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2. 发明申请

WO2017099789A1 WELLBORE ISOLATION DEVICE 审中-公开
标题翻译： WELLBORE隔离装置
公开(公告)号：WO2017099789A1
公开(公告)日：2017-06-15
申请号：PCT/US2015/065169
申请日：2015-12-11
申请人： HALLIBURTON ENERGY SERVICES, INC.
发明人： CLEMENS, Jack Gammill , HARDER, Nathan James , SMITH, Charles Timothy
IPC分类号： E21B33/12 , E21B33/128 , E21B34/06 , E21B17/00
CPC分类号： E21B33/134 , E21B33/1293 , E21B33/1294
摘要： A wellbore isolation device includes a tubular body having an inner bore formed longitudinally therethrough. A plurality of centralizing arms is radially extendible from the tubular body. At least one slip is radially extendible from the tubular body. A sealing assembly that is radially extendible from the tubular body is also included and disposed between the centralizing arms and the slip. The sealing assembly includes a radially extendible elastomeric sealing surface and an anti-extrusion device having at least two support members coupled to opposite longitudinal ends of the elastomeric sealing surface. An equalizing port is also included which is disposed in the tubular body and permits, when opened, fluidic communication between external the tubular body and the inner bore thereby equalizing the pressure between external the tubular body and the inner bore.
摘要翻译：井筒隔离装置包括具有纵向穿过其形成的内孔的管状主体。多个集中臂从管状体径向延伸。至少一个卡瓦从管状体径向延伸。从管状体径向延伸的密封组件也包括在中心臂和滑片之间。密封组件包括可径向延伸的弹性密封表面和具有至少两个支撑构件的防挤压装置，所述支撑构件联接到弹性密封表面的相对的纵向端部。还包括一个均衡端口，它设置在管状体中，并且当打开时允许管状体和内孔之间的流体连通，从而平衡管状体和内孔之间的压力。

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