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Sub-surface release plug assembly with primary and secondary release mechanisms

机译:具有主释放机构和次释放机构的地下释放塞组件

摘要

A sub-surface release plug assembly for use in cementing an outer casing annulus around a well casing comprising a top plug releasably connected to a drill string by a collet mechanism and a bottom plug releasably attached to the top plug by a sleeve assembly extending through the top plug. The assembly further comprises primary and secondary release means for releasing said plugs thereby ensuring that the plugs are released in said casing during cementing operations.
机译:一种用于在井筒周围固结外部套管环空的地下释放塞组件,该地下释放塞组件包括通过筒夹机构可释放地连接到钻柱的顶塞和通过延伸穿过井筒的套筒组件可释放地连接到顶塞的底塞。顶塞。该组件还包括用于释放所述塞子的主要和次要释放装置,从而确保在固井操作期间将塞子释放到所述套管中。

著录项

  • 公开/公告号US5392852A

    专利类型

  • 公开/公告日1995-02-28

    原文格式PDF

  • 申请/专利权人 HALLIBURTON COMPANY;

    申请/专利号US19920976110

  • 发明设计人 STEVEN N. ROLEN;DAVID F. LAUREL;

    申请日1992-11-16

  • 分类号E21B33/16;

  • 国家 US

  • 入库时间 2022-08-22 04:05:24

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