Design and Research on the Drilling and Lifting Device of Coalbed Methane Drilling Machine

In response to the problems of complex operation procedures, long auxiliary time, and impact on drilling efficiency in coalbed methane drilling construction, a fast tripping and lifting device for coalbed methane drilling rig is designed. The device has a compact and reasonable structure, and strong...

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Bibliographic Details
Published inE3S web of conferences Vol. 573; p. 2017
Main Author Liu, Qi
Format Journal Article Conference Proceeding
LanguageEnglish
Published Les Ulis EDP Sciences 01.01.2024
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