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    • 13. 发明授权
    • Releasable no-go tool
    • 可释放的免费工具
    • US06382323B1
    • 2002-05-07
    • US09531861
    • 2000-03-21
    • John C. GanoDavid J. Steele
    • John C. GanoDavid J. Steele
    • E21B2301
    • E21B23/02
    • A releasable no-go tool and associated methods provide enhanced capabilities in positioning an item of equipment in a wellbore. In a described embodiment, a releasable no-go tool includes a circumferentially continuous key which is radially outwardly displaced by a series of pistons. In use, the tool is interconnected in a tubing string, which is lowered into a casing string in a wellbore. The casing string has a nipple interconnected therein, the nipple having an internal profile. The tool is positioned below the nipple, pressure is applied to the tubing string to extend the key, and the tubing string is raised to thereby engage the key with the profile.
    • 可拆卸的不用工具和相关联的方法提供了将设备物品定位在井眼中的增强的能力。 在所描述的实施例中,可释放的脱开工具包括周向连续的钥匙,其通过一系列活塞径向向外移位。 在使用中,工具在油管柱中相互连接,油管柱被降低成井眼中的套管柱。 套管柱具有连接在其中的乳头,该乳头具有内部轮廓。 工具位于乳头下方,压力被施加到油管柱上以延伸钥匙,并且油管柱被升高从而使钥匙与型材接合。
    • 14. 发明授权
    • Self-releasing plug for use in a subterranean well
    • 用于地下井的自释塞
    • US08851180B2
    • 2014-10-07
    • US12881296
    • 2010-09-14
    • Jason D. DykstraJohn C. Gano
    • Jason D. DykstraJohn C. Gano
    • E21B34/08
    • E21B34/08
    • A flow control system for use in a subterranean well can include a flow chamber through which a fluid composition flows, and a plug which is released in response to an increase in a ratio of undesired fluid to desired fluid in the fluid composition. Another flow control system can include a flow chamber through which a fluid composition flows, a plug, and a structure which supports the plug, but which releases the plug in response to degrading of the structure by the fluid composition. Yet another flow control system can include a flow chamber through which a fluid composition flows, and a plug which is released in response to an increase in a velocity of the fluid composition in the flow chamber.
    • 用于地下井的流量控制系统可以包括流体组合物流过的流动室和响应于不期望的流体与流体组合物中所需流体的比例增加而释放的塞子。 另一个流量控制系统可以包括流体组合物流过的流动室,塞子和支撑塞子的结构,但是响应于由流体组合物降低结构而释放塞子。 另一个流量控制系统可以包括流体组合物流过的流动室和响应于流动室中的流体组合物的速度增加而释放的塞子。
    • 17. 发明授权
    • Well screen inflow control device with check valve flow controls
    • 具有止回阀流量控制的屏幕流入控制装置
    • US08474535B2
    • 2013-07-02
    • US11958466
    • 2007-12-18
    • William M. RichardsJohn C. Gano
    • William M. RichardsJohn C. Gano
    • E21B34/08
    • E21B43/12E21B34/06E21B34/063
    • A well screen inflow control device with check valve flow controls. A well screen assembly includes a filter portion and a flow control device which varies a resistance to flow of fluid in response to a change in velocity of the fluid. Another well screen assembly includes a filter portion and a flow resistance device which decreases a resistance to flow of fluid in response to a predetermined stimulus applied from a remote location. Yet another well screen assembly includes a filter portion and a valve including an actuator having a piston which displaces in response to a pressure differential to thereby selectively permit and prevent flow of fluid through the valve.
    • 具有止回阀流量控制的井眼流入控制装置。 井筛组件包括过滤器部分和流量控制装置,其响应于流体速度的变化而改变流体的流动阻力。 另一井眼组件包括过滤器部分和流阻装置,其响应于从远程位置施加的预定刺激而降低流体流动的阻力。 另一个井筛组件包括过滤器部分和阀,其包括具有响应于压力差而移位的活塞的致动器,从而选择性地允许和防止流体流过阀。