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    • 1. 发明授权
    • Well barrier
    • 好屏障
    • US09297233B2
    • 2016-03-29
    • US13583353
    • 2011-03-10
    • Jeffrey Edwards
    • Jeffrey Edwards
    • E21B34/10E21B34/12E21B34/00
    • E21B34/14E21B34/10E21B34/102E21B34/12E21B2034/005
    • A well barrier for sealing a downhole conduit is described. The well barrier includes a housing defining a throughbore having a longitudinal axis, a valve actuator and a flapper valve. The flapper valve includes a flapper attached to the valve actuator. The flapper valve and the valve actuator are axially movable with respect to the housing in a direction parallel to the longitudinal axis. The flapper is adapted to move from one of a throughbore open and throughbore closed positions to the other of said open and closed positions when the actuator and flapper valve move a predetermined axial distance.
    • 描述了用于密封井下导管的良好屏障。 阱屏障包括限定具有纵向轴线的通孔的壳体,阀致动器和挡板阀。 挡板阀包括附接到阀致动器的挡板。 挡板阀和阀致动器在平行于纵向轴线的方向上相对于壳体可轴向移动。 当致动器和挡板阀移动预定轴向距离时,挡板适于从通孔打开和通孔闭合位置中的一个移动到所述打开和关闭位置中的另一个。
    • 2. 发明授权
    • Wellbore control device
    • 井筒控制装置
    • US09133680B2
    • 2015-09-15
    • US13805138
    • 2011-07-04
    • Jeffrey Edwards
    • Jeffrey Edwards
    • E21B33/06E21B33/064
    • E21B33/064E21B33/063
    • A wellbore control device for use in a blow out preventer is described. The control device comprising a housing defining a throughbore, a gate, the gate being movable between a throughbore open position and a throughbore closed position, a first stem attached to the gate and a second stem releasably engageable with the gate, the first and second stems being arranged such that a portion of each stem is exposed to an internal housing pressure and a portion of each stem is exposed to an external housing pressure. When the internal pressure is greater than the external pressure, the pressure differential results in a force being applied to the gate to move the gate to, or retain the gate in, the throughbore closed position.
    • 描述了用于防喷器的井眼控制装置。 所述控制装置包括限定通孔的壳体,门,所述门能够在通孔开放位置和通孔闭合位置之间移动;附接到所述门的第一杆和与所述门可释放地接合的第二杆,所述第一和第二杆 被布置成使得每个杆的一部分暴露于内部壳体压力,并且每个杆的一部分暴露于外部壳体压力。 当内部压力大于外部压力时,压力差会导致施加在闸门上的力,以使闸门移动至通孔闭合位置或将闸门保持在通孔闭合位置。
    • 8. 发明申请
    • Autonomous well intervention system
    • 自主井干预系统
    • US20050217844A1
    • 2005-10-06
    • US10506844
    • 2004-01-16
    • Jeffrey EdwardsGavin Cowie
    • Jeffrey EdwardsGavin Cowie
    • E21B33/035E21B33/038E21B33/076E21B19/00
    • E21B33/035E21B7/124E21B33/038E21B33/076
    • A self-contained well intervention system which can be deployed from a lightweight vessel and coupled directly to a wellhead is described. The system includes valve means for providing a suitable well barrier and sealing the intervention system to allow an emergency disconnect. Within the intervention system, a tool magazine is provided which contains at least one deployable intervention tool. The intervention system also contains a tool selection and deployment means based on a winch located in close proximity to the magazine and which is operable from the surface for selecting a particular tool from the magazine and for deploying the selected tool through the intervention system and the wellhead into the well. The tool magazine has a plurality of magazine pockets each of which may have a deployable tool therein. The tool selection and deployment means can be used to select and to join the selected tools together within the intervention system to form an intervention tool string which can be run into the wellhead so that a plurality of different operations can be performed within the well during an intervention.
    • 描述了可以从轻质容器部署并直接耦合到井口的独立的干预系统。 该系统包括用于提供合适的井壁并且密封干预系统以允许紧急断开的阀装置。 在干预系统中,提供了一个包含至少一个可部署干预工具的刀库。 干预系统还包含一个基于位于该仓库附近的绞盘的工具选择和部署装置,该绞盘可从该表面操作,用于从该杂物箱中选择特定工具,并用于通过干预系统和井口部署所选择的工具 进入井 工具仓具有多个杂志袋,每个可以在其中具有可展开的工具。 工具选择和部署手段可用于在干预系统内选择和连接所选择的工具,以形成能够进入井口的干预工具串,使得可以在井内进行多个不同的操作 介入。