To effectively prevent and control coal and gas outburst, we analyzed the type, intensity, location and precursors of coal and gas outburst occurring in the No. B-1 Coalbed. Moreover, the effects of geological conditions (burial depth, faults, folds, coalbed thickness and dip) and mining ...
Coalbed gas content measurements are commonly used in mine safety as well as coalbed methane resource assessment and recovery applications. Gas content det... WP Diamond,SJ Schatzel - 《International Journal of Coal Geology》 被引量: 223发表: 1998年 Study on Technology of Preventing Coal and Gas...
Since the adsorbed gas plays a significant role in coal seams of high gas pressure and content, the adsorption properties of methane in coal are always the topic for researchers to explore techniques to prevent coal and gas outburst hazards, improve coal seam degasification, and enhance coalbed ...
Based on the change laws of the above three aspects, the influences of domebasin structure on coal and gas outburst was also further analyzed. The results show that the dome-basin structure can be divided into three parts: dome structure, basin structure, and saddle structure. In the saddle ...
adevelopment is only limited to non-outburst coal seams. Therefore, the basic way to ensure coal mine safety-efficient production and large CBM industrialization is coal and coalbed methane coordinated mining.In this paper, the basic content of coal and coalbed methane coordinated mining will be in...
athe coal seam. The coalbed methane in this reservoir[translate] awells that tapped reservoirs in sandstones[translate] a他扬言如果得不到加薪,他就要辞职 He threatened if cannot obtain raises in salary, he wants to resign[translate] aGotta stop this now[translate] ...
On this basis, we should further promote the development of coalbed methane industrialization, and study and solve the mechanism of coalbed methane development. And timely introduce preferential tax relief for high gas and coal and gas outburst mines. ...
To resolve the outstanding coalbed gas problem boring roadways 翻译结果5复制译文编辑译文朗读译文返回顶部 In order to solve the prominent coal bed tunneling working surface gas difficult problem 相关内容 aso we came back and offered them a 如此我们回来了并且提供了他们a[translate] ...
aCombined mining is suitable for mines with several 联合的采矿为矿是适当的与数[translate] aseams. When mining this kind of coal seam, gas not 缝。 当开采这种煤层时,供气没有[translate] ahave low gas outburst risk and forming a protective 有低气体爆发风险和形成防护[translate]...
identification ofthespecificsetoffactorsattributedtothecoaland gasoutburstisbelievedtobethefollowing(Beamish andCrosdale.1998). f11Internalstressofthecoalseam.Thestressmay beduetotwodifferentsources:first.thedepthofbur— ia1.becausethethicknessofoverburdenandthemag— nitudeoftheverticalstressexertedonthecoalbed...