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Studying a correlation between characteristics of rock and their conditions
(National Mining University, 2020-09-30)
Purpose is to determine dependences of velocities of elastic waves in isotropic rocks and anisotropic waves with orthotropic and transverse-isotropic symmetry upon pressure and depth to develop evaluation criteria and ...
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 ...
Experimental characteristics for deformation properties of backfill mass
(National Mining University, 2020-09-30)
Purpose. Determining the deformation properties of backfill mass used to preserve the continuity of the coal-rock stratum enclosing mine workings.
Methods. To achieve the purpose set, laboratory studies have been performed ...
Review of unconventional hydrocarbon resources: production technologies and opportunities for development
(National Mining University, 2020-12-30)
Purpose. Study the state of modern technologies for the extraction of unconventional hydrocarbon resources and determine the prospects for their development.
Methods. The method of qualitative and quantitative analysis ...
Underground monitoring as the best way of roadways support design validation in a long time period
(National Mining University, 2020-09-30)
Purpose. The aim of this paper is to show the importance of geotechnical monitoring in assessing stability of an underground excavation. Every mining excavation is designed on the basis of limited geotechnical data and ...
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 ...
Research into leaching of uranium from core samples in tubes using surfactants
(National Mining University, 2020-12-30)
Purpose. Improving the efficiency of borehole uranium recovery in difficult mining-and-geological conditions through the development of a new technology based on the intensification of geotechnological processes of in-situ ...
Choosing a camera for mine surveying of mining enterprise facilities using unmanned aerial vehicles
(National Mining University, 2020-12-30)
Purpose. Choosing an effective method for performing the mine surveying of the objects at mining enterprise based on the implementation of practical and analytical work. Particular attention is focused on the use of modern ...
Substantiating velocity of amber buoying to the surface of sludge-like rock mass
(National Mining University, 2020-12-30)
Purpose is to substantiate the parameters and factors in terms of which amber can be mined efficiently from sand deposits using hydromechanical method.
Methods. Laboratory studies and full-scale experiments of amber-bearing ...