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coal (14) 14
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煤炭学报:英文版, ISSN 1006-9097, 2009, Volume 15, Issue 2, pp. 175 - 180
Created a new damage model for explosive for LS-DYNA3D, taking advantage of the Taylor method aimed at the high gassy and low permeability coal seam, and numerically simulated and analyzed the deep... 
高瓦斯 | 瓦斯爆炸 | 低渗透煤层 | 数值模拟 | 实验分析 | 通透性 | DYNA3D | 深孔 | Applied Earth Sciences | Earth Sciences | Geology | High gassy and low permeability coal seam | crack growth | Geochemistry | Geophysics/Geodesy | Mechanical Engineering | deep-hole presplitting explosion | stress wave | Stress wave | Deep-hole presplitting explosion | Crack growth
Journal Article
Meitan Xuebao/Journal of the China Coal Society, ISSN 0253-9993, 08/2011, Volume 36, Issue 8, pp. 1296 - 1301
Journal Article
Liaoning Gongcheng Jishu Daxue Xuebao (Ziran Kexue Ban)/Journal of Liaoning Technical University (Natural Science Edition), ISSN 1008-0562, 2009, Volume 28, Issue 4, pp. 513 - 516
Journal Article
Procedia Engineering, ISSN 1877-7058, 2011, Volume 26, pp. 524 - 530
.... The combined suction way by long and large diameter roof fissure borehole group and high-position borehole group is brought forward and the scientific exploitation technology system for coal-and-gas... 
CFD simulation | long and large diameter boreholes group | high gassy coal seam group | scientific exploitation | High gassy coal seam group | Scientific exploitation | Long and large diameter boreholes group
Journal Article
Archives of Mining Sciences, ISSN 0860-7001, 09/2016, Volume 61, Issue 3, pp. 601 - 615
The occurence of hanging roof commonly arises in the face end of longwall coal mining under hard roof conditions... 
hydraulic fracturing | longwall mining face | hanging roof | hard roof | high gassy | MINING & MINERAL PROCESSING
Journal Article
by Fang, XQ and Wu, G
DISASTER ADVANCES, ISSN 0974-262X, 11/2013, Volume 6, pp. 200 - 207
For the simultaneous extraction of coal and gas in complicated coal seams under low permeability and high gas conditions, a technique system was developed through analysis of the manless working face... 
protective layer | GEOSCIENCES, MULTIDISCIPLINARY | manless working face | BEHAVIOR | coal seams | WATER RESOURCES | simultaneous extraction of coal and gas | PARAMETERS | METEOROLOGY & ATMOSPHERIC SCIENCES | High gassy
Journal Article
Energies, ISSN 1996-1073, 10/2018, Volume 11, Issue 10, p. 2647
Journal Article
Arabian Journal of Geosciences, ISSN 1866-7511, 11/2019, Volume 12, Issue 21, pp. 1 - 8
Coal and gas outbursts are related to the pore structure of coal, in order to study the pore characteristics of high-temperature coal mine and the impact of invasive water on its development... 
Gas migration | Earth Sciences | Earth Sciences, general | High-temperature coal mine | Invasive water | Pore characteristics | POROSITY | GEOSCIENCES, MULTIDISCIPLINARY | PERMEABILITY | GAS-FLOW | SEAM | DEFORMATION | Water | Water treatment | Intrusion | Temperature | Gaseous diffusion | Carbon dioxide | High temperature | Permeability | Water baths | Area | Coal mines | Volume | Temperature effects | Samples | Coal | Outbursts | Porosity | Coal mining | Surface area | Mercury | Mercury (metal)
Journal Article
Journal of natural gas science and engineering, ISSN 1875-5100, 2015, Volume 24, pp. 449 - 456
While pre-draining the coalbed methane from the high gassy coal seams would significantly reduce the hazard in the stage of coal mining, gas recovery from coal seams of low permeability and strong... 
