It has become an important subject to be resolved necessarily with polymer flooding being applied to enhance oil recovery and increasing sewage quantity year by year.

随着各个油田相继采用聚合物驱以提高原油采收率，采油污水的数量在逐年增加，其处理已经成为一个亟待解决的问题。

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Surfactant flooding can reduce injection pressure increase quantity, and can improve the efficiency of flooding, can effectively solve the problems existing in the water.

表面活性剂驱可以降低注入压力增加注入量，又可以提高驱油效率，能够有效的解决注水中存在的问题。

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The quantity and distribution of remaining oil are dominated by the type of deposit rhythm, gravity and capillarity force, permeability and water flooding degree.

剩余油的数量、分布情况受油层沉积韵律类型、重力作用、毛管力作用、油层渗透率、水驱强度等多种因素的制约。

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