Effects of pore fluid property, contents variety and measurement frequency variety on frequency dispersion of argillaceoussandstone are analyzed.
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。
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Generally, values of wave impedance in argillaceoussandstone and sandy mudstone are relatively large, while that in mudstone is relatively small, and that in sandstone is situated between the two.