CBM exists freely in the coal cleat and other fracture pore.It can migrate freely powered by the pressure of formation water and the gas buoyancy.
英
美
- 煤层甲烷以自由状态存在于煤的割理和其他裂缝孔隙中,可以自由运移,运移的动力是地层水压力和气体浮力。