COAL GEOLOGY & EXPLORATION 2017 Vol. 45 No. 5

Geochemistry characteristics of coals and the paleosea level variation in Xiaoniu coalfield, Guizhou Province

SHEN Minglian, YANG Ruidong, CHENG Wei, KONG Xianggui, CAO Zhengduan

2017, 45(5): 1-5,12. DOI: 10.3969/j.issn.1001-1986.2017.05.001

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Occurrence of super high volatile and tar yield coal in China

SUN Yewei, TANG Yuegang, Li Zhengyue, WEI Qiang

2017, 45(5): 6-12. DOI: 10.3969/j.issn.1001-1986.2017.05.002

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Geochemistry-based sequential stratigraphic classification of shale——With shale of Upper Permian Longtan Formation in well Changye1 in Meishan area of Zhejiang as example

WANG Qiong, XU Hao, TANG Dazhen, TAO Shu

2017, 45(5): 13-18. DOI: 10.3969/j.issn.1001-1986.2017.05.003

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Image recognition-based observation of macro fracture in coal seam in underground mine

SUN Yuelong, CUI Hongqing, GUAN Jinfeng

2017, 45(5): 19-22. DOI: 10.3969/j.issn.1001-1986.2017.05.004

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Fitting stratum interface through regularized thin-plate spline function

WANG Baolong, LI Qingyuan, JIA Huiling, DONG Qianlin, WEI Zhubin, LI Qing

2017, 45(5): 23-27,32. DOI: 10.3969/j.issn.1001-1986.2017.05.005

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Change features of outburst parameters in the thermal simulation experiment of low metamorphic coal

HE Jun, ZHENG Zeyong, CHEN Liang

2017, 45(5): 28-32. DOI: 10.3969/j.issn.1001-1986.2017.05.006

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Analysis and prospect on hydraulic fracturing fluid used in coalbed methane well

CHEN Haihui, FAN Hongfu, GUO Jianping, HE Xuwei

2017, 45(5): 33-40. DOI: 10.3969/j.issn.1001-1986.2017.05.007

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Fractal characteristics of pore structure of continental shale in the process of thermal evolution

MA Ming, CHEN Guojun, XU Yong, HU Shijun, LYU Chengfu, XUE Lianhua

2017, 45(5): 41-47. DOI: 10.3969/j.issn.1001-1986.2017.05.008

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Research on key factors of CBM well productivity in deep strata inblock of south Yanchuan

FU Yutong, MA Jianqiang, LI Yongchen, XU Zuwei

2017, 45(5): 48-53. DOI: 10.3969/j.issn.1001-1986.2017.05.009

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Optimal selection of favorable CBM blocks of Badaowan coal seams in Rumqi-Dahuangshan area

JIA Bingyi, JIN Xianglan, LIU Yuhui, WANG Xiangye

2017, 45(5): 54-57,65. DOI: 10.3969/j.issn.1001-1986.2017.05.010

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Characteristics and influence factors of pore structure of coal reservoirs in the eastern margin of Ordos basin

WU Jian, TANG Dazhen, LI Song, REN Pengfei

2017, 45(5): 58-65. DOI: 10.3969/j.issn.1001-1986.2017.05.011

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Unattached multiple layer superimposed coalbed methane system in Songhe mine, west Guizhou

ZHOU Peiming, JIN Jun, LUO Kaiyan, GAO Wei, CHEN Jie

2017, 45(5): 66-69. DOI: 10.3969/j.issn.1001-1986.2017.05.012

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Flowback technology after fracturing of CBM wells

ZHANG Zhuang

2017, 45(5): 70-74. DOI: 10.3969/j.issn.1001-1986.2017.05.013

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Evolution characteristics of micropore and mesopore of different rank coal and cause of their formation

HOU Jinxiu, WANG Baojun, ZHANG Yugui, ZHANG Jinchun

2017, 45(5): 75-81. DOI: 10.3969/j.issn.1001-1986.2017.05.014

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Hydrogeochemical characteristics during water inrush of poorly sealed gas hole

YANG Jian, LIANG Xiangyang, LIU Ji

2017, 45(5): 82-86,93. DOI: 10.3969/j.issn.1001-1986.2017.05.015

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Application of principal component analysis and Bayes discrimination approach in water source identification

