For the tight sandstone containing gas, only velocityratio of P wave to s wave and Poisson ratio are sensitive to fluid variation.
而对于致密含气砂岩,纵、横波速度比及泊松比对流体变化相对较为敏感。
2
In the meantime, fracture developing frequency of Fuyu oil pay zone is analyzed and calculated by using ratio of vertical wavevelocity - "crocodile factor" method.
同时,运用纵波波速的比值——“龟裂系数”方法对扶余油层储层的裂缝发育频率进行了分析、计算。
3
The intrinsic frequency of P-wave increases because of existence of apparatus and its amplitude has been influenced by velocityratio of P-wave vs S-wave.