According to gas reservoir characteristics of No.21 coal seam in the area and CBM resource condition,assessed preliminarily the No.21 coal seam CBM potential and exploitability in the mining area.

• 依据该矿区二1煤储层特征、煤层气资源条件,初步评价了该矿区二1煤煤层气资源潜力和可采性。