A Mechanical Model of Gas Drainage Borehole Clogging under Confining Pressure and Its Application
Drilling in a coal seam that has gas and coal outburst activities is closely related to the discharge of drill cuttings into a borehole. Due to the low effectiveness of slagging, there is a risk that the drilling equipment will be lost if the borehole contains too many drill cuttings, especially whe...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
MDPI AG
2018-10-01
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Series: | Energies |
Subjects: | |
Online Access: | http://www.mdpi.com/1996-1073/11/10/2817 |