<ARTICLE> 5 <CIK> 0000851724 <NAME> GEODYNE ENERGY INCOME LTD PARTNERSHIP II-G <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-START> JAN-01-1998 <PERIOD-END> MAR-31-1998 <CASH> 690,692 <SECURITIES> 0 <RECEIVABLES> 789,079 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 1,479,771 <PP&E> 24,968,337 <DEPRECIATION> 19,928,358 <TOTAL-ASSETS> 6,643,727 <CURRENT-LIABILITIES> 141,074 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 6,438,544 <TOTAL-LIABILITY-AND-EQUITY> 6,643,727 <SALES> 914,389 <TOTAL-REVENUES> 1,172,985 <CGS> 0 <TOTAL-COSTS> 572,583 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 600,402 <INCOME-TAX> 0 <INCOME-CONTINUING> 600,402 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 600,402 <EPS-PRIMARY> 1.51 <EPS-DILUTED> 0