These researches have great significance for preventing aqueous phase trapping damages and improving waterflood efficiency in the course of drilling, completion and development.

在钻井完井及开发过程中防止水相圈闭损害，提高水驱效率具有重要意义。

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Incipient motion of solid grain in solid-liquid two \ | phase flow is often concerned in many petroleum technologies, such as horizontal drilling, gravel-packing and sand washing.

水平井钻井、砾石充填及冲砂等作业都涉及到固液两相流动的固体颗粒起动问题。

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For low permeability micro - fractured reservoirs drilling and completion operations, the solid phase invasive, stress-sensitive, water trapping is the main damage mechanism.

对于低渗微裂缝储层钻井完井作业而言，固相侵入、应力敏感、水相圈闭是主要损害机理。

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