残余油指经过某一采油方法或驱替作用后，仍然不能采出而残留于油层孔隙中的原油。其体积在岩石孔隙中所占体积的百分数称为残余油饱和度，用Sor表示。可以理解，驱替结束后残余油是处于束缚状态、不可流动状态的。属于剩余油的一部分。
... irreducible minimum saturation 束缚水最小饱和度 irreducible oil 残余油 irreducible phase errors 残余相位误差 ...
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残余油滴 ganglion ; oil segment ; residual oil ganglia
残余油饱和度 residual oil saturation ; interstitial-oil saturation ; Sor residual oil saturation ; oil saturation
残余油滴驱替 ganglia displacement
注水残余油 residual waterflood oil
残余油分布 residual oil distribution
残余油墨量 The amount of residual ink ; residual ink amount
不可动残余油 immobile residual oil
簇状残余油 cluster-type residual oil
索状残余油滴 funicular ganglia
运移分馏作用可以产生衍生凝析油和残余油。
Migration fractionation can form derived condensate and residual oil.
提出了用热解参数计算残余油饱和度的新方法。
Suggest a new method of calculating residual oil saturation by means of pyrolytic parameters.
实验条件相似的流体，其弹性越大，驱替后残余油饱和度越低。
The higher the elasticity is, the lower the saturation of residual oil will be.
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