Measurement and simulation study on effective drainage radius of borehole along coal seam

A measurement study was conducted for the effective drainage radius of borehole along coal seam #9 of the Kaiyuan Coal Mine using the gas pressure method and gas flow method. The measurement results show that the effective drainage radius of borehole along coal seam #9 was 0.75 m, 27 days after drai...

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Bibliographic Details
Main Authors: Wei Qin, Jialin Xu, Guozhong Hu, Jie Gao, Guang Xu
Format: Article
Language:English
Published: SAGE Publishing 2019-11-01
Series:Energy Exploration & Exploitation
Online Access:https://doi.org/10.1177/0144598718787293