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    • 22. 发明授权
    • Methods and apparatus for subsea well intervention and subsea wellhead retrieval
    • 海底井干预和海底井口检索的方法和装置
    • US08662182B2
    • 2014-03-04
    • US13649927
    • 2012-10-11
    • Weatherford/Lamb, Inc.
    • Thomas M. RedlingerAndrew AntoineMy LeRichard J. Segura
    • E21B29/12E21B23/00
    • E21B23/00E21B29/005E21B29/12E21B33/035E21B47/0001
    • The present invention generally relates to methods and apparatus for subsea well intervention operations, including retrieval of a wellhead from a subsea well. In one aspect, a method of performing an operation in a subsea well is provided. The method comprising the step of positioning a tool proximate a subsea wellhead. The tool has at least one grip member and the tool is attached to a downhole assembly. The method also comprising the step of clamping the tool to the subsea wellhead by moving the at least one grip member into engagement with a profile on the subsea wellhead. The method further comprising the step of applying an upward force to the tool thereby enhancing the grip between the grip member and the profile on the subsea wellhead. Additionally, the method comprising the step of performing the operation in the subsea well by utilizing the downhole assembly.
    • 本发明一般涉及用于海底井干预操作的方法和装置,包括从海底井检索井口。 在一个方面,提供了一种在海底井中执行操作的方法。 该方法包括将工具定位在靠近海底井口的步骤。 该工具具有至少一个夹紧构件,并且该工具附接到井下组件。 该方法还包括通过将至少一个把手构件与海底井口上的轮廓相接合来将工具夹紧到海底井口的步骤。 该方法还包括向工具施加向上的力的步骤,从而增强把手构件与海底井口上的轮廓之间的夹紧。 另外,该方法包括通过利用井下组件在海底井中进行操作的步骤。
    • 27. 发明申请
    • MULTIPLE ANNULUS UNIVERSAL MONITORING AND PRESSURE RELIEF ASSEMBLY FOR SUBSEA WELL COMPLETION SYSTEMS AND METHOD OF USING SAME
    • 多个通用通用监视和压力消除组件,用于下一个完整的系统及其使用方法
    • US20130062056A1
    • 2013-03-14
    • US13448118
    • 2012-04-16
    • Earl BroussardRichard Jolly
    • Earl BroussardRichard Jolly
    • E21B43/01E21B43/12
    • E21B47/1025E21B33/04E21B33/043E21B33/047E21B47/0001
    • A well completion system for monitoring multiple annuluses in a well, including an “A” annulus (between the production tubing and production casing) and a “B” annulus (between the production casing and intermediate casing). The system includes a tubing hanger suspension assembly that seals and separates an upper area of the production annulus. Port(s) in the production casing above the seal provide access between the “B” annulus and the separated area. The system also includes a moveable sleeve that allows fluid communication through the port(s) when in an open position, but not in a closed position. The tubing hanger suspension assembly includes means for moving the sleeve from the closed position to the open position. In addition, the tubing hanger housing includes “A” and “B” annulus passageways in communication with the production annulus and the separated area, respectively.
    • 一个完井系统,用于监测井中的多个环形,包括A环(生产管道和生产套管之间)和B环(生产套管和中间套管之间)。 该系统包括一个密封和分离生产环的上部区域的管道悬挂组件。 在密封件上方的生产套管中的端口提供了B环与分离区域之间的通路。 该系统还包括可移动套筒,当处于打开位置但不处于关闭位置时允许流体通过端口连通。 管道悬挂组件包括用于将套筒从关闭位置移动到打开位置的装置。 此外,管道衣架外壳分别包括与生产环带和分离区域连通的A和B环形通道。
    • 28. 发明授权
    • System and method for managing heave pressure from a floating rig
    • 用于管理浮式钻机起重压力的系统和方法
    • US08347982B2
    • 2013-01-08
    • US12761714
    • 2010-04-16
    • Don M. HanneganThomas F. BaileySimon J. Harrall
    • Don M. HanneganThomas F. BaileySimon J. Harrall
    • E21B19/09E21B17/07
    • E21B19/006B63B35/4413E21B7/12E21B19/09E21B21/08E21B33/064E21B33/085E21B34/04E21B47/0001E21B2021/006
    • A system compensates for heave induced pressure fluctuations on a floating rig when a drill string or tubular is lifted off bottom and suspended on the rig, such as when tubular connections are made during MPD, tripping, or when a kick is circulated out during conventional drilling. In one embodiment, a liquid and a gas interface moves along a flow line between a riser and a gas accumulator as the tubular moves up and down. In another embodiment, a pressure relief valve or adjustable choke allows the movement of fluid from the riser when the tubular moves down, and a pump with a pressure regulator moves fluid to the riser when the tubular moves up. In other embodiments, a piston connected with the rig or the riser telescoping joint moves in a fluid container thereby communicating fluid either into or out of the riser annulus.
    • 当钻杆或管状体从底部抬起并悬挂在钻机上时,例如当在MPD期间进行管状连接,跳闸或当在常规钻井期间踢出踢球时,系统补偿浮动钻机上的起伏感应压力波动 。 在一个实施例中,当管状物上下移动时,液体和气体界面沿提升管和气体储存器之间的流动线路移动。 在另一个实施例中,当管状物向下移动时,压力释放阀或可调节的扼流圈允许流体从提升管移动,并且当管状物向上移动时,具有压力调节器的泵将流体移动到提升管。 在其他实施例中,与钻机或提升管伸缩关节连接的活塞在流体容器中移动,从而将流体连通或流出提升管环。
    • 30. 发明申请
    • METHOD AND APPARATUS FOR MONITORING FLUIDS
    • 用于监测流体的方法和装置
    • US20120160329A1
    • 2012-06-28
    • US13379087
    • 2010-06-18
    • Hugh MacKenzieRobert Bain
    • Hugh MacKenzieRobert Bain
    • F17D1/00G01N15/06G01N37/00F16K15/00G01J3/28G06F19/00G08B21/00G01N11/00G01N25/00
    • E21B47/0001E21B43/01Y10T137/0318Y10T137/7837
    • A method and apparatus for monitoring a fluid that is to be transported through a fluid conduit within a hydrocarbon exploration and production installation is described. A monitoring zone is established upstream of the fluid conduit configured such the fluid supply to the fluid conduit is introduced via the monitoring zone. The fluid supply within the monitoring zone is monitored for the occurrence of events detrimental to the flow of the fluid supply through the fluid conduit. Monitoring the fluid supply prior to entering the fluid conduit allows for the early detection of an event detrimental to the flow of the fluid supply e.g. a chemical reaction indicative of corrosion of the fluid conduit or the formation of a potential blockage within the fluid conduit. In this way the risk of costly blockages or structural failure occurring within the fluid conduit is reduced.
    • 描述了用于监测待通过烃勘探和生产设备内的流体导管输送的流体的方法和装置。 在流体导管的上游建立监测区域,构造成通过监测区域引入流体导管的流体供应。 监测监控区域内的流体供应是通过流体导管对流体供应流量的不良事件的发生情况进行监测的。 在进入流体管道之前监测流体供应可以早期检测到对流体供应流量有害的事件,例如, 指示流体导管的腐蚀或在流体导管内形成潜在堵塞的化学反应。 以这种方式,降低了在流体管道内发生的昂贵的堵塞或结构故障的风险。