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Influence of Coal Microstructure on Gas Content of the Face Area

  • Geomechanics
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Journal of Mining Science Aims and scope

Abstract

The author study gas content of coal seams in the face areas in mines of SUEK-Kuzbass. It is found that gas content of coal samples from newly exposed face ranges between 2.4 and 13.5 m3/t and makes 32–60% of natural gas content of studied seams. The coal seams with lower gas content in face area have more ordered microstructure estimated by mean of plotting entropy–structure complexity diagrams based on thousandfold enlarged digital images of coal surface. Coal seams with more chaotic structural arrangement possess both higher natural gas content and gas saturation in face area.

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Authors and Affiliations

  1. Academician Melnikov Institute of Comprehensive Exploitation of Mineral Resources—IPKON, Russian Academy of Sciences, Moscow, 111020, Russia

    O. N. Malinnikova, E. V. Ul’yanova, A. V. Kharchenko & B. N. Pashichev

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  1. O. N. Malinnikova
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  2. E. V. Ul’yanova
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  3. A. V. Kharchenko
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  4. B. N. Pashichev
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Correspondence to O. N. Malinnikova.

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Russian Text © The Author(s), 2020, published in Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, 2020, No. 3, pp. 25–33.

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Malinnikova, O.N., Ul’yanova, E.V., Kharchenko, A.V. et al. Influence of Coal Microstructure on Gas Content of the Face Area. J Min Sci 56, 351–358 (2020). https://doi.org/10.1134/S106273912003683X

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  • DOI: https://doi.org/10.1134/S106273912003683X

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