纯砂岩 clean sandstone; net sandstone 粗砂岩 farewell rock; greet stone; grit stone; gritrock; gritstone; grouan; growan; r ..
2
?有效砂体
有效砂体
双语例句
1
The major pay bed is low permeable ultra dense sandstone. Its permeability and pore throat texture are very sensitive to the net pressure of overlying strata.
主要产层为低渗透超致密砂岩，其渗透率和孔喉结构对上覆地层净压力很敏感。
2
Theoretical study shows the net stress is not equal to the effective stress because of the existing microcracks in the low permeability sandstone.