Results 11 to 20 of about 5,830,351 (259)
Fire, 2022 Studies show that accurate division of spontaneous combustion (SC) zones in the goaf and the determination of the prediction system of the SC index are of great significance to prevent spontaneous and unwanted combustions in the goaf. Aiming at resolving
Jiamei Chai
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矿业科学学报, 2021 In order to master the fire-extinguishing efficiency of different concentrations of CO2 on the oxidized coal re-combustion, a self-developed coal spontaneous oxidation program temperature increasing experimental device was adopted to study the inhibitory
Guo Zhiguo +4 more
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Influence of fracturing scale of CBM vertical well on typical indexes of drainage and mining
Meikuang Anquan, 2021 Taking CBM wells in a block of Qinshui Basin as an example, through analyzing the typical drainage and mining index of CBM well, this paper studies the influence of fracturing scale on drainage and mining index, and probes into the mechanism of the ...
LI Quanzhong, NI Xiaoming, HU Haiyang
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Journal of Natural Gas Geoscience, 2023 Multi-layer commingled production is the main feature of gas well development in Sulige tight sandstone gas reservoir, Ordos Basin. Identifying potential interference between layers and devising methods for their characterization are crucial ...
Huaxun Liu +7 more
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Gong-kuang zidonghua, 2019 Most researches on coal spontaneous combustion characteristics under different oxygen concentration only consider different oxygen nitrogen ratio atmosphere, but low temperature oxidation law of coal under different methane atmospheres is seldom studied.
HAO Yu, YE Zhengliang
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Meikuang Anquan, 2020 To solve the sign problem of coal spontaneous combustion in the mining operation of 1308 working face in Guojiahe Coal Mine, the characteristic parameters of coal spontaneous combustion are analyzed by the on-site coal sampling experiment, CO and C2H4 ...
XING Lijie, LIU Fen, JIN Yan, SONG Yushan, GUO Jun
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Gong-kuang zidonghua, 2018 In view of problem of natural fire on 1078 working face of Qingdong Coal Mine, through a combination of laboratory research and on—site testing, the main and auxiliary indicators of spontaneous combustion index gases were optimized: CO and C2H4 can be ...
SUN Liutao, DUAN Yujian, HUANG Junze
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Gong-kuang zidonghua, 2019 In view of goaf spontaneous combustion prevention of 12401 fully mechanized working face with large mining height in Shangwan Coal Mine, CO is determined as prediction index gas of coal spontaneous combustion and C2H4 is used as auxiliary index gas to ...
QU Shijia +3 more
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Influence of pore structure of coal on sensitivity of drillings gas desorption index
Meikuang Anquan, 2023 In order to study the influence of low gas content and high gas pressure of the occurrence of the lower 5# coal seam of Yushuling Coal Mine in Xinjiang on the sensitivity of coal seam drillings gas desorption index, this paper adopted a constant ...
WANG Haidong, GAO Jiahui, CHEN Xuexi, LIANG Zhongqiu, GUAN Yongming, ZHEN Kangzhe
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Sensitivity Analysis and Prediction of Gas Reservoirs Performance Supported by an Aquifer Based using Box-Behnken Design and Simulation Studies [PDF]
Journal of Chemical and Petroleum Engineering, 2020 Prediction of gas reservoir performance in some industrial cases requires costly and time-consuming simulation runs and a strong CPU must be involved in the simulation procedure.
Amir Hossein Saeedi Dehaghani +1 more
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