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Procedia engineering, ISSN 1877-7058, 2011, Volume 26, pp. 1184 - 1193
In order to reduce roof-floor blind area of hydrofracture in underground mines, expand influenced range of fracturing, improve the effect of hydrofracture, a pressure relief and permeability increase... 
RFPA2D-Flow software | cross layer | pressure relief and permeability increase | directional hydraulic fracturing | Cross layer | Directional hydraulic fracturing | Pressure relief and permeability increase
Journal Article
Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, ISSN 1556-7036, 04/2020, Volume 42, Issue 8, pp. 1001 - 1013
.... Theory analysis, numerical simulation and field tests ware carried out to study the stress relief and permeability increase after adopting this technology... 
plastic damage | Gas drainage | hydraulic flushing cavitation | permeability | stress relief | ENGINEERING, CHEMICAL | PRESSURE | METHANE | DEEP | ENERGY & FUELS
Journal Article
Journal of petroleum science & engineering, ISSN 0920-4105, 2017, Volume 159, pp. 433 - 442
Journal Article
International journal of mining science and technology, ISSN 2095-2686, 2012, Volume 22, Issue 4, pp. 545 - 551
Difficulties with soft coal seams having a high gas content and high stress levels can be addressed by a technology of pressure relief and permeability increase... 
FLAC3D | 通透性 | 钻孔法 | 压力释放 | Slotting | Collaborative drilling | Double power | Pressure relief and permeability increase
Journal Article
Rock mechanics and rock engineering, ISSN 1434-453X, 2013, Volume 46, Issue 6, pp. 1377 - 1390
Journal Article
Arabian Journal of Geosciences, ISSN 1866-7511, 9/2015, Volume 8, Issue 9, pp. 6643 - 6654
Journal Article
Geotechnical and Geological Engineering, ISSN 0960-3182, 6/2019, Volume 37, Issue 3, pp. 1813 - 1827
Journal Article
Advanced powder technology : the international journal of the Society of Powder Technology, Japan, ISSN 0921-8831, 2019, Volume 30, Issue 5, pp. 940 - 951
[Display omitted] •The SDS can promotes the pressure relief and enlarge permeability effect of the acidified coal body... 
Acidified coal | Pore distribution | NMR | SDS | Porosity | MECHANIZED MINING FACE | PERMEABILITY | RESPIRABLE DUST | AGGLOMERATION | ENGINEERING, CHEMICAL | GAS-FLOW CHARACTERISTICS | DUST SUPPRESSION | MINE | SEAM | TECHNOLOGY | BLOCKING EFFECT WBE
Journal Article
International journal of mining science and technology, ISSN 2095-2686, 2012, Volume 22, Issue 4, pp. 533 - 538
Pressure relief to increase permeability significantly improves gas extraction efficiency from coal seams... 
燃气流量 | 低渗透煤层 | 瓦斯抽放 | FLAC3D | 泄压阀 | 应力变化 | 煤与瓦斯突出 | 瓦斯抽采 | Penetrate layer | Gas extraction | Permeability | Slotted | Pressure relief and permeability increase
Journal Article
Fuel (Guildford), ISSN 0016-2361, 02/2016, Volume 166, pp. 419 - 426
....•There is a maximum depressurization range to make MH dissociation rate increase.•Methane gas seepage makes liquid water distribution changes... 
Porous media | Natural gas hydrate | Methane gas recovery | Depressurization | TOMOGRAPHY | PERMEABILITY | ENERGY & FUELS | DECOMPOSITION | 5-SPOT WELL | THERMAL HUFF | IN-SITU OBSERVATION | ENGINEERING, CHEMICAL | DISSOCIATION | DEPOSITS | POROUS-MEDIA | SIMULATOR | Methane | Sediments (Geology) | Methane hydrate | Energy conservation | Natural gas | Hydrates
Journal Article
Energy science & engineering, ISSN 2050-0505, 2019, Volume 7, Issue 4, pp. 1352 - 1367
.... The results are shown that with the increase in axial strain, the coal permeability decreases slowly at first, then increases rapidly, and finally increases slowly or even remains unchanged... 
permeability model of coal | gas outburst control | gas predrainage | damage‐induced permeability | equivalent plastic strain | PRESSURE RELIEF | DRAINAGE | ENERGY & FUELS | damage-induced permeability | DEFORMATION | EVOLUTION | METHANE | COUPLING MODEL | ADSORBED GAS | MINE | MECHANICAL-BEHAVIOR | STRESS | Computer simulation | Boreholes | Plastic deformation | Permeability | Axial strain | Variables | Gases | Seams | Coal | Mathematical models | Coal mining | Damage | Natural gas
Journal Article
Journal of natural gas science and engineering, ISSN 1875-5100, 07/2016, Volume 33, pp. 44 - 55
Journal Article