只有从频散的斯通利波和弯曲波中提取出相慢度，才有可能进一步求准地层渗透率和横波慢度等参数。
Only when phase slowness is extracted from the Stoneley wave and the flexural wave, can the parameters of formation be obtained exactly, such as permeability and shear slowness.
由断层作用造成的地层缩短量等于水平断距；由褶皱造成的地层缩短量等于褶皱弯曲部分的长度减去弯曲剖分的水平距离。
The shortened part due to faulting is equal to horizontal fault throw, and the shortened part due to folding is the difference between a curved formation length and its corresponding "span".
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