Whipstock attachment to a fixed cutter drilling or milling bit
    9.
    发明授权
    Whipstock attachment to a fixed cutter drilling or milling bit 失效
    刀片夹连接到固定刀具钻孔或铣削钻头

    公开(公告)号:US08327944B2

    公开(公告)日:2012-12-11

    申请号:US12789416

    申请日:2010-05-27

    IPC分类号: E21B7/08

    CPC分类号: E21B12/00 E21B7/061

    摘要: An assembly is provided to attach a whipstock to a mill/drill bit. The assembly includes an upper collar adapted for installation around a shank of the mill/drill bit. At least one connecting member is mounted at a first end to the upper collar. The connecting member extends downwardly from the upper collar and is adapted to fit within a junkslot of the mill/drill bit to which the upper collar is attached. A whipstock attachment structure is mounted to a second end of the at least one connecting member.

    摘要翻译: 提供组件以将造斜器连接到磨/钻头。 组件包括适于安装在铣刀/钻头的柄部周围的上部套环。 至少一个连接构件在第一端安装到上衣领。 连接构件从上部套环向下延伸并且适于装配在上部套环附接到的磨机/钻头的排屑槽中。 造斜装置结构安装在至少一个连接件的第二端上。