Waterflood can cause variation not only in reservoir fluid saturation, but also in reservoir temperature and pressure.

注水不仅会引起储层流体饱和度的变化，而且会导致储层温度和压力的变化。

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Oil saturation is one of the important parameters to evaluate fluid property and oil-bearing occurrence in a reservoir, which is mainly calculated by geochemical pyrolysis value, porosity and so on.

含油饱和度是评价储层流体性质及含油性的重要参数之一，含油饱和度的求取主要是靠地化热解值、 孔隙度等参数。

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Oil saturation is one of important parameters for the evaluation of the reservoir fluid property.

含油饱和度是评价储集层流体性质的重要参数之一。

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