On the basis of seepage flow mechanics, the impact of displacement rate on enhance oil recovery efficiency in different types of reservoir was investigated.
从渗流力学的基本规律出发，对几种不同类型储层驱替速度对提高油气采收率的影响进行了理论探讨。
Rod pumping oil recovery system is applied widely, the optimal method was usually used to enhance the efficiency, but it is easy to ignore that the electromotor matches other fixtures rationally.
有杆泵往复抽油方式常采用机、杆、泵优化的方法来提高系统的整体效率，但易忽略电动机与其他设备的合理匹配。
Comparing with water flooding, the viscoelasticity of polymer flooding is favorable for improving the sweep efficiency of reservoirs, but it is limited to enhance oil recovery.
与注水工艺相比，聚合物所具有的粘弹性能提高驱油效率，但其对提高采收率的贡献是有限的。
Comparing with water flooding, the viscoelasticity of polymer flooding is favorable for improving the sweep efficiency of reservoirs, but it is limited to enhance oil recovery.
与注水工艺相比，聚合物所具有的粘弹性能提高驱油效率，但其对提高采收率的贡献是有限的。
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