COAL GEOLOGY & EXPLORATION 2017 Vol. 45 No. 3

The structure features and forming mechanism of Huaibei coalfield

FANG Ting, XIE Guoai, WANG Bo, ZHANG Qinglong, XIE Siyi, ZOU Xu

2017, 45(3): 1-6,12. DOI: 10.3969/j.issn.1001-1986.2017.03.001

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Influence of magmatic intrusion on the coal pore on the basis of mercury intrusion porosimetry

SONG Boyi, SONG Dangyu, LI Chunhui, YUAN Lei

2017, 45(3): 7-12. DOI: 10.3969/j.issn.1001-1986.2017.03.002

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Genesis of microstructure in coalfield in Meicheng-Hanpo'ao area of Hunan

WU Yuliang, DONG Yeji, LI Huantong, MO Jiafeng, LI Xiang, CAO Daiyong

2017, 45(3): 13-17. DOI: 10.3969/j.issn.1001-1986.2017.03.003

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Characteristic and geological significance of trace elements in mudstone of Upper Carboniferous-Lower Permian in Linxing area

XUE Liangxi, SHEN Yulin, GU Jiaoyang, ZHENG Jun, ZHANG Chunliang

2017, 45(3): 18-24,31. DOI: 10.3969/j.issn.1001-1986.2017.03.004

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Mineralogic characteristics of pyrophyllite mudstone in Mentougou, western Beijing

SHI Bin, LIU Xin, XIN Mimi, LIN Yuanhui, ZHAO Yunpeng, LIU Qinfu

2017, 45(3): 25-31. DOI: 10.3969/j.issn.1001-1986.2017.03.005

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Release of mercury in the pyrolysis of coal with different ranks

CHENG Hongfei, LIANG Ming, LIANG Handong, ZHANG Wenhai

2017, 45(3): 32-36. DOI: 10.3969/j.issn.1001-1986.2017.03.006

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3D modeling with integration of geological data of multi-sources and geological analysis: A case of Sanlutian explorationg area of Muli, Qinghai

DONG Qianlin, LI Qingyuan, CAO Daiyong, LI Qing, WEI Zhubin, LI Yonghong, CUI Yang

2017, 45(3): 37-44. DOI: 10.3969/j.issn.1001-1986.2017.03.007

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Hydraulic fracturing technology for permeability improvement through underground long borehole along coal seam

YAN Zhiming

2017, 45(3): 45-48. DOI: 10.3969/j.issn.1001-1986.2017.03.008

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Radiogenic heat production of magmatic rock of coal measure strata based on natural gamma-ray logging in Zhuji mine field of Huainan coal field

REN Ziqiang, WU Jiwen, PENG Tao, GUI Xiang, ZHANG Haichao

2017, 45(3): 49-53,58. DOI: 10.3969/j.issn.1001-1986.2017.03.009

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Distribution characteristics of isotope carbon and its geological origin in coal & gas carbon of Qidong coal mine, Huaibei coalfield

XU Chao, CHEN Bingyu, WU Dun, DING Dianshi, XIA Yuanyuan, LIU Guijian

2017, 45(3): 54-58. DOI: 10.3969/j.issn.1001-1986.2017.03.010

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Fractal characteristics of pore structure in high rank coals from Xinjing coal mine, Yangquan

MAO Xiaoxiao, ZHAO Difei, YANG Yujuan, LU Chengang, WANG Xuelian, GUO Yinghai

2017, 45(3): 59-66. DOI: 10.3969/j.issn.1001-1986.2017.03.011

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Distribution and evaluation of geostress in coal reservoirs in Xishan block, Taiyuan

HE Xulong, MENG Zhaoping, LI Tao

2017, 45(3): 67-71,76. DOI: 10.3969/j.issn.1001-1986.2017.03.012

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Abnormal drainage identification of coalbed methane well based on production system

WANG Lin, MA Feiying, LIU Quanwen, PENG Lisha, JIANG Pei, XIE Shouchang

2017, 45(3): 72-76. DOI: 10.3969/j.issn.1001-1986.2017.03.013

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Permeability distribution law of protected coal seam in mining-affected zone

CHENG Bin, ZHAO Long, LI Zhiliang

2017, 45(3): 77-81,86. DOI: 10.3969/j.issn.1001-1986.2017.03.014

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Evaluation on drainage degree in roof based on AHP-matter element extension model

