Waterflood can cause variation not only in reservoirfluidsaturation, 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.