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本文把胶结极差的含油气砂岩看成粘性或粘弹性流体,建立弹性固体中粘性(或粘弹性)流体夹层模型,求出了平面SH简谐波在流体层上的反射系数与透射系数,它们是与频率有关的函数.
In this paper, we consider the poorly grounded oil / gas sandstone as a viscous or viscoelastic fluid and establish a viscous (or viscoelastic) sandwich model of fluid in elastic solid. The reflection coefficient and transmission coefficient of planar SH harmonic in the fluid layer are obtained, They are frequency dependent functions.