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    • 6. 发明授权
    • Expander tool for use in a wellbore
    • 用于井筒的膨胀器工具
    • US07308944B2
    • 2007-12-18
    • US10680724
    • 2003-10-07
    • Gary JohnstonWayne RuddDavid HillisGary PendletonKevin Scott
    • Gary JohnstonWayne RuddDavid HillisGary PendletonKevin Scott
    • E21B23/04
    • 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。
    • 9. 发明申请
    • Coil Tube Injector System
    • 线管注射器系统
    • US20140305632A1
    • 2014-10-16
    • US14250156
    • 2014-04-10
    • Gary Pendleton
    • Gary Pendleton
    • E21B19/08
    • E21B19/22
    • A coil tube injector head comprising at least two gearbox units, wherein each gearbox unit drives a gripper assembly comprising a plurality of gripper assembly links. The gripper assembly links comprise a gripper surface that engages a length of coil tubing and one or more roller bearings that engage a bearing plate. The coil tube injector head further comprises a skid plate that is coupled to the bearing plate and receives pressure from one or more traction cylinders. The assembly of the claimed embodiments further allows for ease of maintenance and service of the coil tube injector by operators in the field of oil and gas production.
    • 包括至少两个齿轮箱单元的线圈管注射器头,其中每个齿轮箱单元驱动包括多个夹持器组件连杆的夹持器组件。 夹持器组件连接件包括接合一定长度的线圈管和与轴承板接合的一个或多个滚子轴承的夹持器表面。 线圈管注射器头还包括滑动板,其与轴承板联接并接收来自一个或多个牵引气缸的压力。 所要求保护的实施例的组件还允许操作者在油气生产领域中易于维护和维护线圈管喷射器。