Viscous torques characteristics in a self-rotating jet bit with silicone oil-controlled rotational speeds

Viscous torques characteristics in a self-rotating jet bit with silicone oil-controlled rotational speeds

Rock-breaking drilling using a self-rotating jet bit with a controllable speed can improve the efficiency of coalbed methane development using the water jet tree-type borehole technology. The viscous torque generated by filling silicone oil inside the bounded annular column of the bit can control th...

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Bibliographic Details
Main Authors: Zhaolong GE, Di ZHANG, Yiyu LU, Zhe ZHOU, Yuhuai CUI
Format: Article
Language:zho
Published: Editorial Office of Journal of China Coal Society 2024-11-01
Series:Meitan xuebao
Subjects:
coalbed methane
self-rotating jet bit
rotational speed control
rheological property
newtonian fluid
shear thinning fluid
Online Access:http://www.mtxb.com.cn/article/doi/10.13225/j.cnki.jccs.2024.0609
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