ZHANG Hao, YAO Duoxi, LU Haifeng, ZHU Ningning, XUE Liang

2017, 45(5): 87-93. DOI: 10.3969/j.issn.1001-1986.2017.05.016

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Water absorbability of rock of coal-bearing strata in Hanglaiwan coal mine in northern Shaanxi

DONG Zhenyu, WANG Shuangming, SHEN Tao

2017, 45(5): 94-99. DOI: 10.3969/j.issn.1001-1986.2017.05.017

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Forecasting of water abundance of coal roof sandstone aquifer in Jining No.3 mine

SHI Shouqiao, WEI Jiuchuan, YIN Huiyong, XIE Daolei, YANG Jianhuan

2017, 45(5): 100-104. DOI: 10.3969/j.issn.1001-1986.2017.05.018

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Uniaxial rheological damage experiment of soft rock based on the ultrasonic testing

WU Chun, GUO Qiwu, HONG Tao, CHEN Yuanjiang

2017, 45(5): 105-111,120. DOI: 10.3969/j.issn.1001-1986.2017.05.019

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Geological hazard susceptibility assessment in thick loess and gob

TAN Xinping, XU Zhangjian, WANG Xiaoqiu, WEI Yihua, DONG Pengwei

2017, 45(5): 112-120. DOI: 10.3969/j.issn.1001-1986.2017.05.020

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Entropy and normal cloud model-based grade evaluation of soft rock

CHEN Yuanjiang, WU Tingting

2017, 45(5): 121-126,134. DOI: 10.3969/j.issn.1001-1986.2017.05.021

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Sustainable management and reuse of brownfield in China's mining areas

WANG Ziguan, ZHAO Dan, WANG Ruixue

2017, 45(5): 127-134. DOI: 10.3969/j.issn.1001-1986.2017.05.022

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Behaviors of land reclamation in subsidence land based on energy theory

HE Yanwei

2017, 45(5): 135-139. DOI: 10.3969/j.issn.1001-1986.2017.05.023

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Detecting depth of transient electromagnetic method from different points of view

CHEN Mingsheng, SHI Xianxin

2017, 45(5): 140-146. DOI: 10.3969/j.issn.1001-1986.2017.05.024

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Evaluation of the reliability of the collapse column interpreted by 3D seismic in a mine in Shanxi Province

CHA Wenfeng

2017, 45(5): 147-151. DOI: 10.3969/j.issn.1001-1986.2017.05.025

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Method and application of reflected in-seam wave enveloped superpositionimaging in coal mine

WANG Yi

2017, 45(5): 152-154,160. DOI: 10.3969/j.issn.1001-1986.2017.05.026

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Application of artificial drilling fluid resistivity well logging in hydrogeological exploration of coalfield

WANG Haijun

2017, 45(5): 155-160. DOI: 10.3969/j.issn.1001-1986.2017.05.027

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One-dimensional inversion for loop source transient electromagnetic method

LI Gang, PAN Heping, WANG Zhi, WU Aiping, FANG Sinan

2017, 45(5): 161-166,172. DOI: 10.3969/j.issn.1001-1986.2017.05.028

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Research on off-line programming-based intelligent directional drillingtechnology of coal seam

YANG Mingjun, WEN Guojun, WANG Yudan, XU Xinjian, LYU Zhonglin

2017, 45(5): 167-172. DOI: 10.3969/j.issn.1001-1986.2017.05.029

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High-pressure water jet drilling and completion technology and future development

WANG Minsheng, GUANG Xinjun

2017, 45(5): 173-179,185. DOI: 10.3969/j.issn.1001-1986.2017.05.030

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Analysis on rock fragmentation mechanism of impregnateddiamond bit with grids matrix

WEI Wenjie, ZHANG Shaohe

2017, 45(5): 180-185. DOI: 10.3969/j.issn.1001-1986.2017.05.031

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Problems and improvement of rubber-sleeve type hydraulic chuck

WEI Huanhuan, YIN Xinsheng

2017, 45(5): 186-190. DOI: 10.3969/j.issn.1001-1986.2017.05.032

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