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Wellbore anchor and isolation system

机译:井筒锚固和隔离系统

摘要

Downhole tools for anchoring and isolating at least one zone in a wellbore comprise a mandrel having an upper end, a lower end, an outer wall surface, and a longitudinal bore disposed therethrough having an axis. One or more anchors are disposed through the outer wall surface of the mandrel. Each of the anchors has a retracted position and an extended position. An isolation element is disposed along the outer wall surface of the mandrel. The isolation element may cover the anchors or be disposed, above, below, or around the anchors. Engagement of the isolation element with the inner wall surface of the wellbore to isolate at least one zone of the wellbore may be accomplished by piercing the isolation element to permit wellbore fluid to contact a swellable material contained within the isolation element, or by pumping fluid into the isolation element.
机译:用于锚固和隔离井眼中的至少一个区域的井下工具包括心轴,该心轴具有上端,下端,外壁表面以及穿过其中的具有轴线的纵向孔。一个或多个锚固件穿过心轴的外壁表面布置。每个锚具有缩回位置和伸出位置。沿着心轴的外壁表面设置有隔离元件。隔离元件可以覆盖锚,或者设置在锚之上,之下或周围。隔离元件与井眼的内壁表面的接合以隔离井眼的至少一个区域可以通过刺穿隔离元件以允​​许井眼流体接触隔离元件内包含的可溶胀材料,或者通过将流体泵入而实现。隔离元素。

著录项

  • 公开/公告号GB2471789B

    专利类型

  • 公开/公告日2012-04-18

    原文格式PDF

  • 申请/专利权人 BAKER HUGHES INCORPORATED;

    申请/专利号GB20100016432

  • 发明设计人 BASIL J JOSEPH;ANTHONY P FOSTER;

    申请日2009-03-25

  • 分类号E21B23/04;E21B23/01;E21B33/12;E21B33/127;E21B33/129;

  • 国家 GB

  • 入库时间 2022-08-21 17:03:31

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