| Adopting many scientific methods and proven findings, this paper studies thoroughly structural coal in Luling coalmine focusing on its formation, distribution, its micro-porosity, especially of seam 8, one of its main workable seams, which is highly adsorptive and badly impermeable to methane. Accordingly it tries to settle problems concerning how to better drain methane from underground. This paper can be referred as a seed leading to improve drainage efficiency in Luling coalmine. |
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