In order to solve the setting and releasing difficulties of the present packer for water plugging in the multiple zones, setting mechanism, locking mechanism, seal confirming mechanism, balanced protecting mechanism and releasing mechanism step-by-step of the releasing packer stage-by-stage are optimized design.

  • 针对现有多层堵水封隔器坐封难、解封难的问题,通过优化设计了逐级解封封隔器的坐封机构、锁紧机构、验封机构、平衡保护机构、逐级解封机构。

  • 互联网摘选 2025-01-20 11:43:05

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