- 21. 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
- 22. 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
- 23. 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
- 24. 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
- 25. 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
- 26. 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
- 27. 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
- 28. 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
- 29. 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
- 30. 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
- 31. 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
- 32. 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
- 33. 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
- 34. 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
- 35. 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
- 36. Estimation of fractured rock permeability around excavations from the viewpoint of rock mechanics
- (Mining)
- ... Dnipropetrovsk, Ukraine Abstract: Purpose. To estimate changes in the fractured rocks permeability caused by the disturbances in the stress-strain state of rocks appeared during driving of ...
- Created on 15 November 2012
- 37. Estimation of promising areas with the aim of methane accumulations exploration (on the example of mine “Butovska”)
- (Geology)
- ... mean value of the ratio of open porosity calculation of crack porosity, absolute gas permeability, the ratio of effective porosity and minimum relative gas saturation was carried out. In local anticline ...
- Created on 15 November 2012
- 38. Geofiltration regularities in the areas loaded by gravitation in tailings and waste rock dumps
- (Geology)
- ... on geomechanical conditions of the territory affected by mining industry has been determined. Originality. The effect of changes in the stressed state of the gravitationally loaded rock and its permeability ...
- Created on 12 November 2012
- 39. Modeling of changes in caprock during CO2 underground geological storage
- (Solid-state physics, mineral processing)
- ... dissolution patterns: Permeability change due to coupled flow and reaction. In Chemical Modeling in Aqueous Systems II (ed. D.C. Melchior and R.L. Bassett), ACS Symp. Ser. no.416, 212–225. ...
- Created on 08 November 2012