Permeability Enhancement and Gas Drainage Effect in Deep High Gassy Coal Seams via Long-Distance Pressure Relief Mining: A Case Study

Figure 2

Longwall fully mechanized panel 11223 of the Paner coal mine in the Huainan mining area: (a) colliery location, (b) panel and roadway layout, and (c) simplified geological settings.

(a)

(b)

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