Methane Emission in Degassing Holes ahead of a Stoping Face
V. S. BRIGIDA1, N. N. ZINCHENKO2
1Donetsk Research Institute of Coal, ul. Artema 114, Donetsk, 83048 Ukraine 2Donetsk National Technical University, ul. Artema 58, Donetsk, 83001 Ukraine
Keywords: дегазация скважины, явление зональной дезинтеграции горных пород, концентрация метана, degassing holes, zonal disintegration of rocks, methane concentration
Abstract
The authors have revealed features of local methane concentration minimums in undermined degassing holes and causes of their zonality. The offered hypothesis on methane emission in underground wells accounts for zonal disintegration of rock mass around a stope.
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