <TOTAL-REVENUES> 3,255,587 <CGS> 0 <TOTAL-COSTS> 3,365,178 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> (109,591) <INCOME-TAX> 0 <INCOME-CONTINUING> (109,591) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (109,591) <EPS-PRIMARY> (0.80) <EPS-DILUTED> 0