The coal facies might indirectly control the petrophysical properties as adsorption, desorption and permability of the coal reservoir through directly controlling its pore system differential development.

• 煤相通过对该盆地高煤级煤储层孔隙系统差异发育的直接控制而间接控制了储层吸附、解吸及渗流物性的优劣。