Fractal characteristics of spontaneous combustion of gas-bearing coal under different temperature and adsorption pressure conditions [PDF]
The composite disaster of gas and coal spontaneous combustion in the goaf is increasingly becoming the main disaster pattern that restricts the safe production of mines.
Bo TAN +4 more
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Study on the stability evaluation method of fuzzy mathematical landslide improved by entropy weight method [PDF]
Landslide are one of the most common types of geological disasters in China, posing a serious threat to the safety of people's lives and properties due to their propensity and frequency.
Chen XUE +5 more
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Preliminary study on electric resistance of hydrate-bearing sediments [PDF]
, 2013 电阻法是探测水合物的一项有效技术手段。通过模拟试验,研究水合物沉积物电阻特性与水合物饱和度等因素的关系,对水合物勘探及储量估算具有重要的意义。通过试验室制样获得粉细砂和黏土骨架的含四氢呋喃(四氢呋喃)水合物土样并对其电阻进行研究。结果发现,当沉积物孔隙中不含液体且骨架的干密度小于一定值时,水合物沉积物的电阻随水合物质量含量的增加而减小,变化范围随干密度的增加而减小;当沉积物孔隙中水合物和液态四氢呋喃共存时,合成试样的四氢呋喃体积分数越大,孔隙中液态四氢呋喃越多,沉积物电阻也就越大 ...
任静雅, 张旭辉, 鲁晓兵
core
Study on pore structure and fractal characteristics of middle rank coal reservoir in Longtan Formation of Panguan syncline [PDF]
In order to study the pore structure characteristics of middle rank coal reservoirs, we qualitatively and quantitatively analyzed the pore structure characteristics of 15 middle rank coal samples from different coal seams in 8 parameter wells in the ...
Jun CHEN, Wei GAO, Yu LONG, Zhonghu WU
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Study on strength limit neighborhood range of gas-bearing coal rock under different loading conditions [PDF]
The occurrence mechanism of coal and gas outburst disasters is still unclear. According to the rheological hypothesis, gas-bearing coal and rock may enter the “strength limit neighborhood” under long-term load, and it is more likely to be destroyed by ...
Bo WANG +6 more
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The Impact of Different Clay Mineral Types on the Irreducible Water Saturation in Tight Sandstone Reservoirs: A Case Study of the Lower Shihezi Formation in Hangjinqi Area, Ordos Basin [PDF]
The type and content of clay minerals in tight sandstone reservoirs of the He-1 member in the Jin-30 well area of Hangjinqi in the northern margin of the Ordos Basin have a significant effect on irreducible water saturation.
Jialin ZHOU +6 more
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Resource utilization status and development trend of bulk solid waste of coal-based ash/slag [PDF]
In recent years, the rapid development of the coal industry has provided important energy security and raw material support for the national economy. At the same time, coal-fired power plants, industrial, civil boilers and other equipment produce large ...
Bo LYU +4 more
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Multiple fractal characterization of medium-high rank coal integrating mercury intrusion porosimetry, N2 and CO2 adsorption experiments [PDF]
Multifractal features of the pore structures of coal reservoirs control the transport and sustainable production of coalbed methane (CBM), which directly determines the efficiency of CBM extraction and is of great importance for CBM extraction.
Miao ZHANG +3 more
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Soil Preferential Flow Characteristics in Coal Mine Subsidence Area under Different Rainfall Duration [PDF]
[Objective] Research on the preferential flow characteristics triggered by cracks in coal mining subsidence areas can provide support for scientific and rational development of water resource management and ecological management practice in the mining ...
DAI Bin +4 more
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