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Improving the technology of uranium mining under the conditions of high groundwater pressure
(National Mining University, 2020-09-30)
Purpose. Substantiation of technological solutions for uranium mining by the method of In-Situ Leach Mining (ISL) under the conditions of the high groundwater pressure.
Methods. Analysis of mining-and-geological conditions ...
Design of bottom hole assemblies with two rock cutting tools for drilling wells of large diameter
(National Mining University, 2020-09-30)
Purpose. A methodology development for calculating the bottom hole assemblies (BHA) with two rock cutting tools for drilling the wells of large-diameter with an ability to manage the trajectory.
Methods. A mathematical ...
Elaborating a scheme for mine methane capturing while developing coal gas seams
(National Mining University, 2020-09-30)
Purpose is to substantiate and develop an efficient scheme of coalmine methane capture while preparing and developing gassy coal seams.
Methods. Critical analysis of literature sources has been carried out; practice of ...
Substantiation of the methodology for modeling and calculating the optimal operating modes of a tandem pumping installation when mining uranium
(National Mining University, 2020-12-30)
Purpose. The purpose of the research is to develop a mathematical model of the jet pump (JP) working process and a calculation methodology for modeling, as well as to determine the optimal operating modes of a combined ...