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.
儅泥餅層較厚時，用斯通利波幅度衰減估算的地層滲透率及提取的橫波時差是錯誤的結果。
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.
分別計算了井外有兩層、三層介質時井內聲波傳播的二維譜，繪制了時差隨頻率的變化曲線。
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.
通過對灘海地區含礫砂巖儲層成因的分析，利用楊氏模量與縱波時差交會圖法識別出巖性。