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V. V. Zubkov
V. V. Zubkov
chief research assistant, Ph.D.
Saint Petersburg State Mining Institute (Technical University)
chief research assistant, Ph.D.
Saint Petersburg State Mining Institute (Technical University)

Articles

Mining
  • Date submitted
    2015-10-01
  • Date accepted
    2015-12-11
  • Date published
    2016-04-01

The technology of extracting gaseous fuel based on comprehensive in situ gasification and coalbed degassing

Article preview

The study considers a comprehensive technology (designed and patented by the authors) of developing coal and methane deposits which combines in situ gasification of lower coalbeds in the suite of rock bump hazardous gassy beds, extraction of coal methane and mechanized mining of coal. The first stage of the technology consists in mining gaseous fuel that enables one to extract up to 15-20 % of total energy from the suite of coalbeds. Geodynamic zoning is used to select positions for boring wells. Using the suggested technology makes it possible to solve a number of tasks simultaneously. First of all that is extracting gaseous fuel from the suite of coalbeds without running any mining works while retaining principal coalbeds in the suite and preparing them for future processing (unloading and degassing). During the first phase the methane-coal deposit works as a gas deposit only, the gas having two sources – extracted methane (which includes its locked forms, absorbed and adsorbed) and the products of partial incineration of thin coalbeds, riders and seams from thee suite. The second stage consists in deep degassing and unloading of coal beds which sharply reduces the hazards of methane explosion and rock bumps, thus increasing the productivity of mechanized coal mining. During the second stage coal is mined in long poles with the account of degassing and unloading of coal beds, plus the data on gas dynamic structure of coal rock massif.

How to cite: Shabarov A.N., Tsirel S.V., Goncharov E.V., Zubkov V.V. The technology of extracting gaseous fuel based on comprehensive in situ gasification and coalbed degassing // Journal of Mining Institute. 2016. Vol. 220. p. 545. DOI: 10.18454/PMI.2016.4.545
Innovation in designing of mining plants
  • Date submitted
    2012-12-12
  • Date accepted
    2013-02-09
  • Date published
    2013-06-01

Choice of design decisions on development of fields taking into account results of geodynamic division into districts and geometrizations of dangerous zones

Article preview

Data on use of information on block structure, geodynamic and geomechanical condition of the massif of rocks are given in article at design of development of layers of coal fields. It is recommended to carry out geodynamic division into districts and to consider results of researches in the course of design of mountain works at different stages of development of a field with allocation of three large-scale levels.

How to cite: Shabarov A.N., Zubkov V.V., Krotov N.V., Podosenov A.A., Marshak N.A. Choice of design decisions on development of fields taking into account results of geodynamic division into districts and geometrizations of dangerous zones // Journal of Mining Institute. 2013. Vol. 205. p. 66.
Geotechnology
  • Date submitted
    2010-08-25
  • Date accepted
    2010-10-03
  • Date published
    2011-02-01

Assessment of geodynamic and geomechanical conditions in the mining of ore bodies of near-ore bank reserves at the Koashva open-pit mine

Article preview

In connection with a gradual extraction of ore areas in a valley, with the aim of support of annual output of the Koashva open-pit mine, a necessity arises in involving in the mining of near-ore bank reserves, located in the north-west bench of open-pit mine. For uncovering and mining of near-ore bank reserves it is necessary to assess the geodynamic and geomechanical conditions for support of the safe mining operations. The article describes the solution of this problem by means of software product 3DEC of Itasca firm.

How to cite: Zubkov V.V., Zubkova I.A., Leontev G.V., Zileev A.G. Assessment of geodynamic and geomechanical conditions in the mining of ore bodies of near-ore bank reserves at the Koashva open-pit mine // Journal of Mining Institute. 2011. Vol. 190. p. 86.
Geomechanics
  • Date submitted
    2010-08-24
  • Date accepted
    2010-10-27
  • Date published
    2011-02-01

Assessment of safety factor for analysis of stability of boards of open-cast mines

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The paper contains the results of numerical experiments about the influence of natural factors on the value of safety factor and dimensions of ultimate state zones for analysis of stability of boards of open-cast mines.

How to cite: Zubkov V.V., Zubkova I.A. Assessment of safety factor for analysis of stability of boards of open-cast mines // Journal of Mining Institute. 2011. Vol. 190. p. 183.
Problems in geodynamic safety in the exploration of solid deposits
  • Date submitted
    2009-10-23
  • Date accepted
    2009-12-10
  • Date published
    2010-04-01

Geomechanical substantiation of projects of ore deposits mining

Article preview

The paper presents the monitoring system for better geodynamic safety in mining of mineral deposits. The suggested system of geodynamic monitoring allows us to evaluate the stress state of ore massif for the planned variant of mining and to give recommendations on the safe deposit mining. Based on the analysis of the modeling data, consideration was given to one of the variants of geomechanical substantiation of the project of ore deposit mining.

How to cite: Zubkov V.V., Filinkov A.A. Geomechanical substantiation of projects of ore deposits mining // Journal of Mining Institute. 2010. Vol. 188. p. 31-35.
Problems in geodynamic safety in the exploration of solid deposits
  • Date submitted
    2009-10-02
  • Date accepted
    2009-12-03
  • Date published
    2010-04-01

Particular formation of higher rock pressure zones with intensive mining of contiguous seams at coal mines of the «Suek-Kuzbass» CO

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The problem of mining the suites of contiguous coal seams is considered. The sequential manner of seams mining essentially has influence on change of rock and gas pressure. The results of calculation and construction of borders of zones of higher rock pressure are presented. The analysis of conditions of hazardous zones formation is given.

How to cite: Paltsev A.I., Zubkov V.V., Krotov N.V. Particular formation of higher rock pressure zones with intensive mining of contiguous seams at coal mines of the «Suek-Kuzbass» CO // Journal of Mining Institute. 2010. Vol. 188. p. 54-57.
Problems in geodynamic safety in the exploration of solid deposits
  • Date submitted
    2009-10-14
  • Date accepted
    2009-12-27
  • Date published
    2010-04-01

Modeling of geomechanical processes and their geophysical control in coal strata mining

Article preview

The paper presents the results of combination of geomechanical and geophyisical monitoring. The stress state of the minable coal seams is calculated according to the program FAULT3D with account of mining operations plan, specific seam occurrence and geological disturbances. The analysis of seismic events in the geodynamically hazardous zone has been made.

How to cite: Zubkov V.V., Zubkova I.A. Modeling of geomechanical processes and their geophysical control in coal strata mining // Journal of Mining Institute. 2010. Vol. 188. p. 82-86.