coalseam

基本解釋

The migrating methane by cross-borehole in coalseam is used in this condition.
交又鉆孔抽放本煤層瓦斯正是在這種條件下產(chǎn)生的。
Abstract There is coalseam methane in coalbed and coal bearing sequences in the study area.
在煤層和煤系地層中，產(chǎn)生并賦存著煤層氣。
This paper uses the numerical theory,constructs the math model of the effect of coalseam injection prediction,and gives an example of prediction.
本文應用數(shù)量化理論，給出了如何建立煤層注水效果的預測數(shù)學模型，并結(jié)合實例，進行了預測。
But because of the different conditions of the coal existing state, the migration effect is not good in coalseam in some coal mines.
但是，由于煤的賦存條件千差萬別，有些煤礦本煤層抽放效果一直不很理想。
With the high absorption intensity, stable hydrodynamic field and coalseam floor and roof,favorable coalbed gas system is formed.
盆地中部在豐富的氣源、砂巖成巖致密化早于主供氣期、成藏后構(gòu)造及水動力穩(wěn)定等成藏條件配合下形成了大型深盆氣系統(tǒng)。