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    • 8. 发明申请
    • Well Flow Control with Multi-Stage Restriction
    • 具有多级限制的井流控制
    • US20130213667A1
    • 2013-08-22
    • US13768431
    • 2013-02-15
    • Halliburton Energy Services, Inc.
    • Jean-Marc LopezLuke William HoldermanStephen Michael Greci
    • E21B43/12E21B43/08E21B34/06
    • E21B43/12E21B34/06E21B43/086
    • A well screen assembly includes a tubular base pipe. The base pipe has a sidewall aperture that communicates fluid between an interior central bore of the base pipe and an exterior of the base pipe. A filtration screen is around the base pipe. The filtration screen defines a lateral fluid passage along a axial length of the well screen assembly. A flow control device is coupled to the base pipe and the filtration screen. The flow control devices includes a ring sealing the lateral fluid passage from the central bore. An elongate restrictor passage is in the ring, oriented longitudinally. The elongate restrictor passage is configured to communicate fluid between the lateral fluid passage and the central bore. The restrictor passage includes an internal, square edged orifice defined by a fixed, annular protrusion. The annular protrusion extends inwardly from an interior surface of the restrictor passage.
    • 井筛组件包括管状基管。 基管具有侧壁孔,其在基管的内部中心孔和基管的外部之间连通流体。 过滤屏在基管周围。 过滤筛网沿着井筛组件的轴向长度限定侧向流体通道。 流量控制装置连接到基管和过滤网。 流量控制装置包括从中心孔密封侧向流体通道的环。 细长的限流器通道位于环中,纵向定向。 细长限流器通道构造成在侧向流体通道和中心孔之间连通流体。 限流器通道包括由固定的环形突起限定的内部正方形边缘孔口。 环形突起从限制器通道的内表面向内延伸。
    • 9. 发明申请
    • Well Screen with Extending Filter
    • 屏幕扩展滤镜
    • US20130092394A1
    • 2013-04-18
    • US13632206
    • 2012-10-01
    • Halliburton Energy Services, Inc.
    • Luke William HoldermanJean-Marc LopezAndrew David PennoJohn Fitzpatrick
    • E21B43/08E21B47/00
    • E21B43/108E21B34/08E21B43/08E21B47/12
    • A well screen assembly for a wellbore includes a base pipe and a filter assembly carried on the base pipe. The filter assembly has an internal passage in fluid communication with an opening through the base pipe. A swell material is carried in the base pipe between the filter assembly and the base pipe. The swell material is adapted to expand under specified conditions and displace the filter assembly radially toward a wall of the wellbore. A flow control device is provided in fluid communication between the internal passage of the filter assembly and the opening in the base pipe and is adapted to restrict communication of fluid with the opening in the base pipe. The well screen assembly can include a hydraulic, electric or optical communication line running axially through a length of the well screen assembly.
    • 用于井眼的井筛组件包括基管和承载在基管上的过滤器组件。 过滤器组件具有与通过基管的开口流体连通的内部通道。 在过滤器组件和基管之间的基管中承载膨胀材料。 膨胀材料适于在特定条件下膨胀并且将过滤器组件径向移向井眼的壁。 流量控制装置设置成在过滤器组件的内部通道和基管中的开口之间流体连通,并且适于限制流体与基管中的开口的连通。 井筛组件可以包括在井筒组件的一段长度上轴向延伸的液压,电或光通信线路。