column
Progress in the research on drilling technology and equipment in coal mining areas of China
LI Quanxin, SHI Zhijun, TIAN Hongliang, YAO Ke, LIU Jianlin, YAO Yafeng, XU Chao, FANG Jun, LIU Fei
2019, 47(2): 1-6,12. DOI: 10.3969/j.issn.1001-1986.2019.02.001
View Count Download Count
Research on key technology of the 15 000 N·m high-power directional drilling rig
FANG Peng
2019, 47(2): 7-12. DOI: 10.3969/j.issn.1001-1986.2019.02.002
View Count Download Count
Design of parameter monitoring software for full hydraulic drilling rig based on embedded technology
LIAO Jiangnan, JIANG Nan, SONG Haitao, DONG Hongbo, MA Bin
2019, 47(2): 13-19. DOI: 10.3969/j.issn.1001-1986.2019.02.003
View Count Download Count
Design of remote control system of drilling rig in coal mines
WENG Yinsheng, WU Di, LU Feifei, WANG Longpeng
2019, 47(2): 20-26. DOI: 10.3969/j.issn.1001-1986.2019.02.004
View Count Download Count
Trajectory design of oblique section in nearly horizontal directional hole in inclined formation in underground coal mine
ZHANG Yingjie, ZHAO Yongzhe, YANG Zhong, MO Haitao
2019, 47(2): 27-30. DOI: 10.3969/j.issn.1001-1986.2019.02.005
View Count Download Count
Hole-bottom hydraulic pressurization technology for directional drilling in hard rock in underground coal mines
XU Baolong, YAO Ningping, WANG Li, CAO Jing, DOU Xuqian
2019, 47(2): 31-35,43. DOI: 10.3969/j.issn.1001-1986.2019.02.006
View Count Download Count
Progress and prospects of coal geological work in Tibet
QIAO Junwei, NING Shuzheng, SONG Shiyu, YANG Cheng
2019, 47(2): 36-43. DOI: 10.3969/j.issn.1001-1986.2019.02.007
View Count Download Count
Geological consideration for site selection of underground coal gasifier
HAN Lei, QIN Yong, WANG Zuotang
2019, 47(2): 44-50. DOI: 10.3969/j.issn.1001-1986.2019.02.008
View Count Download Count
Fracture extension law of hydraulic fracture in coal with different structure
JIA Qifeng, NI Xiaoming, ZHAO Yongchao, CAO Yunxing
2019, 47(2): 51-57. DOI: 10.3969/j.issn.1001-1986.2019.02.009
View Count Download Count
Study on pore structure and pressure-sensitive effect of tectonic coal in Huaibei Xutuan mine
DONG Kui, JIA Jiancheng, GONG Zewen, WU Yan
2019, 47(2): 58-65. DOI: 10.3969/j.issn.1001-1986.2019.02.010
View Count Download Count
Model of gas-bearing coal permeability prediction based on APSO-WLS-SVM
MAO Zhiyong, HUANG Chunjuan, LU Shichang, HAN Rongyue
2019, 47(2): 66-71,78. DOI: 10.3969/j.issn.1001-1986.2019.02.011
View Count Download Count
Data modeling and analysis of coal resources based on 3DMine software
LIU Xiaoning, LUO Jinhui, MA Xiaoli, DONG Zhibo
2019, 47(2): 72-78. DOI: 10.3969/j.issn.1001-1986.2019.02.012
View Count Download Count
Preparation of polished slice of special coal and its influence on coal petrology analysis
LIU Shande
2019, 47(2): 79-83. DOI: 10.3969/j.issn.1001-1986.2019.02.013
View Count Download Count
Analysis of diffusion properties of methane in low rank coal
MENG Zhaoping, ZHANG Guiyuan, LI Guoqing, LIU Jinrong
2019, 47(2): 84-89. DOI: 10.3969/j.issn.1001-1986.2019.02.014
View Count Download Count
Technology and method of CBM concurrent exploration during coal resources exploration
LIN Yabing, QIN Yong, DUAN Zhonghui, MA Dongmin
2019, 47(2): 90-97. DOI: 10.3969/j.issn.1001-1986.2019.02.015
View Count Download Count
Experimental of water unlocking stimulation mechanism on surfactant fracturing fluid
SONG Jinxing, YU Shiyao, SU Xianbo, WANG Qian
2019, 47(2): 98-102. DOI: 10.3969/j.issn.1001-1986.2019.02.016
View Count Download Count
Reservoir-forming conditions of shale gas in Badaowan Formation in Fukang area, Xinjiang
ZHANG Min, LI Xianqing, ZHANG Jizhen, SUN Jie, LIANG Wanle, DUAN Zhiyou, LI Hanqing
