Research of the methan content effecting on gas-draine efficiency in the stope when boreholes are left in uncontrollable workings

Mineev, S.P.; Kocherga, Victor; Korneev, Yu. A.; Yanzhula, Oleksii; Gulay, O.O.; Samopalenko, P.M.; «Myrnogradvugillya», SE; «Pokrovskoye», MM

doi:10.15407/geotm2018.141.107

Geoteh. meh.

2018

DOI: 10.15407/geotm2018.141.107

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Research of the methan content effecting on gas-draine efficiency in the stope when boreholes are left in uncontrollable workings

S.P. Mineev¹,

Victor Kocherga²,

Yu. A. Korneev³

et al.

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2020

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“…Thus, in the United States since 2010, methane production in coal deposits reaches at least 60 billion cubic meters per year, which is more than 10 % of the total dry gas produced [5]. The extraction of coal methane also contributes to the safe conduct of mining operations [6,7] and to the improvement of the ecological state of the environment [8,9] by reducing harmful emissions into the atmosphere [10]. Most of the scientific papers concerning the coal methane release are devoted to the evaluation of the overall scope of harmful emissions [11,12].…”

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confidence: 99%

Forecast of methane emission from the undermined coalrock massif

Lukinov¹,

Bezruchko²,

Zhykalyak³

et al. 2020

Nauk. visn. nat. hirn. univ.

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forecAst of MethAne eMIssIon froM the unDerMIneD coAlrocK MAssIf purpose. To develop an algorithm of forecasting the methane emission from the undermined coalrock massif according to the data of coal production, the values of absolute methane content of a mine and indexes of the methanebearing capacity of coal beds that are developed. Methodology. Statistical processing of actual data concerning the methanebearing capacity of coal beds that are developed as well as the volumes of methane emission and coal production. Based on the obtained stable values of the specific methane emis sion and the volumes of coal production, the total volumes of methane entry are calculated, and with the exception of methane release from the coal beds, the volumes of methane entry from the coalrock massif are estimated. findings. The algorithm of forecasting the quantity evaluation for methane emission from the undermined coalrock massif in operating coal mines is developed. Data analysis 10 years concerning the methane emission while coal beds mining at "Pivdenno Donbaska1" and "PivdennoDonbaska3" mines has been carried out for. An algorithm has been developed for the forecasting factor of methane emission from the undermined coalrock massif, which consists in establishing generalized values of methane emissions into a mine, calculating specific methane emissions from coal, based on the natural and residual methane bearing ca pacity of coal beds that are developed and a rough estimate for the amount of methane emission from the rock massif containing working coal beds. originality. The algorithm for quantitative estimation of methane emission separately from the undermined coalrock massif was developed for the first time, and examples of its practical application by calculation of mining and geological data at "Piv dennoDonbaska1" and "PivdennoDonbaska3" mines are presented. practical values. The developed algorithm for calculating methane emission from the undermined coalrock massif can be used to forecast the methane emission of operating and closed mines in order to evaluate the possibility of its practical industrial pro duction.

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mentioning

confidence: 99%

Forecast of methane emission from the undermined coalrock massif

Lukinov¹,

Bezruchko²,

Zhykalyak³

et al. 2020

Nauk. visn. nat. hirn. univ.

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Research of the methan content effecting on gas-draine efficiency in the stope when boreholes are left in uncontrollable workings

Cited by 1 publication

References 0 publications

Forecast of methane emission from the undermined coalrock massif

Forecast of methane emission from the undermined coalrock massif

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