The article compares the technologically recoverable reserves of shale gas as an unconventional resource of hydrocarbon raw materials in various countries of the world. An assessment is made of the use of horizontal well drilling in combination with hydraulic fracturing of the formation during shale gas production, characterized by the level of technology that allows the most efficient extraction of this resource in the US, Canada, China and Argentina. The article outlines perspectives for the development of shale gas in the near and distant future and shows the obstacles to the development of the oil shale industry in some countries. The basic geo-ecological problems in the development of shale gas: the contamination of surface water and soil, groundwater pollution, gas emissions, seismic risks. The ways of solving these problems are primarily through the use of new field development technologies, the implementation of integrated monitoring safety equipment, taking into account local and regional conditions and the condition of the geological environment.
Purpose. Assess the influence of technogenic transformations of the geological environment in the extraction of minerals on the seismic activity of the earth's crust in mining regions, taking into account the technogenic impact on the natural environment of geodynamic processes in the upper layers of the lithosphere, where active production of oil and gas is being carried out on the basis of automated systems and new generation technical equipment, developed by experts from leading scientific centers of the world. Research methodology. Field and experimental studies, transformations of the physicochemical characteristics of groundwater, changes in the collecting properties of operational blocks and layers of sedimentary, igneous and metamorphic rocks using standard and new methods were used. Results. It is established that monitoring seismic events in the network of seismic stations when selecting technological modes of production, planning the construction and operation of engineering structures, reducing the likelihood of emergency situations and informing the public about seismic activity in the region and will allow to take seismicity into account. Scientific novelty. Data of geological development, its structure and tectonic regime within the Ural region are systematized taking into account the types and degree of man-made loads on geological structures, injection of adjacent water layers and toxic industrial wastewater into deeply absorbing layers of carbonate rocks. The possibility of assessing further changes in the geological environment within the region under study is proved based on the current state of technogenic and geodynamic interaction. Practical value. The introduction of seismic monitoring in the oil and gas industry and the mining industry allows real-time study and analysis of the degree of change in the stress-strain state of the geological environment of the region. Key words: deposits, oil, gas, ore, geological environment, technogenic load, mining regions, seismic monitoring.
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