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用自然电位计算地层水电阻率是测井解释中常用的一种方法。这里主要谈求泥浆滤液电阻率和地层水电阻率的等效问题。泥浆滤液电阻率和泥饼电阻率一、概况目前求泥浆滤液电阻率和泥饼电阻率的资料有好几种,共同认为这二者都与泥浆电阻率有关。但关于进一步的关系,则说法不一。德莱赛公司的资料认为它们仅与温度有关;斯仑贝谢(以前译为斯仑贝尔)公司和苏联的资料却认为还与泥浆比重有关。
Calculating formation water resistivity with natural potential is a commonly used method for logging interpretation. Here mainly talk about the equivalent of mud filtrate resistivity and formation water resistivity. Mud filtrate resistivity and mud cake resistivity I. Overview At present, there are several kinds of information on the mud filtrate resistivity and mud cake resistivity, which are both considered to be related to mud resistivity. But there are different opinions on further relations. Dresser’s data suggest that they are temperature-dependent only; the data from Schlumberger (formerly Schlumberger) and the Soviet Union are thought to be related to mud weight.