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Analysis on the deployment of mining research supported by the grant program of Deep Resources Exploration and Mining
FAN Jun, ZHANG Jialin, QIN Yuan, WANG Hao, GAO Yanan, PEI Yongzhi
2021, 49(3): 1-7. DOI: 10.3969/j.issn.1001-1986.2021.03.001
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Research on green coal mining strategy in Hedong Coalfield based on resource and geological environment characteristic
LIU Hanbin, CHENG Fangqin
2021, 49(3): 8-17. DOI: 10.3969/j.issn.1001-1986.2021.03.002
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Distribution and enrichment of pollutants from underground gasification of bituminous coal in Huating Mining Area
ZHU Lihui, FENG Beizhan, HU Yongxing, WANG Mingzhong
2021, 49(3): 18-25. DOI: 10.3969/j.issn.1001-1986.2021.03.003
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Occurrence characteristics and resource potential evaluation of tar-rich coal for No.5-2coal seam in Shenfu Mining Area
LI Huabing, YAO Zheng, LI Ning, GAO Jun, XIE Qing, WANG Qiang
2021, 49(3): 26-32, 41. DOI: 10.3969/j.issn.1001-1986.2021.03.004
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Experimental study on multi-scale pore structure characteristics of tar-rich coal in Yushenfu mining area
SHEN Yanjun, WANG Xu, ZHAO Chunhu, WANG Shengquan, GUO Chen, SHI Qingmin, MA Wen
2021, 49(3): 33-41. DOI: 10.3969/j.issn.1001-1986.2021.03.005
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Organic geochemistry of the Jurassic tar-rich coal in Northern Shaanxi Province
ZHANG Ning, XU Yun, QIAO Junwei, NING Shuzheng
2021, 49(3): 42-49. DOI: 10.3969/j.issn.1001-1986.2021.03.006
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Occurrence characteristics of Carboniferous-Permian tar-rich coal and its influencing factors in Northern Shaanxi
YAO Zheng, LUO Qianzhou, LI Ning, LI Huabing, WANG Qiang, GAO Jun
2021, 49(3): 50-61, 68. DOI: 10.3969/j.issn.1001-1986.2021.03.007
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Gas drainage borehole completion technology of directional long hole drilling with negative angle
MA Zan, CHEN Dongdong, XIE Hengxing, CHEN Tianzhu, WANG Bin, JIA Bingyi
2021, 49(3): 62-68. DOI: 10.3969/j.issn.1001-1986.2021.03.008
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The concealed small faults detection based on gas drainage boreholes along and cross the coal seam
XUE Honglai, WEN Zhe
2021, 49(3): 69-77. DOI: 10.3969/j.issn.1001-1986.2021.03.009
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Quantitative study of 3D numerical simulation on optimizing borehole layout spacing of gas drainage
CHEN Yuexia, CHU Tingxiang, CHEN Peng, TANG Yang
2021, 49(3): 78-84, 94. DOI: 10.3969/j.issn.1001-1986.2021.03.010
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An advanced CO2 gas-phase fracturing technology for efficient methane drainage, outburst prevention and excavation in outburst coal seam
YANG Baige, ZHANG Junsheng, LINGHU Jianshe, CAO Yunxing
2021, 49(3): 85-94. DOI: 10.3969/j.issn.1001-1986.2021.03.011
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Effect of load on adsorption characteristics of remolded coal
DAI Juhua, WANG Zhaofeng, LI Xuechen, LI Yanfei, YUE Jiwei
2021, 49(3): 95-101, 111. DOI: 10.3969/j.issn.1001-1986.2021.03.012
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The origin of coal measure breccia in Jinggong No.3 Coal Mine, Pingshuo, Shanxi
SHI Yanqiang
2021, 49(3): 102-111. DOI: 10.3969/j.issn.1001-1986.2021.03.013
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Analysis of interlayer interference in combined development of coalbed methane wells and discussion on combined production methods: A case study of Shoushan No.1 Coal Mine in Pingdingshan
XU Yaobo
2021, 49(3): 112-117, 127. DOI: 10.3969/j.issn.1001-1986.2021.03.014
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Hydrate reservoir physical properties response and high-pressure gas-water reverse penetration during deepwater oil and gas cementing
ZHENG Mingming, WANG Xiaoyu, ZHOU Kerui, WANG Kai, WANG Zhilin, DONG Gang, WEI Meng, LIU Tianle, JIA Dongyan
2021, 49(3): 118-127. DOI: 10.3969/j.issn.1001-1986.2021.03.015
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Experimental study on the influence of coal-based CO2 geological storage on roof fracture conductivity
ZHU Shiliang, SHAO Liwei, ZHOU Xiaozhi, CAO Yutong, ZHANG Kun, WANG Jiandong
2021, 49(3): 128-132, 139. DOI: 10.3969/j.issn.1001-1986.2021.03.016
