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.
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。
3
The quantity and distribution of remaining oil are dominated by the type of deposit rhythm, gravity and capillarity force, permeability and water flooding degree.