Abstract
The research has been supported by the Ministry of Education and Science of Ukraine via research grant No. 0120U102084 and carried out by Dnipro University of Technology and Technical University of Kosice, Institute of Earth’s Resources (Slovakia). We express gratitude to our colleagues from our institutions who provide us with the required information and helped considerably complete the research.
Highlights
Nowadays, natural gas consumption is at a high level
Procedures aimed at prevention, decrease, or redistribution of mine methane emissions within the mine working during certain technological processes are widely used in coal mines [22]-[24]
According to the wellknown coal rock mass degassing technique, horizontal degassing wells are drilled within the rock mass; the wells access the seam roof rocks throughout the pillar length in parallel to the zonal mine workings with return ventilation air
Summary
Natural gas consumption is at a high level. Since gas is extracted mostly from nonrenewable deposits, that results in the necessity to expand the exploration area and search for alternative sources [1]-[3] as well as to Improve the available extraction techniques [4]-[9] and to consider unconventional methods of gas recovery from coal and biomass [10], [11]. Coal seams, which development involves the equipment requiring constant improvement, may be considered as alternative sources to extract natural gas [16], [17]. Growth of air supply to the production development sites is limited by such parameter as boundary admissible air rate and economically expedient areas of mine working cross sections. Owing to those facts, procedures aimed at prevention, decrease, or redistribution of mine methane emissions within the mine working during certain technological processes (gas control methods) are widely used in coal mines [22]-[24]. The methods include gas control, mining and engineering facilities control, ventilation facilities control, and degassing facilities control
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