Directional drilling technology with mud pulse wireless MWD in underground coal mine

The directional drilling technology with mud pulse wireless MWD in coal mine was presented. We introduce the principle of the technology and analyze three key technologies: the wireless MWD with mud pulse, the compound directional drilling and the compound slag discharge with dual power, and integr...

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Bibliographic Details

Published in:	Meikuang Anquan
Main Author:	LI Quanxin, CHU Zhiwei, XU Chao, FANG Jun
Format:	Article
Language:	Chinese
Published:	Editorial Office of Safety in Coal Mines 2021-07-01
Subjects:	measurement while drilling (mwd) mud pulse compound drilling composite slag discharge directional drilling
Online Access:	https://www.mkaqzz.com/cn/article/id/7534