Study on Reasonable Formation Pressure Maintenance Level for Middle-Deep Reservoirs in the Bohai Sea

Table 2

Comparison table of oil recovery under different pressure maintenance levels in different well areas.

Pressure maintenance levels	Well 1 area	Well 2 area	Well 3 area	Well 5 area	Well 6 area	Well 8Sa area
100%	29.8	32.6	20.8	31.8	31.2	30.0
95%	30.2	32.0	20.2	32.3	31.4	29.8
90%	29.5	30.5	19.5	31.4	30.5	29.0
85%	27.8	28.0	18.0	29.5	29.0	27.6