Coal Geology & Exploration
Volume 49, Issue 3 (2021)
Table of Contents
Table of Contents
The Editors
Special Issue Articles
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, and PEI Yongzhi
Research on green coal mining strategy in Hedong Coalfield based on resource and geological environment characteristic
LIU Hanbin and CHENG Fangqin
Distribution and enrichment of pollutants from underground gasification of bituminous coal in Huating Mining Area
ZHU Lihui, FENG Beizhan, HU Yongxing, and WANG Mingzhong
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, and WANG Qiang
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, and MA Wen
Organic geochemistry of the Jurassic tar-rich coal in Northern Shaanxi Province
ZHANG Ning, XU Yun, QIAO Junwei, and NING Shuzheng
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, and GAO Jun
Coal Geology, Mine Geology
Gas drainage borehole completion technology of directional long hole drilling with negative angle
MA Zan, CHEN Dongdong, XIE Hengxing, CHEN Tianzhu, WANG Bin, and JIA Bingyi
The concealed small faults detection based on gas drainage boreholes along and cross the coal seam
XUE Honglai and WEN Zhe
Quantitative study of 3D numerical simulation on optimizing borehole layout spacing of gas drainage
CHEN Yuexia, CHU Tingxiang, CHEN Peng, and TANG Yang
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, and CAO Yunxing
Effect of load on adsorption characteristics of remolded coal
DAI Juhua, WANG Zhaofeng, LI Xuechen, LI Yanfei, and YUE Jiwei
Coal-measure Gas, Coal-hosted Minerals
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, and JIA Dongyan
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, and WANG Jiandong
Research on wireline sealed coring equipment and technology for coalbed methane content determination
LONG Weicheng and SUN Siqing
Hydrogeology, Engineering Geology, Environmental Geology
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, and MIAO Changjun
Mining subsidence analysis of gently inclined coal seams based on FLAC3D and DEM data
GAN Zhihui, SHANG Hui, DU Rongjun, and ZHAN Huizhu
Research on the evolution law of roadway surrounding rock fissure based on fractal dimension
DING Wanqi, MA Zhenqian, ZU Ziyin, XIE Hongfei, YANG Wei, and CHEN Chuan
Green detection method of coal burning area in northern Shaanxi based on microbial hydrocarbon detection technology
DUAN Zhonghui, MA Li, HAO Chun, WANG Lengyao, and MEI Hai
Model tests on the red clay foundation reinforced by the natural coir fiber
LI Liangyong, MA Weidi, XIE Peng, CAO Qian, and HUANG Ruilong
Variation law and influencing mechanism of surface movement parameters in Shendong Mining Area
ZHOU Tingting, SU Lijuan, LIU Hui, and ZHU Xiaojun
Coal Geophysical Exploration, Mine Geophysical Exploration
Borehole-roadway seismic-while-mining tomography using correlation time difference
WANG Yunhong, WANG Baoli, CHENG Jianyuan, CUI Weixiong, and JIN Dan
Targeted processing method for seismic data of karst caves and goafs in Nanchuan Area
MENG Qingli, REN Junxing, and YANG Fan
The application of Opposing Coils Transient Electromagnetics in the detection of karst subsidence area
XIE Jia, LIU Yang, LI Xingqiang, LU Yulong, and LI Ganlong
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, and YU Jie
Drilling Engineering
Classification method of coal and rock drillability based on Mechanical Specific Energy theory
XIE Zhijiang, CHANG Xue, YANG Lin, and PI Yangjun
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, and CHEN Xi
