Efficiency of Core Samplers in Measurement of Methane Emission in Coal Beds
O. V. TAILAKOV1,2, V. P. TATSIENKO1, A. N. KORMIN2, A. I. SMYSLOV2
1Gorbachev Kuzbass State Technical University, ul. Vesennyaya 28, Kemerovo, 650000 Russia
2Institute of Chemistry of Coal, Siberian Branch, Russian Academy of Sciences, Leningradskii pr. 10, Kemerovo, 650065 Russia
Keywords: газоносность угля, кернонаборник открытого типа, десорбция метана из угля, определение упущенного объема газа, угольная шахта, coal gas content, open-type core sampler, methane desorprion, lost methane volume estimation, coal mine
Abstract
Currently coal is extracted from highly gaseous beds using preliminary degassing. To estimate efficiency of measures aimed to reduce residual gas content of coal beds, an original approach is offered based on measuring methane content of coal samples taken directly in mine using deep horizontal holes. The authors describe the purpose-designed core sampler and the methane drainage efficiency estimates obtained using the core sampler.
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