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    • 3. 发明申请
    • INTERVENTIONLESS SET PACKER AND SETTING METHOD FOR SAME
    • 无差异设定包装及其设定方法
    • US20120160521A1
    • 2012-06-28
    • US13168655
    • 2011-06-24
    • Jody Ray McGlothenMichael D. EzellRoderick Brand FalconerJames W. Scott
    • Jody Ray McGlothenMichael D. EzellRoderick Brand FalconerJames W. Scott
    • E21B33/128E21B23/06E21B33/12
    • H04N21/488E21B33/1285E21B33/1295H04N21/435H04N21/478
    • A packer (80) for establishing sealing engagement with a surface disposed in a wellbore includes a packer mandrel (90) and a seal assembly (100, 102, 104) slidably disposed about the packer mandrel (90). The seal assembly (100, 102, 104) has a running position and a radially expanded sealing position. A piston (122) is slidably disposed about the packer mandrel (90) and operably associated with the seal assembly (100, 102, 104). A release assembly 145 is disposed about the packer mandrel (90) and is releasably coupled to the piston (122) such that actuation of the release assembly (145) decouples the release assembly (145) from the piston (122) allowing the piston (122) to shift longitudinally relative to the packer mandrel (90) to operate the seal assembly (100, 102, 104) from the running position to the radially expanded sealing position, thereby setting the packer (80).
    • 用于与设置在井眼中的表面建立密封接合的封隔器(80)包括封隔器心轴(90)和围绕封隔器心轴(90)可滑动地设置的密封组件(100,102,104)。 密封组件(100,102,104)具有运行位置和径向膨胀的密封位置。 活塞(122)围绕封隔器心轴(90)可滑动地设置并且可操作地与密封组件(100,102,104)相关联。 释放组件145围绕封隔器心轴(90)设置并且可释放地联接到活塞(122),使得释放组件(145)的致动使释放组件(145)与活塞(122)脱离,允许活塞 122)相对于封隔器心轴(90)纵向移动,以将密封组件(100,102,104)从运行位置运动到径向膨胀的密封位置,由此设置封隔器(80)。