专利名称:DRILL STRING HANDLING
发明人:JONAS OLOF ANDERS HILDING,JAN EDVARD
PERSSON
申请号:AU7665674申请日:19741219公开号:AU7665674A公开日:19760624
摘要:An arrangement for the handling of drill string elements, such as tubes or rods,in drill rigs, comprising means for transferring the drill string elements between amagazine and the drill string axis, a drill string centralizer at the front end of anelongated support for guiding the drill string, a spinning device on said transferringmeans for gripping and rotating a drill string element, said means being adapted toaxially displace the drill string element during rotation thereof, and a sleeve brakemounted on the drilling machine for non-rotatably holding a coupling sleeve when theadapter of the drilling machine is disconnected from the drill string.
申请人:ATLAS COPCO AKTIEBOLAG
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