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Overshot Tool and Method

机译：打捞工具和方法

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摘要

An overshot tool is provided for interconnecting and sealing between a lower tubular (C) in a well and an upper tubular (30). A tubular expander sleeve (36) and an overshot sleeve (26) are supported in a well on an upper tubular. The tool housing (60) encloses a plurality of axially stacked pistons (58, 68, 74), which generate an axial force to move the expander sleeve downward and radially expand a portion of a lower tubular to seal between an outer diameter of the lower tubular and an inner diameter of the overshot sleeve.

机译：提供一种打捞工具，用于在井中的下部管状物（C）和上部管状物（ 30 ）之间进行互连和密封。管状膨胀器套筒（ 36 ）和打捞筒（ 26 ）支撑在上部管状物的井中。工具壳体（ 60 ）包围多个轴向堆叠的活塞（ 58、68、74 ），这些活塞产生轴向力以使膨胀套向下移动并径向膨胀下管的一部分以密封在下管的外径和压射套筒的内径之间。 展开▼

著录项

公开/公告号US2011030971A1

专利类型

公开/公告日2011-02-10

原文格式PDF

申请/专利权人 BRITT O. BRADDICK;
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申请/专利号US20090536561

发明设计人 BRITT O. BRADDICK;
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申请日2009-08-06

分类号E21B29/00;E21B17/02;

国家 US

入库时间 2022-08-21 18:11:27

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