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    • 1. 发明申请
    • WELL TOOLS UTILIZING SWELLABLE MATERIALS ACTIVATED ON DEMAND
    • 使用激活的需求的易腐蚀材料的良好工具
    • WO2010111076A2
    • 2010-09-30
    • PCT/US2010/027561
    • 2010-03-17
    • HALLIBURTON ENERGY SERVICES, INC.SOLHAUG, KristianSEVRE, Alf, K.KALMAN, Mark, D.
    • SOLHAUG, KristianSEVRE, Alf, K.KALMAN, Mark, D.
    • E21B33/12E21B23/06
    • E21B41/00E21B23/06E21B33/1208
    • A well tool includes a generally tubular mandrel with a flow passage extending longitudinally through the mandrel, and a flow controller which initially prevents a fluid from contacting a swellable material, but which permits the fluid to contact the material in response to manipulation of pressure in the flow passage. Another well tool includes a swellable material, a generally tubular mandrel, and a conduit wrapped circumferentially about the mandrel, the conduit containing a fluid which, upon contact with the swellable material, causes the material to swell. A method of actuating a well tool in a well includes manipulating pressure in a flow passage extending through a tubular string, thereby opening at least one flow control device of the well tool which selectively permits fluid communication between a reservoir of the well tool and a swellable material of the well tool, whereby a fluid in the reservoir contacts the swellable material.
    • 井工具包括具有纵向延伸穿过心轴的流动通道的大致管状心轴,以及流动控制器,其初始地防止流体接触可膨胀材料,但是允许流体响应于在 流通道 另一个井工具包括可膨胀材料,大体上管状的心轴和围绕心轴周向缠绕的管道,该管道包含与膨胀材料接触导致材料膨胀的流体。 致动井中的井具的方法包括操纵延伸穿过管柱的流动通道中的压力,从而打开井工具的至少一个流量控制装置,其选择性地允许井工具的储存器与可膨胀的 油井工具的材料,由此储存器中的流体接触可溶胀材料。
    • 4. 发明申请
    • WELL TOOLS UTILIZING SWELLABLE MATERIALS ACTIVATED ON DEMAND
    • 使用激活的需求的易损材料的良好工具
    • WO2010111076A3
    • 2011-01-13
    • PCT/US2010027561
    • 2010-03-17
    • HALLIBURTON ENERGY SERV INCSOLHAUG KRISTIANSEVRE ALF KKALMAN MARK D
    • SOLHAUG KRISTIANSEVRE ALF KKALMAN MARK D
    • E21B33/12E21B23/06
    • E21B41/00E21B23/06E21B33/1208
    • A well tool includes a generally tubular mandrel with a flow passage extending longitudinally through the mandrel, and a flow controller which initially prevents a fluid from contacting a swellable material, but which permits the fluid to contact the material in response to manipulation of pressure in the flow passage. Another well tool includes a swellable material, a generally tubular mandrel, and a conduit wrapped circumferentially about the mandrel, the conduit containing a fluid which, upon contact with the swellable material, causes the material to swell. A method of actuating a well tool in a well includes manipulating pressure in a flow passage extending through a tubular string, thereby opening at least one flow control device of the well tool which selectively permits fluid communication between a reservoir of the well tool and a swellable material of the well tool, whereby a fluid in the reservoir contacts the swellable material.
    • 井具包括具有纵向延伸穿过心轴的流动通道的大致管状心轴,以及流动控制器,该流动控制器最初防止流体接触可膨胀材料,但是允许流体响应于在 流通道 另一个井工具包括可溶胀材料,大体上管状的心轴和围绕心轴周向缠绕的导管,导管包含与膨胀材料接触导致材料膨胀的流体。 致动井中的井具的方法包括操纵延伸穿过管柱的流动通道中的压力,由此打开井工具的至少一个流量控制装置,其选择性地允许井工具的储存器与可膨胀的 油井工具的材料,由此储存器中的流体接触可溶胀材料。
    • 7. 发明申请
    • SWELLABLE PACKER WITH ENHANCED SEALING CAPABILITY
    • 具有增强密封能力的易撕包装
    • WO2008097312A1
    • 2008-08-14
    • PCT/US2007/061703
    • 2007-02-06
    • HALLIBURTON ENERGY SERVICES, INC.CHALKER, Christopher, J.SOLHAUG, Kristian
    • CHALKER, Christopher, J.SOLHAUG, Kristian
    • E21B33/12
    • E21B33/1208E21B33/13Y10T29/49826
    • A swellable packer with enhanced sealing capability. A packer assembly includes multiple seal elements, each seal element being swellable downhole, each seal element having at least one face inclined relative to a longitudinal axis of the assembly, and the inclined faces of adjacent seal elements contacting each other. A method of constructing a packer assembly having a desired differential pressure sealing capability includes: providing a base pipe and multiple seal elements, each seal element being swellable in a downhole environment, and each seal element having a predetermined differential pressure sealing capability less than the desired sealing capability; and after the desired sealing capability is determined, installing a selected number of the seal elements on the base pipe, so that the combined predetermined differential pressure sealing capabilities of the installed seal elements is at least as great as the desired sealing capability.
    • 具有增强密封能力的膨胀式封隔器。 封隔器组件包括多个密封元件,每个密封元件在井下可膨胀,每个密封元件具有相对于组件的纵向轴线倾斜的至少一个表面,并且相邻的密封元件的倾斜面彼此接触。 一种构建具有期望的压差密封能力的封隔器组件的方法包括:提供基管和多个密封元件,每个密封元件在井下环境中可溶胀,并且每个密封元件具有小于期望压力的预定压差密封能力 密封能力; 并且在确定所需的密封能力之后,将选定数量的密封元件安装在基管上,使得所安装的密封元件的组合的预定压差密封能力至少等于所需的密封能力。