地层水矿化度对岩石电阻率绝对值的影响很大。
The formation water salinity has a large effect on the absolute resistivity values.
高矿化度的地层水，降低了油层与水层的电阻率对比度。
High formation water salinity reduces resistivity contrast between oil layer and water layer.
对于一给定矿化度的地层水，复配体系能将界面张力降低至超低。
The interfacial tension will decrease to ultralow value for the formation water with given salinity.
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