Magnetic retrieval apparatus
    1.
    发明授权

    公开(公告)号:US10208553B2

    公开(公告)日:2019-02-19

    申请号:US14532594

    申请日:2014-11-04

    IPC分类号: E21B31/06 E21B17/10 E21B37/00

    摘要: A downhole retrieval tool includes a mandrel; an inner sleeve disposed around the mandrel; a plurality of magnets coupled to the inner sleeve; and an outer sleeve disposed around the plurality of magnets, wherein the inner sleeve and the plurality of magnets are rotatable relative to the mandrel. In another aspect, an assembly tool for handling a magnet includes an anchor; a conveyance movable relative to the anchor; and a magnet holder coupled to the conveyance, wherein the magnet holder includes an arm for retaining the magnet.

    Downhole tool for debris removal
    3.
    发明授权
    Downhole tool for debris removal 有权
    用于碎屑清除的井下工具

    公开(公告)号:US09404329B2

    公开(公告)日:2016-08-02

    申请号:US13839632

    申请日:2013-03-15

    摘要: A downhole tool for use in a wellbore having a tool body with a blade assembly slidably mounted thereon and movable between a retracted and an outwardly extended position. The blade assembly is biased towards the retracted position and movable with an actuating force to the extended position. The tool includes an indexer constructed and arranged to facilitate movement of the blade assembly.

    摘要翻译: 一种用于井眼的井下工具,其具有工具主体,刀具组件可滑动地安装在其上并且可在缩回位置和向外延伸位置之间移动。 叶片组件被朝向缩回位置偏置并且可通过致动力移动到延伸位置。 该工具包括构造和布置成便于叶片组件移动的分度器。