The Results of the Implementation of a Set of Measures for Ensuring the Microclimatic Parameters of the Mine Atmosphere at the Facilities of Yareganeft Oil Mine Production Enterprise LLC LUKOIL-Komi


The Yarega field is currently the only one in Russia where oil production is carried out by the thermal mining method. The deposit was discovered in 1932, and it is located in the southern part of the Timan-Pechora province, in the Ukhta district of the Komi Republic. The oil of the Yarega field has a high viscosity, and in order to ensure its production, the oil-bearing formation is thermally affected by steam supply through steam-falling (injection) wells into the rock mass. Depending on the development system used, steam injection can be carried out both through surface vertical wells and through underground hollow ascending wells. A combination of these methods is also possible. The heated oil-containing liquid from the producing wells located in the underground mining galleries of the mine is delivered to the surface using the existing collection and transportation system.

The uniqueness of the technology of thermal mining production of heavy oil creates additional difficulties in the development of various technical solutions due to the lack of experience in operating such objects in Russia. This oil extraction technology is accompanied by an increase in the temperature and humidity of the mine atmosphere in mine workings, due to the presence of heat sources and areas where steam enters the mine working.

Despite the applied technical solutions (increasing ventilation performance, cooling the air by spraying cold water, erecting additional concrete fasteners), there is a possibility of the microclimatic parameters of the air in the mine workings going beyond the established limits. In order to normalize the parameters of the mine atmosphere, a whole complex of technical and organized measures is being implemented, including thermal insulation of heat sources using modern materials. The article discusses various technologies for the use of thermal insulation coatings, analyzes their efficiency and offers solutions for choosing the optimal ways to reduce the temperature and humidity of air in the mine workings.

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DOI: 10.24000/0409-2961-2022-10-66-72
Year: 2022
Issue num: October
Keywords : temperature conditions thermal mining massif heating steam breakthrough thermal isolation of sources closed oil gathering system air cooling