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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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Bibliografiske detaljer
Hovedforfatter: LI Quanxin, CHU Zhiwei, XU Chao, FANG Jun
Format: Artigo
Sprog:Chinês
Udgivet: Editorial Office of Safety in Coal Mines 2021-07-01
Serier:Meikuang Anquan
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Online adgang:https://www.mkaqzz.com/cn/article/id/7534
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