COAL GEOLOGY & EXPLORATION 2017 Vol. 45 No. 4

Structural features and coal-controlling effect in Quanji mountain area, Qinghai

DANG Hongliang, LI Yonghong

2017, 45(4): 1-6. DOI: 10.3969/j.issn.1001-1986.2017.04.001

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Coal deformation, metamorphism and tectonic environment in Xinhua, Hunan

LI Huantong, MO Jiafeng, WU Yuliang, CAO Daiyong, LI Xiang, LI Long

2017, 45(4): 7-12,18. DOI: 10.3969/j.issn.1001-1986.2017.04.002

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The exploration and development of unconventional oil and gas in the Taiyuan Formation from Huainan coalfield

WU Dun, ZHANG Wenyong, ZHU Wenwei, ZHOU Xuenian, DING Hai, ZHAO Zhiyi

2017, 45(4): 13-18. DOI: 10.3969/j.issn.1001-1986.2017.04.003

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Sequence-paleogeography and coal accumulation of coal-accumulating period in the western part of Muri coalfield

ZHANG Qianghua, HOU Enke, CHEN Yingtao, ZHANG Fade, JU Qi

2017, 45(4): 19-25. DOI: 10.3969/j.issn.1001-1986.2017.04.004

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Characteristics and provenance area of Luotuobozi sandstone in Taiyuan Xishan coalfield

WANG Jing, ZENG Fangui, TANG Dazhen, LI Song, MENG Yanjun

2017, 45(4): 26-30. DOI: 10.3969/j.issn.1001-1986.2017.04.005

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Optimization of borehole layout parameters based on fracturing technology of liquid CO₂ phase

LI Haojun, WANG Zhaofeng, CHEN Xi'en, ZHAO Long, ZHOU Dachao

2017, 45(4): 31-37,43. DOI: 10.3969/j.issn.1001-1986.2017.04.006

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Lower Cretaceous coal-forming environment in Huhehu depression in Hailar basin

LIU Qiuhong

2017, 45(4): 38-43. DOI: 10.3969/j.issn.1001-1986.2017.04.007

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Enrichment characteristics of associated elements of Late Permian coal and coal ash from Pu'an and Qinglong coal mining area in Guizhou Province

TAO Zhenpeng, YANG Ruidong, CHENG Wei, LUO Rui

2017, 45(4): 44-51. DOI: 10.3969/j.issn.1001-1986.2017.04.008

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Calculation of water influx in interlayer of coal reservoir and controlled CBM reserves

HUANG Zijun, FENG Qing, WANG Tao, TIAN Miao, DI Guirong, GAO Jie

2017, 45(4): 52-55. DOI: 10.3969/j.issn.1001-1986.2017.04.009

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Difference of CBM development conditions in Shouyang and Shizhuang blocks, Qinshui basin

WANG Jin, KANG Yongshang, JIANG Shanyu, ZHANG Bing, GU Jiaoyang

2017, 45(4): 56-62. DOI: 10.3969/j.issn.1001-1986.2017.04.010

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Characteristics of CBM reservoirs and exploration potential in Jiergalangtu sag of Erlian basin

WANG Shuai, SHAO Longyi, SUN Qinping, HOU Haihai, GAO Shuang, LU Jing, SUN Bin

2017, 45(4): 63-69. DOI: 10.3969/j.issn.1001-1986.2017.04.011

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Study on coalbed methane reservoir dominant flow direction based on interference well test

DONG Yintao, ZHANG Suian, LIANG tao, SUN Yanming, DAI Libing, ZHANG Biao

2017, 45(4): 70-75. DOI: 10.3969/j.issn.1001-1986.2017.04.012

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Control of effective stress on permeability in high-rank coal reservoirs

CHEN Shida, TANG Dazhen, GAO Lijun, XU Hao, ZHAO Junlong, TAO Shu

2017, 45(4): 76-80. DOI: 10.3969/j.issn.1001-1986.2017.04.013

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Technology of CBM extraction in the crushed and soft coal seam in Luling coal mine

