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    • 2. 发明授权
    • Apparatus and method for hydraulically actuating a downhole device from a remote location
    • 用于从远程位置液压致动井下装置的装置和方法
    • US06349772B2
    • 2002-02-26
    • US09184844
    • 1998-11-02
    • Bryon D. MullenTommy F. Grigsby
    • Bryon D. MullenTommy F. Grigsby
    • E21B3312
    • E21B23/06E21B33/1285E21B33/1295
    • An apparatus (100) for actuating a hydraulically controllable device (102) disposed in a wellbore is disclosed. The apparatus (100) comprises a downhole hydraulic fluid source (134), a hydraulic fluid passageway (136) providing a communication path between the downhole hydraulic fluid source (134) and the hydraulically controllable device (102), a valve (144) disposed within the hydraulic fluid passageway (136) and a downhole electronics package (138). The downhole electronics package (138) receives a signal from the surface to operate the valve (144) from the closed position to the open position such that hydraulic pressure from the downhole hydraulic fluid source (134) actuates the hydraulically controllable device (102).
    • 公开了一种用于致动设置在井眼中的液压可控制装置(102)的装置(100)。 设备(100)包括井下液压流体源(134),提供井下液压流体源(134)和液压可控设备(102)之间的连通路径的液压流体通道(136),设置在阀 在液压流体通道(136)和井下电子组件(138)内。 井下电子装置(138)接收来自表面的信号,以将阀(144)从关闭位置操作到打开位置,使得来自井下液压流体源(134)的液压致动液压可控装置(102)。