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Geophysical research of areas with increased gas content of coal seams

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Category: Geology

Last Updated on 08 February 2016

Published on 08 February 2016

Hits: 4030

Authors:

A.M. Gazaliyev, Dr. Sci. (Chem.), Professor, Academician of NAS of RK, Karaganda State Technical University, Rector, Karaganda, Republic of Kazakhstan.

V.S. Portnov, Dr. Sci. (Tech.), Professor, Karaganda State Technical University, Head of the Postgraduate Education Department, Karaganda, Republic of Kazakhstan.

R.K. Kamarov, Cand. Sci. (Tech.), Professor, Karaganda State Technical University, Director of Institution of Advanced Training, Karaganda, Republic of Kazakhstan.

A.D. Maussymbayeva, Cand. Sci. (Tech.), Karaganda State Technical University, Senior Instructor, Karaganda, Republic of Kazakhstan.

V.М. Yurov, Cand. Sci. (Phys.-Math.), Associate Professor, Academician E.A. Buketov Karaganda State University, Director of the Research Center “Ion-Plasma Technologies and Modern Instrument,” Karaganda, Republic of Kazakhstan

Abstract:

Purpose. To establish links between the main parameters of geophysical methods of mineral prospecting (electrical resistance, scattering intensity of gamma radiation, rate of elastic waves, etc.) and the gas content of coal seams as well as to give practical recommendations on the economic efficiency of industrial methane extraction from the unrelieved coal seams.

Methodology. The research employed the statistical methods of non-equilibrium thermodynamics, which allow us to determine the response function of the areas with increased gas recovery on the impact of geophysical fields.

Originality. The theoretical explanation of a number of effects, such as the dependence of specific electrical resistivity, scattered gamma radiation and velocity of elastic waves on the thermodynamic parameters of the investigated medium have been obtained.

Practical Value. The thermodynamic approach to the solution of geophysical problems allows us to give a theoretical explanation to a number of effects, such as the dependence of specific resistivity, scattered gamma radiation, and elastic wave velocities on the methane content in coal seams. The solution of these problems results into the technological chain of methane production, detection of high gas content areas, gas production and utilization.

References:

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2. Puchkov, A.A. and Slastunov, S.V. (2005), “Solving problems of coalbed methane: methane safety, industrial gas production, environment”, Ugol, no.2. pp. 5–7.

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6 Pogosjan, A.G. (2012), “Selecting zones with enhanced gas coal seams based on multiwave seismic data and GIS”, Abstract of Cand. Sci. (Tech.) dissertation, Krasnodar, Russian Federation.

7. Levashov, S.P., Yakimchuk, N.A., Korchagin, I.N., Bozhezha, D.N. and Yakimchuk Yu.N. (2010), “Practical experience in the search and charting geo-by electric methods of methane accumulations in the mines of the Donbass”, Teoretychni ta Prykladni Aspekty Heoinformatyky, pp. 216−231.

8. Homenko, O.S. (2007), Synergetic approach to the assessment of the strength properties of rocks, Naukovyi Visnyk Natsionalnoho Hirnychoho Universytetu, Dnipropetrovsk, no.7, pp. 29−31

9. Portnov, V.S., Jurov, V.M., Hamitov, E.S. and Muldagaliev, F.A. (2014), Geofizicheskie zadachi v issledovanii zon s povyshennoy gazootdachey ugolnykh plastov [Geophysical Problems in Researches of Zones with Enhanced Gas Recovery in Coal Seams], KarGTU, Karaganda, Kazkhstan.

10. Portnov, V.S. (2003), Termodinamicheskiy podhod k zadacham geofizicheskogo oprobovaniya zhelezorudnyh mestorozhdeniy [The Thermodynamic Approach to the Problems of Geophysical Testing of Iron-Ores Deposits], KarGTU, Karaganda, Kazakhstan.

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