Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Benqing YUAN"'
Autor:
Xiangxi KONG, Yongzhi TANG, Ping LI, Chuanbing WANG, Jian CHEN, Yanqing LI, Benqing YUAN, Benliang CHEN, Min YE
Publikováno v:
Meitan kexue jishu, Vol 50, Iss 12, Pp 26-35 (2022)
In order to solve the problems that restrict the efficient development of coalbed methane resources under the conditions of soft and low permeability outburst coal seams in Huainan Mining Area, such as complex coal seam structure, multi-source gas em
Externí odkaz:
https://doaj.org/article/0206202e6fbf42c5bf38a1ff25bf71a4
Publikováno v:
Shock and Vibration, Vol 2022 (2022)
Combined with specific engineering examples, the spatial disturbance influence characteristics and laws of the surrounding rock stress in the staggered roadways are analyzed by numerical simulation. This paper concludes that (1) compared with the sur
Externí odkaz:
https://doaj.org/article/c7ae68e7f7164f9ab7676da432744bce
Publikováno v:
Geofluids, Vol 2022 (2022)
To solve the high-stress hazard faced in the process of deep mining process, the pressure relief characteristics of gas bearing coal and the deformation characteristics of surrounding rock in deep roadway are studied by means of laboratory test, simi
Externí odkaz:
https://doaj.org/article/3f15e4c1951142a48536b7ab493c579b
Publikováno v:
Geofluids, Vol 2022 (2022)
A pressure relief and permeability enhancement method through short-distance floor roadway was proposed to solve the difficult outburst prevention during the gas extraction at the coal roadway strips in deep outburst coal seams with high ground stres
Externí odkaz:
https://doaj.org/article/5cb4bf4f85b34a76b51d317366e19c6e
Publikováno v:
Shock and Vibration, Vol 2021 (2021)
Conventional hydraulic fracturing has several disadvantages, including a short effective extraction time and low fracture conductivity during long-term extraction. Aiming at overcoming these shortcomings, a similar simulation test of repeated hydraul
Externí odkaz:
https://doaj.org/article/68ed6b4c14584840bdf623e9cf1ddf56
Autor:
Qihan Ren, Benqing Yuan
Publikováno v:
IOP Conference Series: Earth and Environmental Science. 859:012026
Based on the gas geological conditions of 17102(3) working face in Pansan Coal Mine, using theoretical analysis, engineering practice and other methods, the hydraulic fracturing sand permeability technology and technology are studied. Through the com
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a60cbb48ec466212c2a12b4e503c21b
https://doi.org/10.1088/1755-1315/859/1/012026
https://doi.org/10.1088/1755-1315/859/1/012026
Autor:
Benqing Yuan
Publikováno v:
IOP Conference Series: Earth and Environmental Science. 558:022081
In view of the occurrence conditions of coal seam groups in most mining areas in China, the protective layer mining mode is mainly adopted to carry out gas treatment in regional coal seam. In this paper, based on the pressure relief mining of the pro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::80a19d02fe1a868a218bec4f96d30b19
https://doi.org/10.1088/1755-1315/558/2/022081
https://doi.org/10.1088/1755-1315/558/2/022081
Autor:
Benqing Yuan
Publikováno v:
Journal of Physics: Conference Series. 1549:042031
At present, the prediction method of gas emission in coal mining face has low precision, based on grey system theory system, grey GM (1, 1) gas emission prediction model is constructed, the real-time, dynamic and non-linear prediction of gas emission
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5830818b9ac2a356da29a5f4995f264e
https://doi.org/10.1088/1742-6596/1549/4/042031
https://doi.org/10.1088/1742-6596/1549/4/042031
Autor:
Benqing Yuan, Zunyu Xu
Publikováno v:
IOP Conference Series: Earth and Environmental Science. 514:022038
In view of the current monitoring and effect investigation of coal seam fire prevention measures and technologies, it has the characteristics of numerous on-site observation points, large data volume, poor effectiveness and low efficiency, which brin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eec6bfded05a1fd220b8fcdfb3ce30c2
https://doi.org/10.1088/1755-1315/514/2/022038
https://doi.org/10.1088/1755-1315/514/2/022038
Autor:
Zunyu Xu, Benqing Yuan
Publikováno v:
IOP Conference Series: Earth and Environmental Science. 514:022037
In order to solve the problems of poor drainage effect and low efficiency caused by poor sealing quality of deep gas drainage boreholes, based on the gas geological conditions in Huainan mining area, comprehensive theoretical analysis and field engin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2d33f776fa5c0f62b3046f8d44af119b
https://doi.org/10.1088/1755-1315/514/2/022037
https://doi.org/10.1088/1755-1315/514/2/022037