Аңдатпа
SeTTiNg The volume AND loCATioN of The gAS ColleCToRS of AbANDoNeD CoAl miNeSPurpose.Developing a research method for setting the most probable gas collector cavities and their volumes from the position of rock movement and gas dynamics of coal seams.methodology.The model of forming voids and cracks filled with gas in the abandoned mines is based on the analysis of mining-and-geological and mining-technical conditions, as well as the existing ideas of the mechanism of rock movement in the mined-out space of coal mines.findings.As a result of the analysis of the mechanism of shifting the underworked and overworked coal seams, there have been established the most probable locations of the gas collectors from the position of its possible extraction in the abandoned mines.There has been proposed a model for calculating the volume of gas cavities after the mine liquidation.There has been determined a fraction of voidness with respect to the extracted coal that makes about 8 %.originality.Ensuring the methane extraction from the abandoned mines by drilling vertical wells from the surface is associated with solving the task of determining their location based on the calculation of the intersection of the most likely gas collectors.The model of forming voids and cracks filled with gas in the abandoned mines has been constructed on the basis of analyzing the regularities characterizing the process of rock movement in the course of stoping in conjunction with the changing parameters of the gas dynamics of coal seams.Practical value.The obtained results are the basis for developing a feasibility study for utilizing methane from the abandoned mines which will involve large resources of the new energy carrier in the fuel-and-energy balance of the region and improve the environmental situation by reducing methane emissions into the atmosphere.