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Information × Registration Number 0219U101098, 0117U004781 , R & D reports Title Providing scientific and technical assistance for the hydrodynamic impact to prevent sudden coal and gas before the opening of coal seams crosscuts popup.stage_title Head Sofiys'kiy Kostiantyn K., Доктор технічних наук Registration Date 10-05-2019 Organization Institute of Geotechnical Mechanics named by N. Poljakov of National Academy of Sciences of Ukraine popup.description2  The object of research is the process occurring in an intense gas-saturated coal-rock massif under hydrodynamic impact (HDI) on it through a well drilled from the bottom of an intermediate crosscut through soil rocks or roof to a coal seam. The purpose of the work is to adjust the parameters of the HDI method through one underground well to coal seams that are prone to HDP, before opening them in the conditions of the SP “Tsentralna Mine” of the SE “Toretskvugillya”. The subject of research - the parameters of the method HDI on a stressful gas-saturated coal seam before its opening. Research methods - analytical, mining experimental studies. An industrial check of the HDI method on the m2- “Tоnkyi” and m3- “Tolstyi” coal seams, prone to HDI, was carried out before opening them through a single technological well under the conditions of the SP “Tsentralna” mine ”SE“ Toretskvugillya”. It was established that HDI through one well with a diameter of 100 mm, drilled through the rock plug of soil layers with a capacity of more than 5 m along the normal of the bottomhole revealing output section in the penetration of up to 12.3 m2 on the coal seam or in the roof with a rock plug less than 5.0 m , in the amount of 12-40 cycles and extraction of at least 2% of coal from the treatment area, causes the coal seam to become non-hazardous at a site with a radius of 6.6-17.2 m. Opening of coal seams m3- “Tolstyi” and m2- “Tonkyi” of section No. 41-1146 m with intermediate trenches No. 21, No. 22 and No. 23, as well as the m2- “Tonkyi” layer on panel No. 24 are made without signs of gas-dynamic phenomena. Performed studies allow to adjust the parameters of HDI on coal seam, which will reduce the cost of performing the treatment of the reservoir, improve the conditions and safety of work of miners. GAS DYNAMIC PHENOMENA, HYDRODYNAMIC IMPACT, KORSHLAG, MEDIATORAL CONCENTRATION, TECHNOLOGICAL WELL. Product Description popup.authors Ahaiev Ruslan A. Vlasenko Vasyl V. Dudlia Kateryna Ye. Petukh Oleksandr P. Prytula Dmytro O. Sheiko Anatolii V. popup.nrat_date 2020-04-02 Close