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    • 4. 发明申请
    • Method and apparatus for equalizing pressure with a wellbore
    • 用于与井筒平衡压力的方法和装置
    • US20070272415A1
    • 2007-11-29
    • US11804829
    • 2007-05-21
    • Lary RatliffTod StephensPatrick Hyde
    • Lary RatliffTod StephensPatrick Hyde
    • E21B33/035
    • E21B33/035E21B2034/007
    • A method, assembly and apparatus for equalizing pressure around a sealing device in a production or injection tree. The method includes coupling a circulating assembly to an oil field tree and forming an isolated region between a portion of the circulating assembly, a portion of the tree and a sealing device within the tree. Then, a circulating mechanism in the circulating assembly is adjusted to create a flow path between the interior of the circulating assembly and a location below the sealing device. When the pressure below the sealing device has substantially equalized with the pressure within the interior of the circulating assembly, the sealing device is removed through the circulating assembly. Further, remediation and production operations may be performed on wellbore tools or a subsurface formation below the tree.
    • 一种用于在生产或注射树中均衡密封装置周围的压力的方法,组件和装置。 该方法包括将循环组件耦合到油田树,并在循环组件的一部分,树的一部分和树内的密封装置之间形成隔离区域。 然后,循环组件中的循环机构被调节以在循环组件的内部和密封装置下方的位置之间产生流动路径。 当密封装置下面的压力基本上与循环组件内部的压力相等时,通过循环组件去除密封装置。 此外,可以在井下工具或树下的地下地层进行修复和生产操作。