<ARTICLE> 5 <CIK> 0000870229 <NAME> GEODYNE ENERGY INCOME LTD PARTNERSHIP III-D <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-START> JAN-01-1998 <PERIOD-END> SEP-30-1998 <CASH> 257,201 <SECURITIES> 0 <RECEIVABLES> 244,782 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 501,983 <PP&E> 12,481,774 <DEPRECIATION> 10,464,564 <TOTAL-ASSETS> 2,538,068 <CURRENT-LIABILITIES> 45,846 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 2,290,288 <TOTAL-LIABILITY-AND-EQUITY> 2,538,068 <SALES> 1,348,399 <TOTAL-REVENUES> 1,412,277 <CGS> 0 <TOTAL-COSTS> 878,953 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 533,324 <INCOME-TAX> 0 <INCOME-CONTINUING> 533,324 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 533,324 <EPS-PRIMARY> 3.80 <EPS-DILUTED> 0