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    • 2. 发明申请
    • ANCHORING SEAL
    • 锚固密封
    • WO2012112825A3
    • 2013-03-07
    • PCT/US2012025533
    • 2012-02-16
    • WEATHERFORD LAMBTURLEY ROCKY AGIVENS GEORGELIRETTE BRENT JLE HUY V
    • TURLEY ROCKY AGIVENS GEORGELIRETTE BRENT JLE HUY V
    • E21B33/12E21B43/10
    • E21B33/128E21B23/06E21B33/1216E21B33/1291E21B33/1293E21B33/1295E21B43/10E21B43/103E21B43/105Y10T29/49826
    • The present invention generally relates to an anchor seal for an expandable tubular assembly. In one aspect, an anchoring seal assembly for creating a seal portion and an anchor portion between a first tubular that is disposed within a second tubular is provided. The anchoring seal assembly includes an expandable annular member attached to the first tubular. The annular member has an outer surface and an inner surface. The anchoring seal assembly further includes a seal member disposed in a groove formed in the outer surface of the expandable annular member. The seal member has one or more anti-extrusion spring bands embedded within the seal member, wherein the outer surface of the expandable annular member adjacent the groove includes a rough surface. The anchoring seal assembly also includes an expander sleeve that is configured to radially expand the expandable annular member to create the seal portion and the anchor portion.
    • 本发明一般涉及一种用于可膨胀管状组件的锚固密封件。 在一个方面,提供了一种用于在第二管状物之间形成密封部分和锚定部分之间的锚定密封组件。 锚固密封组件包括附接到第一管状物的可膨胀环形构件。 环形构件具有外表面和内表面。 锚定密封组件还包括设置在形成在可膨胀环形构件的外表面中的凹槽中的密封构件。 密封构件具有嵌入在密封构件内的一个或多个抗挤压弹簧带,其中与凹槽相邻的可膨胀环形构件的外表面包括粗糙表面。 锚定密封组件还包括膨胀套筒,其被构造成径向扩张可膨胀环形构件以形成密封部分和锚定部分。