Shengtuo oilfield has already entered the late period of
waterflooding. The distribution of remaining oil is very
complexity , and measures of recovery gets harder than before.
Based on the experiences accepted in recent years ,it has built oil
rormation - geology simulation ,. completed numeric - simulation
of several oil fields. Facing the condition of 94 % water
containment ,20 oil plots has used many analysis approaches to
study the remaining oil distribution ,20 oil plots has used many
analysis approaches to study the remaining oil distribution ,
including the methods of material spproaches to study the
remaining oil distribution , including the methods of material
balancement ,formation waterflooding , direction of injected water
and so on. The summery has utilized in ll oil plots to have
engineering machine adjustments. , had great achievements. So ,
some approaches of analysis used in the paper can give some
references to others.