泥质砂岩视地层因素与地层水电阻率有关，随地层水矿化度升高而增大。

The apparent formation factor increases with the increase of the salinity of formation water.

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分析孔隙流体性质及含量变化和测量频率变化对泥质砂岩频散特性的影响。

Effects of pore fluid property, contents variety and measurement frequency variety on frequency dispersion of argillaceous sandstone are analyzed.

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本文以永乐油田为例，提出了一种适合泥质砂岩储层的有效孔隙度参数解释方法。

Taking Yongle Oilfield as an example, this paper gives an interpretation method of effective porosity parameters suitable for shale sandstone reservoir.

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