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...

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Bibliographic Details
Main Authors: Yonglong Wang, Zaijiang Yu, Zhenfeng Wang
Format: Article
Language:English
Published: MDPI AG 2018-10-01
Series:Energies
Subjects:
Online Access:http://www.mdpi.com/1996-1073/11/10/2817