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介绍利用自然电位幅度差值 ΔSP与视地层水电阻率 Rwa交会图确定复杂地层水系下高电阻率地层的地层水电阻率的方法 ,并计算储层含油饱和度 ,判断油水地层。以实例证明该方法在 FL 凹陷的应用
A method to determine the formation water resistivity of high resistivity formation in complex formation water system by using intersection of natural potential amplitude difference ΔSP and apparent water resistivity Rwa is introduced. The oil saturation of reservoir is calculated to determine the oil-water formation. An example is given to demonstrate the application of this method in FL depression