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...
Main Authors: | , , , , |
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Format: | Article |
Language: | English |
Published: |
SAGE Publishing
2019-11-01
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Series: | Energy Exploration & Exploitation |
Online Access: | https://doi.org/10.1177/0144598718787293 |