Methane drainage | High-temperature N2 injection | Heat transfer model | Thermal diffusion radius | ENGINEERING, CHEMICAL | High-temperature N-2 injection | PERMEABILITY | EMISSIONS | ENERGY & FUELS | COAL
Journal Article
Energy science & engineering, ISSN 2050-0505, 2018, Volume 6, Issue 6, pp. 739 - 748
.... However, the low strength of the outburst‐proven coal limits the borehole sealing performance and borehole space maintaining, and thus influences the drainage performance of in‐seam boreholes... 
borehole sealing | field verification | gas drainage | coal mine methane | in‐seam borehole | in-seam borehole | FRACTURE | GAS-DYNAMICS | ROCK | SEAMS | ENERGY & FUELS | MODEL | DEFORMATION | Deformation | Roads | Boreholes | Feasibility studies | Theoretical analysis | Shrinkage | Creep (materials) | Sealing | High density polyethylenes | Drainage | Underground mines | Degassing | Fractures | Coal mines | Failure analysis | Coal | Field tests | Methane drainage | Tubes | Hazard mitigation | Coal mining | Plastics | Dilatancy
Journal Article
by Ge, ZL and Deng, K and Lu, YY and Cheng, L and Zuo, SJ and Tian, XD
ENERGIES, ISSN 1996-1073, 09/2016, Volume 9, Issue 9, pp. 698 - 698
.... To solve these problems, a novel method that uses a self-propelled water-jet nozzle to dredge blocked boreholes in coal seams has been proposed on the basis of the existing technology... 
coal bed methane (CBM) | WATER-JET | SEAMS | ENERGY & FUELS | blocked boreholes | high-pressure water jet | self-propelled nozzle | Drainage | Coal mines | Coal | Boreholes | Methane drainage | Nozzles | Extraction | Blockage
Journal Article
Arabian journal of geosciences, ISSN 1866-7538, 2019, Volume 12, Issue 18, pp. 1 - 14
.... The profiles of the gas migration channels were mathematically modeled based on the theory of elliptical zone of mining-induced fissure, using the dip angle of coal seams of working face as the key parameter... 
Gas migration channels | Earth Sciences | Angle of coal seams | Earth Sciences, general | Mining working face | High-level boreholes | Mining-induced overlying strata fissure | PRESSURE | GEOSCIENCES, MULTIDISCIPLINARY | ROCK | EVOLUTION | LAW | STRATA | SIZE DISTRIBUTION | Coal industry | Mineral industry | Mining industry | Analysis | Fractal geometry | Computer simulation | Segregation | Boreholes | Strata | Dimensions | Pressure | Channels | Inclination | Mining | Respiratory tract | Coal mines | Seams | Coal | Profiles | Evolution | Height | Coal mining
Journal Article
Environmental Earth Sciences, ISSN 1866-6280, 2/2018, Volume 77, Issue 4, pp. 1 - 16
Journal Article
Advances in materials science and engineering, ISSN 1687-8442, 2018, Volume 2018, pp. 1 - 10
.... A phenomenon of water-inhibiting gas flow existed. This study is focused on various water pressures impacted on gas-adsorbed coal samples, and then the desorption capacity could be revealed under different conditions... 
GAS-RESERVOIRS | RECOVERY | STIMULATION | MATERIALS SCIENCE, MULTIDISCIPLINARY | WATER | Methane | Water pressure | Gas absorption | Water flooding | Transport phenomena | Hydraulics | Feasibility studies | Desorption | Permeability | Experiments | Equilibrium | Water injection | Heat | Researchers | Adsorption | Enhanced oil recovery | Gas flow | Moisture content | Reservoirs | Coal mining | Coalbed methane
Journal Article
Procedia Engineering, ISSN 1877-7058, 2012, Volume 45, pp. 305 - 310
..., and No.1111 Fully Mechanized Coal Mining working face of Zhangji mine was taken as the field for simulating methane flow by Matlab software to gain high-position ideal drainage parameters... 
flow equation | high-position hole | forecast model | numerical simulation | optimized parameters | Optimized parameters | Numerical simulation | Forecast model | Flow equation | High-position hole
Journal Article
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