The article discusses the research of methane release intensity versus average daily output in coal mines featuring different geological and mining conditions in Vorkuta and Kuznetsk Coal Basins. The authors describe degassing of producing and superimposed methane-bearing coal beds in highly productive longwalls, at the stages of coal face output of 26 thousand tonnes per day and in the first months of operation.
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Trubetskoy et al. (2011) studied this question.