COAL GEOLOGY & EXPLORATION 2015 Vol. 43 No. 2

Geological control factors and characteristics of gas occurrence in Chongqing coal mining area

LI Hengle, CAO Yunxing, QIN Yong, QUAN Jihua, LI Dahua, WANG Zaiqing

2015, 43(2): 1-7,12. DOI: 10.3969/j.issn.1001-1986.2015.02.001

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Macromolecule structure evolution and CO origine of low rank bituminous coal in Kailuan mining area

XIAO Cangyan, WEI Chongtao, GUO Liwen, ZOU Mingjun

2015, 43(2): 8-12. DOI: 10.3969/j.issn.1001-1986.2015.02.002

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Sedimentary characteristics and coal resources exploration potential of Permian Shanxi Formation in the south of fault and fold belt in west margin of southern Ordos basin

MA Yonghui

2015, 43(2): 13-17. DOI: 10.3969/j.issn.1001-1986.2015.02.003

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Characteristics of gas occurrence under stepwise tectonic control in Pingdingshan mining area

YAN Jiangwei, ZHANG Yuzhu, WANG Wei

2015, 43(2): 18-23. DOI: 10.3969/j.issn.1001-1986.2015.02.004

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Concealed small fault forecasting based on Matlab and coal seam gas drainage borehole

CUI Hongqing, DING Zhiwei

2015, 43(2): 24-27. DOI: 10.3969/j.issn.1001-1986.2015.02.005

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Selection of the favorable coalbed methane(CBM) blocks in eastern Ordos basin

LI Guihong

2015, 43(2): 28-32. DOI: 10.3969/j.issn.1001-1986.2015.02.006

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Calculation of free gas content of low rank coal reservoirs: a case study of the southeast margin of Junggar basin

JIA Bingyi, JIN Xianglan, LI Jianwu, WU Xinbo, XU Jianjun

2015, 43(2): 33-36,43. DOI: 10.3969/j.issn.1001-1986.2015.02.007

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Reservoir-forming conditions and evaluation of favorabl area of shale gas in Niutitang Formation in northern Guizhou

GUO Man, LI Xianqing, ZHANG Mingyang, ZHANG Jizhen, DONG Zeliang, LIU Yang, NIU Haiyan, CAI Yueqi

2015, 43(2): 37-43. DOI: 10.3969/j.issn.1001-1986.2015.02.008

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Influence of fissure parameters on production capacity of shale gas horizontal wells considering slippage effect

LIANG Bing, DAI Yuanyuan, CHEN Tianyu, SUN Weiji, QIN Bing

2015, 43(2): 44-47. DOI: 10.3969/j.issn.1001-1986.2015.02.009

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Trajectory optimization design model of multi-branch horizontal well of coalbed methane

LI Changsheng, XU Shuguo, YANG Chuanshu, ZHANG Qiang, ZHANG Cheng, JING Mingmin

2015, 43(2): 48-52,57. DOI: 10.3969/j.issn.1001-1986.2015.02.010

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Distribution characteristics of fluorescent dissolved organic matter in different aquifers of Luotuoshan coal mine

WANG Shidong

2015, 43(2): 53-57. DOI: 10.3969/j.issn.1001-1986.2015.02.011

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The application of “three maps-two predictions” method based on GIS

LI Kun, ZENG Yifan, SHANG Yanjun, WU Qiang, HE Wantong

2015, 43(2): 58-62. DOI: 10.3969/j.issn.1001-1986.2015.02.012

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Water inrush risk evaluation of mining under pressure of Ordovician limestone water in Yuexu district in Tangshan mine

ZHOU Ze, ZHU Yanming

2015, 43(2): 63-66. DOI: 10.3969/j.issn.1001-1986.2015.02.013

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Dynamic monitoring of ecological environment of subsidence area of Liuqiao coal mining area in Northern Anhui

PEI Wenming, YAO Suping, DONG Shaochun, HU Kui, DUAN Zhongwen, WANG Jihua, PENG Longchao

2015, 43(2): 67-72. DOI: 10.3969/j.issn.1001-1986.2015.02.014

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Three-stage model of cement-waterglass grouting and its engineering application

ZHANG Keneng, HUANG Fei, AI Xiaojun, LIU Qiang, ZHANG Yunyi

2015, 43(2): 73-76,82. DOI: 10.3969/j.issn.1001-1986.2015.02.015

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Preparatory process of floor shock caused by unloading effect during excavation of coal roadway

XU Xuefeng, LIU Jun, ZHANG Yinliang

2015, 43(2): 77-82. DOI: 10.3969/j.issn.1001-1986.2015.02.016

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Research on seismic imaging of the lower part of coal seam

ZHANG Xianxu, YANG Guangming, CAI Wenrui, SUN Yongliang, ZHI Min

2015, 43(2): 83-85. DOI: 10.3969/j.issn.1001-1986.2015.02.017

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Discussion on elastic reflection and transmission coefficients of thin-bed and single interface models

ZHANG Chuan, YANG Chun, WANG Yun

2015, 43(2): 86-90. DOI: 10.3969/j.issn.1001-1986.2015.02.018

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Application of seismic sedimentology in sedimentary facies analysis in YB area

SHAN Rui, LI Yuanjie, WANG Qianyao

2015, 43(2): 91-95. DOI: 10.3969/j.issn.1001-1986.2015.02.019

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Calculation method and analysis of influence factors of the grounding resistance in electrical measurement

LIU Zhimin, LIU Xigao, DO Yibo, ZHANG Jintao, WU Miao

2015, 43(2): 96-100.105. DOI: 10.3969/j.issn.1001-1986.2015.02.020

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Technology and application of precise detection and drainage of goaf water by directional long borehole

FANG Jun, LU Jun, ZHANG Youzhen, SONG Hongjuan

2015, 43(2): 101-105. DOI: 10.3969/j.issn.1001-1986.2015.02.021

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Application of geosteering technology in construction of CBM horizontal well

SUN Dianjin, SUN Lei

2015, 43(2): 106-108. DOI: 10.3969/j.issn.1001-1986.2015.02.022

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