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低渗透煤层 (5) 5
mining engineering. metallurgy (2) 2
瓦斯抽采 (2) 2
applied earth sciences (1) 1
crack growth (1) 1
deep-hole presplitting explosion (1) 1
dyna3d (1) 1
earth sciences (1) 1
fatigue damage (1) 1
flac3d (1) 1
gas drainage (1) 1
gas extraction (1) 1
geochemistry (1) 1
geology (1) 1
geophysics/geodesy (1) 1
high gassy and low permeability coal seam (1) 1
mechanical engineering (1) 1
otorhinolaryngologic diseases (1) 1
penetrate layer (1) 1
permeability (1) 1
permeability improvement (1) 1
pressure relief and permeability increase (1) 1
pulsating hydraulic fracturing (1) 1
slotted (1) 1
stress wave (1) 1
urogenital system (1) 1
低渗透性 (1) 1
割缝 (1) 1
含水率 (1) 1
启动压力梯度 (1) 1
增透 (1) 1
天然气开采 (1) 1
实验分析 (1) 1
应力变化 (1) 1
数值模拟 (1) 1
水力压裂技术 (1) 1
水力压裂裂缝 (1) 1
泄压阀 (1) 1
深孔 (1) 1
渗流实验 (1) 1
渗流率 (1) 1
煤与瓦斯突出 (1) 1
煤层气含量 (1) 1
燃气流量 (1) 1
瓦斯抽放 (1) 1
瓦斯抽放技术 (1) 1
瓦斯爆炸 (1) 1
脉动压力 (1) 1
通透性 (1) 1
高压水射流 (1) 1
高瓦斯 (1) 1
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鸡西大学学报:综合版, ISSN 1672-6758, 2010, Volume 10, Issue 4, pp. 46 - 46
通过低渗透煤层气体在不同含水率时的渗流实验,可以看出含水率对气体在低渗透煤层中的渗流影响明显。随着含水率的增加,渗透率呈下降趋势,含水率越高,降低趋势越大;随着含水率的增加,气体流量降低,气体渗流阻力越大;含水率越高,启动压力梯度越大,气体滑脱效应越弱。 
低渗透煤层 | 含水率 | 渗流率 | 渗流实验 | 启动压力梯度
Journal Article
科技创新导报, ISSN 1674-098X, 2016, Volume 13, Issue 30, pp. 32 - 34
Journal Article
矿业科学技术学报:英文版, ISSN 2095-2686, 2015, Volume 25, Issue 4, pp. 681 - 685
Based on the difficult situation of gas drainage in a single coal bed of high gas content and low perme- ability, we investigate the technology of pulsating... 
水力压裂裂缝 | 低渗透煤层 | 脉动压力 | 低渗透性 | 水力压裂技术 | 煤层气含量 | 天然气开采 | 瓦斯抽放技术 | Pulsating hydraulic fracturing | Gas drainage | Permeability improvement | Fatigue damage
Journal Article
矿业科学技术学报:英文版, ISSN 2095-2686, 2012, Volume 22, Issue 4, pp. 533 - 538
Pressure relief to increase permeability significantly improves gas extraction efficiency from coal seams. In this paper we report results from simulations... 
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
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... 
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
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