Перегляд Volume 13, Issue 2 по назві
Зараз показуються 9-14 з 14
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Resonance in rock mass as the key reason of geodynamic phenomena
(National Mining University, 2019-06-30)Purpose is to develop deformation criterion or predecessors of geodynamic phenomena within rock mass relying upon the systemized experimental data concerning rock behaviour in a volumetric field of compressive stress. Methods. ... -
Statutory and regulatory requirements in the process of mineral mining in Ukraine. Review and analysis
(National Mining University, 2019-06-30)Purpose. Compliance of statutory and regulatory requirements as for mineral mining, made while subsurface using, mines inspectorating, bringing to responsibility, and creating prerequisites for providing legal guarantees ... -
Study of numerical simulation method modelling gas injection into fractured reservoirs
(National Mining University, 2019-06-30)Purpose. Fractures are the main flow channels in fractured reservoirs. The rapid flow characteristics of gas are outstanding in fractures. It is a major technical problem in the current oilfield development to calculate ... -
The influence of rigidity of the collapsed roof rocks in the mined-out space on the state of the preparatory mine workings
(National Mining University, 2019-06-30)Purpose. The substantiation of accounting the deformation-strength characteristics of the collapsed rocks and the rocks consolidating near the reusable preparatory mine working of the mined-out space to optimize the loading ... -
Transportation of concentration and leaching tailings in underground mining of metal deposits
(National Mining University, 2019-06-30)Purpose. The article aims to substantiate efficient parameters of resource-saving technological processes ensuring optimal environmental and economic indices of concrete mixtures transportation under the force mode and ... -
Use of thermal and magnetic devices for prevention of asphaltene, resin, and wax deposits on oil equipment surfaces
(National Mining University, 2019-06-30)Purpose. To substantiate the advantages of using a multi-level externally insulated complex of magneto-thermal dewaxing which is located in the oil well and improves production of the formation fluid with high content of ...