ZHAO Baofeng

2017, 45(3): 82-86. DOI: 10.3969/j.issn.1001-1986.2017.03.015

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Identification of hydrogeological parameters based on machine learning algorithm

QIANG Lingjuan, CHANG Anding, CHEN Yuxue

2017, 45(3): 87-90,95. DOI: 10.3969/j.issn.1001-1986.2017.03.016

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Application of entropy weight method and analytic hierarchy process in evaluation of water inrush from coal seam floor

ZHANG Xiaoliang

2017, 45(3): 91-95. DOI: 10.3969/j.issn.1001-1986.2017.03.017

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Calculation of stability of landslide with deloading trough rock and soil removal based on influence line analysis

LI Xunchang, LI Ge, WU Ruifang, YANG Wei

2017, 45(3): 96-100. DOI: 10.3969/j.issn.1001-1986.2017.03.018

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Characteristic and classification of landslide in Shanxi coal mine area

JIAO Shan, LONG Jianhui, YU Huili

2017, 45(3): 101-106. DOI: 10.3969/j.issn.1001-1986.2017.03.019

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Deformation mechanism and urgent treatment of unstable slope induced by construction

XU Rui, CHENG Hui, LI Xunchang, MA Anfeng

2017, 45(3): 107-111. DOI: 10.3969/j.issn.1001-1986.2017.03.020

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Measurement of force system of prestressed slide-resistant piles with anchor cable and analysis of influence effect of prestress

LI Kun, LONG Jianhui

2017, 45(3): 112-118,124. DOI: 10.3969/j.issn.1001-1986.2017.03.021

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Simulation of collapsible characteristics of Malan loess in Yan'an new area by PFC^2D

HUANG Lei, LI Xi'an, CAI Weibin, QIAO Lu

2017, 45(3): 119-124. DOI: 10.3969/j.issn.1001-1986.2017.03.022

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Analysis and practice of detection of small loop transient field

CHEN Mingsheng, SHI Xianxin, XIE Haijun

2017, 45(3): 125-130. DOI: 10.3969/j.issn.1001-1986.2017.03.023

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Seismic attribute reduction of CBM reservoir using improved combined cross entropy

CHE Xiangqian, ZHANG Xinxin, BIAN Li

2017, 45(3): 131-135,143. DOI: 10.3969/j.issn.1001-1986.2017.03.024

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Application effect of free gas identification by cross-well acoustic background value in coal seam

WANG Haiqing, SUN Jianmeng, LIU Jianjun, ZHAO Liming, LU Xuejun

2017, 45(3): 136-143. DOI: 10.3969/j.issn.1001-1986.2017.03.025

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Design of LWD borehole depth-measuring device

WANG Lan, CHEN Long, ZHANG Peng, DUAN Zhiduo

2017, 45(3): 144-146. DOI: 10.3969/j.issn.1001-1986.2017.03.026

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Tomography technique of relative transmission coefficient of in-seam wave in coal mining face

LYU Huaxin, CUI Weixiong, FU Zhengqing, GUAN Qi

2017, 45(3): 147-150. DOI: 10.3969/j.issn.1001-1986.2017.03.027

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Development of ZDY3500T drilling rig for water detection and drainage through medium-deep hole in coal mines

LI Dong

2017, 45(3): 151-155. DOI: 10.3969/j.issn.1001-1986.2017.03.028

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Design and application of electromagnetic radio MWD system of drilling track in coal mine

JIANG Zeyu, XIE Hongbo, WEN Guangchao, HUANG Xianrui

2017, 45(3): 156-161. DOI: 10.3969/j.issn.1001-1986.2017.03.029

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Design and application of bag-type coring tool

ZHAO Zherui, ZHANG Shaohe, YAN Jianlong

2017, 45(3): 162-164,169. DOI: 10.3969/j.issn.1001-1986.2017.03.030

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Research and practices on drilling in soft coal seams in Hancheng Sangshuping coal mine

LIU Xinmin, WANG Li, WANG Jianli, HUANG Hanjing, SONG Chaohui, WANG Jianqiang

2017, 45(3): 165-169. DOI: 10.3969/j.issn.1001-1986.2017.03.031

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Key technology of drilling the borehole of 1 200 m deep in a coal mine in Xinjiang

QIN Pinguang

2017, 45(3): 170-174. DOI: 10.3969/j.issn.1001-1986.2017.03.032

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