- 21. Impact of water saturation effect on sedimentary rocks strength properties
- (Contens №4 2020)
- ... Behaviour of Low-Permeability Reservoir Rocks. Energies, 10, 236. https://doi.org/10.3390/en10020236. 7. Cai, X., Zhou, Z., Liu, K., Du, X., & Zang, H. (2019). Water-Weakening Effects on the Mechanical ...
- Created on 30 August 2020
- 22. Heating rate of granular inorganic materials by microwave radiation
- (Contens №2 2020)
- ... Naukovyi Visnyk Natsionalnoho Hirnychoho Universytetu. 2020, (2): 37-41 https://doi.org/10.33271/nvngu/2020-2/037 повний текст / full article Abstract: Purpose. Determining heating rate of granular materials of inorganic origin used for manufacturing foundry molds and rods in the field of ultra-high frequency radiation, dependence of the heating rate of materials on the magnitude of their relative dielectric permeability, as well as establishing the influence of the chemical composition and structure of inorganic materials on their relative dielectric permeability. ...
- Created on 10 May 2020
- 23. The influence of the moisture on the physical and mechanical properties of the sandstone (Separate Unit “Kapitalna” coal mine”, Donbas)
- (Contens №2 2020)
- ... References. 1. Mikhailov, N., & Popov, S. (2015). Experimental and theoretical study of influence of mechanochemical effects on porosity, permeability, elastic and strength properties of reservoir rocks. Georesources. Geoenergetics. Geopolitics, 1-26. ...
- Created on 10 May 2020
- 24. Influence of local orogeny and reservoir characteristics of enclosing rocks on the location of gas traps within the coal bearing deposits
- (Geology)
- ... methane conservation. In the context of Pavlohrad-Petropavlivka district, significant permeability of argillite and aleurites results in the fact that they cannot be a shield for folds; it concerns especially ...
- Created on 26 October 2019
- 25. Substantiation into “rock massive – underground gasifier” system adaptability of Solenovskyi site in the Donetsk coal basin
- (Mining)
- ... of rock behavior in underground coal gasification show negligible impact of temperature-dependent parameters on permeability changes. Energies, 8(6), pp. 5800–5827. DOI:10.3390/en8065800. 12. Dubiński, ...
- Created on 03 July 2018
- 26. Assessing the prospects of carboniferous rocks of the southeastern part of the Dnieper-Donets basin on gas deposits of unconventional type
- (Geology)
- ... be favorable for localization of unconventional gas. References / Список літератури 1. Lukin, A.E., 2011. On the nature and prospects of low-permeability gas-bearing rocks of the sedimentary ...
- Created on 16 March 2017
- 27. Step-by-step procedure of estimation of the parameters of an undermined coal-rock massif as a gas collector
- (Mining)
- ... reservoir which prevents the outflow (inflow) of methane is dedicated to that part of the massif which is characterized by the lowest values of permeability. And it has a clear quantitative description. ...
- Created on 14 January 2015
- 28. On the issue of simultaneous gasification of contiguous low-coal seams
- (Mining)
- ... при подземной газификации угля / В.В. Тишков // Науковий вісник НГУ. – 2012. – №1. – С. 23–27. Tishkov, V.V. (2012), “Features of formation of technogenic permeability in roof of coal layer during ...
- Created on 14 January 2015
- 29. Stages of lithogenesis and rock compression behavior
- (Geology)
- ... lithogenesis in the basins of Ukraine and Russia have been studied. We have analyzed the results of study of porosity, permeability, and types of cement in different conditions. The tests were executed ...
- Created on 11 May 2014
- 30. Estimation of spatial and collector parameters of a technogenic gas deposit by geomechanical descriptions of enclosing rock
- (Mining)
- ... massif. Methodology. Authors have determined the rock-mechanical state and permeability of rock in the undermined coal-bearing massif under triaxial loading by means of numerical methods on the base ...
- Created on 21 March 2014
- 31. Research of the dynamic characteristics of the device for hydro pulse action on coal layer
- (Mining)
- ... of hydro loosening and degassing of an outburst-prone coal layer having occurrence depth up to 1000 m in the areas with low hydraulic permeability. References: 1. СОУ 10.1.00174088.011-2005. ...
- Created on 17 October 2013
- 32. Calculation of filtration parameters of the gas-bearing coal rock massif
- (Solid-state physics, mineral processing)
- ... the rapid-calculation technique for natural filtration parameters of the coal-bearing rock massif, such as gas permeability, filtration rate and gas filtration time in closed well. Methodology. The ...
- Created on 10 July 2013
- 33. Energy approach to analysys of the fluid pulse injection into a coal bed
- (Mining)
- ... cavitation generator application in the flowchart of hydro loosening have shown that the device provides the effective hydro loosening and degassing of outburst-prone coal layers with low hydraulic permeability ...
- Created on 10 July 2013
- 34. Pressure of fluids and estimation of integral permeability change within the undermining coal rock massive
- (Geology)
- ... of water level in an access borehole. It was set that permeability, in undermining massive increases and can arrive at 300 – 400 10-15 m2. ...
- Created on 25 December 2012
- 35. Influence of technogenic factor on physical properties of sandstone
- (Mining)
- ... cracks formation promotes forming of sandstones permeability corresponding to the III class collectors. ...
- Created on 25 December 2012
- 36. Research of influence of borehole length when use a drill and fire system of driving on behavior of gas-dynamic processes in the coalface of working
- (Mining)
- ... by drill and fire system, is executed. Initiation of coal and methane outburst process in cases of various length of blastholes is observed. Change of distribution of permeability coefficient ahead of ...
- Created on 21 December 2012
- 37. Research of influence of the stress-strain state of enclosing strata on their filtration properties during underground gasification of coal beds in the conditions of Dniper Basin
- (Mining)
- ... in-citu coal gasification is proved. The dependence of broken structure sand permeability on value of the volume deformation is determined by results of laboratory researches of filtration properties in ...
- Created on 21 December 2012
- 38. Analisys of dust respirators exhalation valves construction
- (Environmental safety, labour protection)
- ... undermask space. Structural features of the exhalation valve have been investigated by standardized method tests and identified key parameters and impermeability. Analysis of the effect of temperature ...
- Created on 21 November 2012
- 39. Research of adaptation processes of the system ‘rock and coal massif – underground gasgenerator’ on test bench installation
- (Mining)
- ... The modes of gas draught and discharge taking into account permeability of gas generator are tested. References: 1. Колоколов О.В. Теория и практика термохимической технологии добычи и переработки ...
- Created on 20 November 2012
- 40. Features of formation of technogenic permeability in roof of coal layer during underground gasification of coal
- (Mining)
- ... in the permeability of the enclosing strata. The objective of the researches was to establish the filtration properties of the sandy soils dependence on level of strains in different zones affected by ...
- Created on 16 November 2012