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1. 发明公开

EP2771537A4 A DOWNHOLE TOOL 有权转让
标题翻译： BOHRLOCHWERKZEUG
公开(公告)号：EP2771537A4
公开(公告)日：2015-11-25
申请号：EP12843707
申请日：2012-10-26
申请人： PEAK WELL SERVICES PTY LTD
发明人： MANSON DAVID
IPC分类号： E21B29/04 , E21B23/00 , E21B23/14 , E21B29/00 , E21B31/00 , E21B31/107
CPC分类号： E21B29/04
摘要： A downhole tool mechanism for applying a driving force, such as a cutter tool for cutting a line captured within the tool, comprises a resiliently compressible member for storing a compressive force; a retaining device for maintaining storage of the compressive force until released; a trigger mechanism for releasing the compressive force when the trigger mechanism is activated. In one form the resiliently compressible member comprises a plurality of concentrically arranged spring washers each having a radial slot therein for receiving a line along the length of the resiliently compressible member. In the cutter form, there is a cutter arranged to cut the line when the trigger mechanism is activated, and the trigger mechanism is activated when the tool receives a shock force to one or both ends.
摘要翻译：用于施加驱动力的井下工具机构，例如用于切割在工具内捕获的线的切割工具，包括用于存储压缩力的弹性可压缩构件; 用于保持压缩力的储存直到释放的保持装置; 触发机构，用于当触发机构启动时释放压缩力。在一种形式中，弹性可压缩构件包括多个同心布置的弹簧垫圈，每个弹性垫圈在其中具有径向狭槽，用于沿着弹性可压缩构件的长度容纳线。在切割器形式中，存在切割器，其布置成当触发机构被启动时切割线，并且当工具接收到一端或两端的冲击力时，触发机构被激活。

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