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    • 13. 发明授权
    • Expandable downhole tubular and method of use
    • 可扩展的井下管和使用方法
    • US07077196B2
    • 2006-07-18
    • US10423835
    • 2003-04-25
    • Wayne Rudd
    • Wayne Rudd
    • E21B43/10
    • E21B43/108E21B43/086E21B43/103
    • There is disclosed, in one embodiment of the invention an expandable downhole tubular (10) comprising an expandable inner support tube (14) an expandable outer tube (18); and a filter tube (22) located between said inner support tube (14) and said outer tube (18), the filter tube (22) comprising at least one filter portion (24) and at least one extendable portion (28) coupling axial edges of said filter portion (24), said extendable portion (28) being extendable to accommodate circumferential expansion of said filter tube (22).
    • 在本发明的一个实施例中,公开了一种可膨胀的井下管(10),其包括可膨胀的内支撑管(14),可膨胀的外管(18); 和位于所述内部支撑管(14)和所述外部管(18)之间的过滤管(22),所述过滤管(22)包括至少一个过滤器部分(24)和至少一个可延伸部分(28) 所述过滤器部分(24)的边缘,所述可延伸部分(28)可延伸以适应所述过滤管(22)的周向膨胀。
    • 16. 发明申请
    • Expander tool for use in a wellbore
    • 用于井筒的膨胀器工具
    • US20050072569A1
    • 2005-04-07
    • US10680724
    • 2003-10-07
    • Gary JohnstonWayne RuddDavid HillisGary PendletonKevin Scott
    • Gary JohnstonWayne RuddDavid HillisGary PendletonKevin Scott
    • E21B43/10E21B29/00
    • E21B43/105
    • The present invention generally relates to apparatus and methods for expanding a tubular. In one embodiment, an expander tool includes a body having at least one recess therein. An expansion assembly disposable in the at least one recess includes a piston that outwardly extends from the body in response to a radially outward force. The expansion assembly includes one or more rollers disposed on a shaft such that the rollers rotate at different speeds. In order to improve a rolling ratio, the shaft is arranged on the piston at an outward angle relative to a longitudinal axis of the tool. The expansion assembly is disposed along the tool at a skew to provide tractoring and reduce slippage due to axial movement. A bearing adjacent the roller and rotationally secured to the roller reduces roller heating and wear. In another aspect, methods for expanding a tubular within a wellbore are provided.
    • 本发明一般涉及用于使管状物膨胀的装置和方法。 在一个实施例中,膨胀器工具包括其中具有至少一个凹部的主体。 在该至少一个凹部中一次性的膨胀组件包括响应于径向向外的力而从主体向外延伸的活塞。 膨胀组件包括设置在轴上的一个或多个辊,使得辊以不同的速度旋转。 为了提高轧制比,轴相对于工具的纵向轴线以向外的角度布置在活塞上。 膨胀组件沿着工具以歪斜方式设置以提供牵引并且减少由于轴向运动引起的滑动。 靠近滚筒并旋转地固定到滚子的轴承减少了滚筒加热和磨损。 在另一方面,提供了用于在管井内扩张管的方法。
    • 19. 发明授权
    • Hydraulically assisted tubing expansion
    • 液压辅助管膨胀
    • US07350585B2
    • 2008-04-01
    • US10809275
    • 2004-03-25
    • Neil Andrew Abercrombie SimpsonWayne Rudd
    • Neil Andrew Abercrombie SimpsonWayne Rudd
    • E21B23/00
    • B21D26/033B21D31/04B21D39/20E21B43/105
    • A method of expanding tubing comprises applying a varying fluid pressure across the wall of the tubing. The variation in pressure may be achieved by varying one or both of the fluid pressure within the tubing and the fluid pressure externally of the tubing. A body of varying volume may be located in a volume of fluid associated with the tubing. Alternatively, the volume of a body of fluid associated with the tubing may be varied by movement of a wall portion defining a boundary of the volume, which wall portion may be associated with an oscillator or a percussive or hammer device. In other embodiments a pressurised fluid source may be provided, and the fluid may be supplied at varying pressure from the source. An increase in pressure within the tubing may be accompanied by a reduction in pressure externally of the tubing.
    • 膨胀管道的方法包括在管道的壁上施加变化的流体压力。 压力的变化可以通过改变管道内的流体压力和管道外部的流体压力之一或两者来实现。 不同体积的体可以位于与管道相关联的一定体积的流体中。 或者,与管道相关联的流体体积可以通过限定体积边界的壁部分的移动来改变,该壁部分可以与振荡器或冲击式或锤击装置相关联。 在其它实施例中,可以提供加压流体源,并且可以以来自源的变化的压力供应流体。 管道内压力的增加可伴随管道外部的压力降低。