wave slowness

基本解释

When mud cake is thick, formation permeability and shear wave slowness evaluated from the attenuation of the amplitude of Stoneley wave are wrong.
当泥饼层较厚时，用斯通利波幅度衰减估算的地层渗透率及提取的横波时差是错误的结果。
After the simulation of the well surrounded by two and three stratums, the two-dimensional spectrum is calculated while the curve of wave slowness changes with the frequency is drawn.
分别计算了井外有两层、三层介质时井内声波传播的二维谱，绘制了时差随频率的变化曲线。
Based on analysing the geneses of gravel sand reservoir in tan-hai area, the reservoir lithology is identified with cross plot technique of yang surname modulus and longitudinal wave slowness.
通过对滩海地区含砾砂岩储层成因的分析，利用杨氏模量与纵波时差交会图法识别出岩性。