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Articles (22)

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1-10 of 22 results for close coal seams

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Select article: Floor failure depth of upper coal seam during close coal seams mining and its novel detection method

Open access

Research article

First published 2018-9

Floor failure depth of upper coal seam during close coal seams mining and its novel detection method

Wei Zhang, Dongsheng Zhang, Dahong Qi [...]

Energy Exploration & Exploitation

Select article: Roof breaking characteristics and mining pressure APPEARANCE laws in close distance COAL seams

Open access

Research article

First published 2023-3

Roof breaking characteristics and mining pressure APPEARANCE laws in close distance COAL seams

Xuping Li, Yanqing Liu, Xiaopeng Ren [...]

Energy Exploration & Exploitation

Select article: Comprehensive technical support for safe mining in ultra-close coal seams: A case study

Open access

Research article

First published 2021-7

Comprehensive technical support for safe mining in ultra-close coal seams: A case study

Wei Zhang, Jiawei Guo, Kaidi Xie [...]

Energy Exploration & Exploitation

Select article: Overlying strata movement with ground penetrating radar detection in close-multiple coal seams mining

Open access

Research article

First published 2019-8

Overlying strata movement with ground penetrating radar detection in close-multiple coal seams mining

Yang Li, Jiachen Wang, Yiding Chen [...]

International Journal of Distributed Sensor Networks

Select article: Research and application of Gob-Side entry retaining with roof presplitting under residual coal pillar of upper coal seam

Open access

Research article

First published 2022-9

Research and application of Gob-Side entry retaining with roof presplitting under residual coal pillar of upper coal seam

Xichun Tian, Jiong Wang, Guangyuan Yu [...]

Energy Exploration & Exploitation

Select article: Evolution of mining stress field and the control technology of stress relief gas in close distance coal seam

Open access

Research article

First published 2022-11

Evolution of mining stress field and the control technology of stress relief gas in close distance coal seam

Hui Cheng, Hongbao Zhao, Dongliang Ji [...]

Energy Exploration & Exploitation

Select article: Surface Pre-Grouting Borehole Arrangement and Division of the Broken Roof of the Lower Seam of a Bifurcated Coal Seam

Open access

Research article

First published 2023-3

Surface Pre-Grouting Borehole Arrangement and Division of the Broken Roof of the Lower Seam of a Bifurcated Coal Seam

Xiaorong Zhai, Yaoshan Bi, Ru Hu [...]

Energy Exploration & Exploitation

Select article: Coalbed Methane Resources and Reservoir Characteristics of NO. II 1 Coal Seam in the Jiaozuo Coalfield,China

Free access

Research article

First published 2009-10

Coalbed Methane Resources and Reservoir Characteristics of NO. II 1 Coal Seam in the Jiaozuo Coalfield,China

Xiaodong Zhang, Yanhao Liu, Geoff Wang [...]

Energy Exploration & Exploitation

Select article: Vertical coalbed gas content distribution in the Walloon Subgroup of Daandine gas field and its geological controls

Open access

Research article

First published 2024-5

Vertical coalbed gas content distribution in the Walloon Subgroup of Daandine gas field and its geological controls

Zehong Cui, Wensong Huang, Zheng Zhang [...]

Energy Exploration & Exploitation

Select article: Investigation of the behavior of vertical fracture penetration/deflection at the interface between coal seam and mudstone layers

Retricted access

Research article

First published 2019-2

Investigation of the behavior of vertical fracture penetration/deflection at the interface between coal seam and mudstone layers

Yang Huanqiang, Zhao Hui

Strength,Fracture and Complexity

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