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    Bottom plug for forming a mono diameter wellbore casing
    5.
    发明申请
    Bottom plug for forming a mono diameter wellbore casing 有权

    公开(公告)号：US20060065403A1

    公开(公告)日：2006-03-30

    申请号：US10528497

    申请日：2003-09-22

    申请人： Brock Watson ,  David Brisco

    发明人： Brock Watson ,  David Brisco

    IPC分类号： E21B43/10 ,  E21B19/16

    CPC分类号： E21B43/105 ,  E21B43/103

    摘要： A bottom plug and a method of using a bottom plug for forming a mono diameter wellbore casing is provided that includes an expandable packer initially attached below an expansion device. A packer setting mechanism is coupled between the expansion device and the expandable packer for expanding the expandable packer and sealingly setting it in an expanded portion of the wellbore casing. A release mechanism is coupled between the expansion device and the expandable bottom packer for releasing expandable bottom packer from the expansion device. Fluid is pumped into the wellbore casing between the cone and the set expandable bottom packer to facilitate forcing the expansion device into and through an unexpanded portion of the wellbore casing, thereby expanding the casing.

    Mono diameter wellbore casing
    6.
    发明申请
    Mono diameter wellbore casing 审中-公开
    单筒直径井筒套管

    公开(公告)号：US20060054330A1

    公开(公告)日：2006-03-16

    申请号：US10528219

    申请日：2003-09-22

    申请人： Lev Ring ,  Brock Watson ,  David Brisco

    发明人： Lev Ring ,  Brock Watson ,  David Brisco

    IPC分类号： E21B43/10

    CPC分类号： E21B43/105

    摘要： An apparatus for radially expanding and plastically deforming an expandable tubular members to form a mono diameter wellbore casing includes an adjustable expansion assembly having a first diameter for forming a bell portion of in each tubular member and a second diameter for forming a mono diameter portion that nests into the bell portion of the preceding tubular member.

    摘要翻译： 一种用于使可膨胀管状构件径向膨胀和塑性变形以形成单口井筒壳体的装置包括：可调节膨胀组件，其具有用于形成每个管状构件中的钟形部分的第一直径和用于形成嵌套的单直径部分的第二直径 进入前一管状构件的钟形部分。

    Cutter for wellbore casing
    9.
    发明申请
    Cutter for wellbore casing 审中-公开
    井筒套管切割机

    公开(公告)号：US20060137877A1

    公开(公告)日：2006-06-29

    申请号：US10528221

    申请日：2003-09-22

    申请人： Brock Watson ,  David Brisco

    发明人： Brock Watson ,  David Brisco

    IPC分类号： E21B29/00

    CPC分类号： E21B29/005 ,  E21B43/105

    摘要： A cutter for a wellbore casing is provided that includes a rotatable tubular support, at least one cutter blade supported on the rotatable tubular support, having a retracted position for insertion into the wellbore casing and having an expanded position for cutting engagement with the wellbore casing, and an actuator for moving the cutter blade from the retracted position to the expanded position for cutting engagement with the wellbore casing.

    摘要翻译： 提供了一种用于井筒壳体的切割器，其包括可旋转的管状支撑件，支撑在可旋转管状支撑件上的至少一个切割刀片，具有用于插入井筒壳体中的缩回位置并且具有用于切割与井筒壳体接合的扩展位置， 以及致动器，用于将切割刀片从缩回位置移动到扩展位置，以切割与井筒壳体的接合。