<ARTICLE> 5 <CIK> 0000851724 <NAME> GEODYNE ENERGY INCOME LIMITED PSHIP II-G <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-01-1999 <PERIOD-END> MAR-31-1999 <CASH> 349,899 <SECURITIES> 0 <RECEIVABLES> 425,305 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 775,204 <PP&E> 23,730,445 <DEPRECIATION> 19,468,062 <TOTAL-ASSETS> 5,139,542 <CURRENT-LIABILITIES> 68,487 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 5,013,225 <TOTAL-LIABILITY-AND-EQUITY> 5,139,542 <SALES> 852,036 <TOTAL-REVENUES> 857,799 <CGS> 0 <TOTAL-COSTS> 709,503 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 148,296 <INCOME-TAX> 0 <INCOME-CONTINUING> 148,296 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 148,296 <EPS-PRIMARY> 0.35 <EPS-DILUTED> 0