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Research on wireline sealed coring equipment and technology for coalbed methane content determination
LONG Weicheng, SUN Siqing
2021, 49(3): 133-139. DOI: 10.3969/j.issn.1001-1986.2021.03.017
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Water inrush mechanism of thick alluvium aquifer with high pressure based on the "bidirectional fractures" model in Huainan and Huaibei Mining Area
LIU Qimeng, LIU Yu, XIE Zhigang, BAI Hanying, FU Xiang, MIAO Changjun
2021, 49(3): 140-149. DOI: 10.3969/j.issn.1001-1986.2021.03.018
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Surface subsidence control technology of multi-bed separation grouting
MA Hewen
2021, 49(3): 150-157. DOI: 10.3969/j.issn.1001-1986.2021.03.019
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Mining subsidence analysis of gently inclined coal seams based on FLAC3D and DEM data
GAN Zhihui, SHANG Hui, DU Rongjun, ZHAN Huizhu
2021, 49(3): 158-166. DOI: 10.3969/j.issn.1001-1986.2021.03.020
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Research on the evolution law of roadway surrounding rock fissure based on fractal dimension
DING Wanqi, MA Zhenqian, ZU Ziyin, XIE Hongfei, YANG Wei, CHEN Chuan
2021, 49(3): 167-174. DOI: 10.3969/j.issn.1001-1986.2021.03.021
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Green detection method of coal burning area in northern Shaanxi based on microbial hydrocarbon detection technology
DUAN Zhonghui, MA Li, HAO Chun, WANG Lengyao, MEI Hai
2021, 49(3): 175-181. DOI: 10.3969/j.issn.1001-1986.2021.03.022
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Model tests on the red clay foundation reinforced by the natural coir fiber
LI Liangyong, MA Weidi, XIE Peng, CAO Qian, HUANG Ruilong
2021, 49(3): 182-188. DOI: 10.3969/j.issn.1001-1986.2021.03.023
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Variation law and influencing mechanism of surface movement parameters in Shendong Mining Area
ZHOU Tingting, SU Lijuan, LIU Hui, ZHU Xiaojun
2021, 49(3): 189-198. DOI: 10.3969/j.issn.1001-1986.2021.03.024
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Borehole-roadway seismic-while-mining tomography using correlation time difference
WANG Yunhong, WANG Baoli, CHENG Jianyuan, CUI Weixiong, JIN Dan
2021, 49(3): 199-204. DOI: 10.3969/j.issn.1001-1986.2021.03.025
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Targeted processing method for seismic data of karst caves and goafs in Nanchuan Area
MENG Qingli, REN Junxing, YANG Fan
2021, 49(3): 205-211. DOI: 10.3969/j.issn.1001-1986.2021.03.026
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The application of Opposing Coils Transient Electromagnetics in the detection of karst subsidence area
XIE Jia, LIU Yang, LI Xingqiang, LU Yulong, LI Ganlong
2021, 49(3): 212-218, 226. DOI: 10.3969/j.issn.1001-1986.2021.03.027
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The development of a single-component non-cable seismograph in underground coal mines
LI Yuan
2021, 49(3): 219-226. DOI: 10.3969/j.issn.1001-1986.2021.03.028
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Prediction model of coalbed methane content based on well logging parameter optimization
CHEN Tao, ZHANG Zhansong, ZHOU Xueqing, GUO Jianhong, XIAO Hang, TAN Chenyang, QIN Ruibao, YU Jie
2021, 49(3): 227-235, 243. DOI: 10.3969/j.issn.1001-1986.2021.03.029
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Classification method of coal and rock drillability based on Mechanical Specific Energy theory
XIE Zhijiang, CHANG Xue, YANG Lin, PI Yangjun
2021, 49(3): 236-243. DOI: 10.3969/j.issn.1001-1986.2021.03.030
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Feasibility study on the principle of punching-shearing composite rock fragmentation mode of connecting holes in rock strata
WANG Chuanliu
2021, 49(3): 244-248. DOI: 10.3969/j.issn.1001-1986.2021.03.031
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Application and development of permanent magnet torque motor in down-hole tools for oil and gas drilling and production
LI Wei, DENG Lang, ZOU Xing, XIA Yang, CHEN Xi
2021, 49(3): 249-255. DOI: 10.3969/j.issn.1001-1986.2021.03.032
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The application of pneumatic directional drilling technology in gas pre-drainage of strips in soft coal seams
ZHANG Jie
2021, 49(3): 256-261. DOI: 10.3969/j.issn.1001-1986.2021.03.033
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