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

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)。

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In the evaluation of displacement efficiency of water flooding and watered out degree, oil saturation of reservoirs must be studied.

油田注水驱油效果以及水淹程度评价中，都需要研究储层含油饱和度的变化状况。

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How to control water cut, extend swept volume of water injection and enhance oil displacement efficiency is a problem in dire need of settle at this time.

如何有效地控制含水，扩大注水波及体积，提高驱油效率是当前所要急需解决的问题。

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