2019, 47(2): 103-110,120. DOI: 10.3969/j.issn.1001-1986.2019.02.017
View Count Download Count
The characteristics of organic matter in coal-measure source rocks and coal-measure gas resource potential in eastern Henan Province
YANG Yanqing, ZHANG Xiaodong, XU Yakun, ZHANG Peng, WANG Kun, ZHU Chunhui
2019, 47(2): 111-120. DOI: 10.3969/j.issn.1001-1986.2019.02.018
View Count Download Count
Modification of Na-K-Mg triangular diagram and selection of Na-K geothermometer
WANG Xin, QI Jihong, XU Mo, MA Xiaoyun
2019, 47(2): 121-128. DOI: 10.3969/j.issn.1001-1986.2019.02.019
View Count Download Count
Characteristics of height of water flowing fractured zone caused during ful-ly-mechanized caving mining in Huanglong coalfield
LI Chaofeng
2019, 47(2): 129-136. DOI: 10.3969/j.issn.1001-1986.2019.02.020
View Count Download Count
Coal mine water inrush prediction based on LSTM neural network
DONG Lili, FEI Cheng, ZHANG Xiang, CAO Chaofan
2019, 47(2): 137-143. DOI: 10.3969/j.issn.1001-1986.2019.02.021
View Count Download Count
Study on development height of permeable fractured zone based on overburden failure transfer
ZHAO Gaobo, GUO Wenbing, LOU Gaozhong, MA Zhibao
2019, 47(2): 144-150. DOI: 10.3969/j.issn.1001-1986.2019.02.022
View Count Download Count
Analysis of water abundance characteristics of sandstone aquifer in Luohe Formation on the basis of ArcGIS
HOU Enke, LONG Tianwen, LIU Qingli, WANG Fei, FAN Zhigang
2019, 47(2): 151-156. DOI: 10.3969/j.issn.1001-1986.2019.02.023
View Count Download Count
Influence of composite roof structure on the stability of coal roadway
CHEN Xinnian, WANG Jingchun, XIONG Xianyu, FAN Jiawei, SHEN Pan
2019, 47(2): 157-161,167. DOI: 10.3969/j.issn.1001-1986.2019.02.024
View Count Download Count
Fuzzy random optimization of generalized Kelvin constitutive model for creep of artificial freezing clay
YAO Yafeng, CHENG Hua, RONG Chuanxin, ZHANG Nan, LIN Jian
2019, 47(2): 162-167. DOI: 10.3969/j.issn.1001-1986.2019.02.025
View Count Download Count
Numerical analysis of temperature field of underwater dredging artificial frozen plate
WU Yuwei, HU Jun, WANG Zhixin, ZENG Dongling, WANG Shucheng
2019, 47(2): 168-176. DOI: 10.3969/j.issn.1001-1986.2019.02.026
View Count Download Count
Research on collapsibility of a loess site in Pakistan
LIU Chunlong, ZHANG Zhiqiang, LIU Fengyin, LIU Naifei, SUN Hongchao, LYU Wenjun
2019, 47(2): 177-182. DOI: 10.3969/j.issn.1001-1986.2019.02.027
View Count Download Count
Study on complex resistivity of artificial sandstone containing conductive mineral under high pressure
TIAN Gang, TANG Xingong, XIANG Kui, CHI Meiyao
2019, 47(2): 183-188,194. DOI: 10.3969/j.issn.1001-1986.2019.02.028
View Count Download Count
Method for determination of measurent time of resistivity logging in artificial well liquid
WANG Haijun, MA Liang
2019, 47(2): 189-194. DOI: 10.3969/j.issn.1001-1986.2019.02.029
View Count Download Count
CLGIS logging data format conversion
LIN Jiamin, ZHANG Gong
2019, 47(2): 195-199,206. DOI: 10.3969/j.issn.1001-1986.2019.02.030
View Count Download Count
Properties of mud cake associated with silica shale powder intrusion into drilling fluid
MO Dingqiang, SUN Pinghe, ZHAO Binkui, WANG Jingyuan, ZHANG Shaohe, CAO Han
2019, 47(2): 200-206. DOI: 10.3969/j.issn.1001-1986.2019.02.031
View Count Download Count
Mechanical characteristics and test of rotary drilling of PDC anchor bit
ZHANG Youzhen, ZHANG Ning, ZHANG Xianzhen
2019, 47(2): 207-211,216. DOI: 10.3969/j.issn.1001-1986.2019.02.032
View Count Download Count
Theoretical research on the ploughing rock breaking properties of new conical PDC cutter
JU Pei, WANG Chuanliu
2019, 47(2): 212-216. DOI: 10.3969/j.issn.1001-1986.2019.02.033
View Count Download Count