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。

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

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差油层动用状况较差，导致油田水驱效率和波及系数较低，最终采收率低，开发效果差。

Producing condition of poor reservoir is bad, which makes waterflood efficiency, conformance factor and final recovery efficiency low, and the development effect is bad.

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模拟驱油实验表明，在水驱原油效率58.65%的基础上可再提高驱油效率15.75% (OOIP)。

The stimulating displacement experiments show that, based on water flooding efficiency 58.65%, the oil displacement efficiency can increase 15.75% (OOIP).

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