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    • 2. 发明申请
    • TEMPERATURE-ACTIVATED SWELLABLE WELLBORE COMPLETION DEVICE
    • 温度激活的可膨胀的井眼完成装置
    • WO2011071618A3
    • 2011-08-18
    • PCT/US2010055281
    • 2010-11-03
    • SCHLUMBERGER CA LTDSCHLUMBERGER SERVICES PETROLSCHLUMBERGER HOLDINGSSCHLUMBERGER TECHNOLOGY BVPRAD RES & DEV LTDRYTLEWSKI GARYVAIDYA NITIN
    • RYTLEWSKI GARYVAIDYA NITIN
    • E21B33/12
    • E21B33/1208E21B23/06
    • Disclosed herein is a completion device that includes an interior layer that swells when exposed to a wellbore fluid; and an exterior layer encasing the interior layer and configured to be impermeable to the wellbore fluid at temperatures below an activation depth temperature, and configured to be permeable to the wellbore fluid at temperatures above the activation depth temperature. Also disclosed herein is a method of deploying a completion device that includes encasing an interior layer of the device in a temperature-sensitive exterior layer that is impermeable to a fluid in the wellbore at temperatures below an activation depth temperature; attaching the device on a tube string; inserting the tube string into the wellbore; creating a leak path in the temperature-sensitive exterior layer in response to the device being exposed to the activation depth temperature in the wellbore; and swelling the interior layer with the wellbore fluid.
    • 本文公开了一种完井装置,其包括当暴露于井筒流体时膨胀的内层; 以及外层,所述外层包围所述内层并且被配置为在低于活化深度温度的温度下对于所述井眼流体不可渗透,并且被配置为在高于所述活化深度温度的温度下能够渗透到所述井筒流体。 本文还公开了一种展开完井装置的方法,该方法包括:在温度低于活化深度温度的温度下,将该装置的内层包裹在温度敏感的外层中,该温度敏感的外层对井眼中的流体是不可渗透的; 将装置附接在管柱上; 将管柱插入井筒中; 响应于所述装置暴露于井筒中的活化深度温度而在所述温度敏感外层中产生泄漏路径; 并用井眼液膨胀内层。