LI Bingang

2017, 45(4): 81-84,93. DOI: 10.3969/j.issn.1001-1986.2017.04.014

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Chemical characteristics of groundwater in Fengyu mine and their significance

XING Shiping, HU Youbiao, WU Yaping, FAN Tingyu, LI Wenjun

2017, 45(4): 85-93. DOI: 10.3969/j.issn.1001-1986.2017.04.015

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Stability analysis and ecological management of the Maerdang highway slope

HAN Kun

2017, 45(4): 94-96,101. DOI: 10.3969/j.issn.1001-1986.2017.04.016

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Variation characteristics of mine inflow during mining of deep buried coal seams in Shaanxi and Inner Mongolia contiguous area

YANG Jian, LIANG Xiangyang, DING Xiang

2017, 45(4): 97-101. DOI: 10.3969/j.issn.1001-1986.2017.04.017

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3D numerical simulation of melting temperature field of cement-improved soil cup-shaped frozen soil wall

WANG Xiaobin, HU Jun, JU Jun

2017, 45(4): 102-106,111. DOI: 10.3969/j.issn.1001-1986.2017.04.018

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Example of mine water chemical data management and comprehensive application

LYU Yuguang

2017, 45(4): 107-111. DOI: 10.3969/j.issn.1001-1986.2017.04.019

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Risk assessment of water inrush of No.11 coal seam floor in Hancheng mining area on the basis of vulnerability index method

DAI Gelian, XUE Xiaoyuan, XU Ke, NIU Chao, YANG Tao

2017, 45(4): 112-117,125. DOI: 10.3969/j.issn.1001-1986.2017.04.020

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Health risk assessment of water environment of coal mining subsidence area in Panyi coal mine of Huainan

CHEN Jun, DONG Shaochun, YIN Hongwei, REN Yongle, YAO Suping

2017, 45(4): 118-125. DOI: 10.3969/j.issn.1001-1986.2017.04.021

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Test of water migration of remolded loess under temperature variation

YE Wanjun, LIU Zhongxiang, YANG Gengshe, ZHAO Zhipeng

2017, 45(4): 126-130. DOI: 10.3969/j.issn.1001-1986.2017.04.022

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Suitable algorithm of transient electromagnetic turn-off effects and whole-stage apparent resistivity

CHEN Mingsheng, XU Yangcheng

2017, 45(4): 131-134. DOI: 10.3969/j.issn.1001-1986.2017.04.023

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Effect of deep hole blasting for rock burst prevention and control in suberect and extremely thick coal seams

LI Shiwei, ZHANG Hongwei, RONG Hai, KANG Zhen

2017, 45(4): 135-140. DOI: 10.3969/j.issn.1001-1986.2017.04.024

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Three-parameter AVO inversion based on Gray equation and prediction of CBM enrichment zone

YANG Chenming

2017, 45(4): 141-143,148. DOI: 10.3969/j.issn.1001-1986.2017.04.025

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Error correction of MEMS acceleration sensor used for trajectory measurement while drilling system

YAN Bin

2017, 45(4): 144-148. DOI: 10.3969/j.issn.1001-1986.2017.04.026

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Study on advanced scanning detection technology of dual-frequency induced polarization method with multi-point current sources in coal mine roadway

LIU Zhimin, HAN Lei, ZHANG Weijie, WU Miao

2017, 45(4): 149-156,162. DOI: 10.3969/j.issn.1001-1986.2017.04.027

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The pilot study on start pressure of the air compressor during the air-lift reverse circulation drilling

WANG Hua, HAO Shijun, MO Haitao

2017, 45(4): 157-162. DOI: 10.3969/j.issn.1001-1986.2017.04.028

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Research and application of wire-line coring drilling tools for shallow hole in heterogeneous layers

ZHOU Yun, ZHANG Shaohe

2017, 45(4): 163-169. DOI: 10.3969/j.issn.1001-1986.2017.04.029

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Friction loss calculation and wellhead pressure prediction in CBM radial drilling

ZHANG Biao, ZHANG Suian, DONG Yintao, SUN Yanming, DU Yao

2017, 45(4): 170-174. DOI: 10.3969/j.issn.1001-1986.2017.04.030

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