该油藏最显著的特点是在其顶部存在残存地层水。
Its obvious feature is that residual water exists in the too of reservoir.
如何经济有效地开采水驱开发后残留在地层中的60 ~ 70%的剩余油，已成为世界各国油藏工程专家努力攻关的课题。
How to exploit the residual oil in the stratum efficiently after water flooding, which accounts for 60 ~ 70% reserves in place, is a main task of petroleum engineering experts the entire world.
注入水与地层水的配伍性和水质对地层的伤害是影响低渗透油藏开发的重要因素。
Compatibility of injected water and formation water as well as the formation damage caused by water quality are the main factors to affect the development of low permeable reservoir.
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