Coal Geology & Exploration
Volume 47, Issue 5 (2019)
Table of Contents
Table of Contents
The Editors
Special Issue Articles
Trilinear chart classification method of mine water hazard type based on factors of water recharge
HU Weiyue and ZHAO Chunhu
Evaluation technology for key monitoring area of early warning of water inrush from the floor of working face in coal mine
LIU Demin, YIN Shangxian, and LIAN Huiqing
Fractal theory-based investigation of the optimal interval of minimum pore radius of sandstone
XU Lulu, DONG Shuning, DAI Zhenxue, XU Bin, YIN Shangxian, ZHOU Yan, and CHEN Junjun
Stability of cement-based grouting slurry and test of its bleeding law
XU Bin, DONG Shuning, XU Lulu, ZHOU Yan, CHEN Junjun, DAI Zhenxue, and WANG Hao
Analytical solution for surrounding rock of circular roadway based on generalized SMP criterion considering seepage and dilatancy
PAN Jiliang and REN Fenhua
Spatial distribution and formation of groundwater hydrochemistry in Huainan coalfield
WANG Zitao, LIU Qimeng, and LIU Yu
Identification model of the independence right-fuzzy variable theory of water inrush source
DONG Donglin, LI Xiang, LIN Gang, BIAN Jianling, CAO Chenglong, and WU Heng
Experimental study of three-component down-hole TEM for detecting water-filled goaf
YAO Weihua, WANG Peng, LI Mingxing, SU Chao, and CHENG Siyuan
Coal Geology, Mine Geology
Micro CT-based meticulous characterization of porosity evolution of coal in the process of biodegradation
DONG Zhiwei, GUO Hongyu, XIA Daping, LIU Xile, BAI Yang, and ZHAO Guojun
Fractal characteristics of pores and microfractures of coals with different structure and their effect on permeability
YE Zhenni, HOU Enke, DUAN Zhonghui, WEN Qiang, HUANG Meitao, and HE Dan
The discovery and geological significance of coal-formed graphite in Chongyi coal mine in Jiangxi Province
LI Yang, WANG Lu, CAO Daiyong, DU Xin, ZHAO Meng, LIU Liming, and WEI Yingchun
Comprehensive outburst prevention technology of outburst-prone coal seam uncovered by crossdrift in Hongshan coal mine
WANG Beifang, LIANG Bing, ZHANG Jing, CHI Haibo, and HUANG Pujiang
Coal-measure Gas, Coal-hosted Minerals
Molecular simulation of the influence of foam fracturing fluid additives on coalbed methane diffusion
YANG Zhaozhong, HAN Jinxuan, ZHANG Jian, HE Rui, LU Yanjun, and LI Xiaogang
Reasons of low yield and stimulation measures for vertical CBM wells in high-rank coal
JIA Huimin, HU Qiujia, QI Kongjun, LIU Chunchun, FAN Bin, and HE Jun
Estimation method and application of free gas content in coal
JIANG Wenping, ZHANG Qun, ZHANG Peihe, DONG Mintao, TIAN Xinjuan, and RU Ting
Analysis on the type of reservoir pressure drop and drainage control of coalbed methane well in the southern block of Shizhuang
YI Yongxiang, TANG Shuheng, ZHANG Songhang, YAN Xinlu, WANG Kaifeng, and DANG Feng
Development and test of self-adjusting deflected wellhead sealing device for coalbed methane wells
PANG Tao
Evaluation method of compressibility of shale gas reservoir in consideration of the influence of fracture toughness
ZHANG Chenqing, XU Jiang, PENG Shoujian, YAN Fazhi, WU Bin, and YUE Yuqing
Hydrogeology, Engineering Geology, Environmental Geology
Influence of the freezing-thawing cycles on soil-water characteristics of soil in open-pit mine dumping sites
WANG Xuedong, LI Shiyu, SUN Yanfeng, and YE Guo
Test of the influence of dynamic water grouting diffusion radius of fractures in rock
GU Shuancheng, SUN Guanlin, SU Peili, and LI Jinhua
Similar model test and mechanical analysis of fault structure
SONG Yanqi, WANG Shilei, SUN Chuan, and HAO Liangjun
Experimental study on contact angle and pore characteristics of unsaturated loess
JING Yanlin, WANG Hao, TAO Chunliang, YANG Lina, LIU Jianwei, and WEN Xin
Influence of loading rate on the fracture characteristics of large-size specimen
CHEN Juntao, LI Ming, CHENG Binbin, YANG Fan, MEN Huili, and SHAO Zhujuan
A new instability criterion of double strength reduction method for slope
FANG Hongwei, WU Jianxun, and HOU Zhenkun
Coal Geophysical Exploration, Mine Geophysical Exploration
The effect of viscoelasticity and velocity anisotropy on the reflections of a thin bed
CHEN Benchi, WANG Chao, CHEN Changxing, and SHI Lei
LBFGS CSAMT 1D inversion of limited memory based on boundary constraint and its application
TANG Chuanzhang, CHENG Jianzhong, YAN Liangjun, FENG Guangye, ZHOU Lei, and XU Fengjiao
Acquisition platform of frequency domain IP signal
FU Guohong, ZHANG Qianfeng, CHENG Hui, and XIE Tiancai
Calibration and experiment of mine electromagnetic LWD gamma logging tool
WANG Xiaolong, JIANG Bici, and WANG Kaibin
The influence of grounding grid on electromagnetic detection of goaf
XU Xing, WENG Ling, LI Shiqiang, and LIU Guoqiang
Drilling Engineering
Design and application of multi-section bundled bag wire-line coring drilling tools
HAN Yi, ZHANG Shaohe, BAI Rui, SUN Pinghe, SHU Biao, CAO Han, and ZHANG Xinxin
Development of impact screw motor
WANG Siyi, LI Quanxin, LIU Jianlin, ZHAO Jiangpeng, and YANG Dongdong
Study on local volume breakage of diamond-impregnated bit
SUN Jiwei, SHEN Lina, YANG Gansheng, and YE Jichao
