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    • 2. 发明申请
    • TANGENTIALLY-LOADED HIGH-LOAD RETRIEVABLE SLIP SYSTEM
    • TANGENTITIY-LOADED HIGH-LOAD RETRIEVABLE SLIP SYSTEM
    • WO2009020951A3
    • 2009-04-16
    • PCT/US2008072184
    • 2008-08-05
    • BAKER HUGHES INCANDERSON GARY LGOMEZ LEOPOLDO S
    • ANDERSON GARY LGOMEZ LEOPOLDO S
    • E21B23/01E21B33/129
    • E21B33/129E21B23/01
    • A slip system includes a set of drive slips having wickers thereon, substantially all of which being truncated in cross-section; a set of gripping slips operatively interengagable with the set of drive slips; a drive slip end ring in operable communication with the set of drive slips; and a gripping slip end ring in operable communication with the set of gripping slips, the end rings capable of transmitting a load applied in an axial direction of the system to the set of gripping slips and the set of drive slips to tangentially load the set of drive slips and the set of gripping slips against each other thereby increasing a radial dimension of the system and distributing stresses created in a target tubular and method.
    • 滑移系统包括一组在其上具有搭接片的驱动滑动片,基本上所有滑动片的横截面被截断; 一组夹持卡瓦,其可与所述一组驱动卡瓦可操作地相互配合; 驱动滑动端环,其与该组驱动滑动件可操作地连通; 以及与所述一组夹持卡瓦可操作连通的夹持滑动端环,所述端环能够将沿所述系统的轴向方向施加的载荷传递到所述一组夹持卡瓦和所述一组驱动卡瓦以切向地加载所述一组 驱动滑动件和一组夹紧滑动件彼此抵靠,由此增加系统的径向尺寸并分配在目标管件和方法中产生的应力。
    • 5. 发明申请
    • COMPLIANT SWAGE
    • 合规性
    • WO2004079157A8
    • 2007-01-25
    • PCT/US2004002905
    • 2004-02-02
    • BAKER HUGHES INC
    • BAUGH JOHN LGOMEZ LEOPOLDO S
    • E21B43/10
    • E21B43/105
    • A compliant swage (A) has the ability to change shape to allow clearance of an obstruction while permitting expansion to go on in other areas removed from the obstruction. A series of segments (40, 42) move with respect to each other longitudinally to change overall size. The segments have an additional degree of freedom to change from a round profile of varying diameter to an oblong, elliptical, or an irregular shape so as to compensate in the portion that encounters an obstruction to let the swage pass while at the same time permitting the intended maximum expansion in other portions where conditions permit such expansion.
    • 符合标准的模具(A)具有改变形状以允许障碍物清除的能力,同时允许在从障碍物移除的其他区域中扩张。 一系列片段(40,42)相对于彼此纵向移动以改变整体尺寸。 这些片段具有从不同直径的圆形轮廓变为长方形,椭圆形或不规则形状的附加自由度,以便在遇到阻碍物的部分中补偿,以允许模具通过,同时允许 在条件允许这种扩展的其他部分中预期的最大膨胀。
    • 6. 发明申请
    • METHOD AND APPARATUS FOR ONE TRIP TUBULAR EXPANSION
    • 一种TRIP管扩张的方法和装置
    • WO03076763A9
    • 2004-06-03
    • PCT/US0307024
    • 2003-03-07
    • BAKER HUGHES INC
    • LYNDE GERALD DBAUGH JOHN LGOMEZ LEOPOLDO SDAVIS JOHN P
    • E21B4/18E21B43/10
    • E21B43/103E21B4/18E21B43/105
    • A one trip system for expanding a tubular (176) that is solid or perforated or a screen is disclosed. The downhole assembly features a hydraulic anchor (10) that can be set, released and repositioned to repeat the process is used. The anchor (10) is small enough to go through the tubular (176) or screen after initial expansion. The anchor's maximum extension is designed to avoid overstressing the already expanded tubular or screen. An expansion tool (180) is hydraulically driven with the initial portion of the stroke delivering an enhanced force, the expansion tool (180) initially supports the tubular or liner but subsequently releases during the first stroke, after the tubular or screen is fully supported.
    • 公开了一种用于扩展固体或穿孔的管状物(176)或屏幕的单行程系统。 井下组件具有液压锚(10),其可以被设置,释放和重新定位以重复所使用的过程。 锚(10)在初始膨胀后足够小以穿过管(176)或筛。 锚杆的最大伸长距离设计用于避免已经膨胀的管状或屏幕过度应力。 膨胀工具(180)由液压驱动,起始部分的行程提供增强的力,膨胀工具(180)最初支撑管状或衬套,但随后在管状或筛网被完全支撑之后在第一冲程期间释放。