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    • 2. 发明授权
    • Modular time delay for actuating wellbore devices and methods for using same
    • 用于启动井眼装置的模块化时间延迟和使用它的方法
    • US07721650B2
    • 2010-05-25
    • US12062389
    • 2008-04-03
    • John A. BartonLyle W. Andrich
    • John A. BartonLyle W. Andrich
    • F42D1/06E21B43/25E21B43/263
    • F42D1/06E21B43/11857F42B3/10
    • An apparatus for controlling a wellbore energy train may include a firing head, a detonator cord associated with the firing head, and a plurality of serially aligned modules. Each module may include an enclosure, a first portion of a high order detonation material positioned at one end of the enclosure, a second portion of the high order detonation material positioned at the other end of the enclosure, and a low order detonation material interposed between the first portion and the second portion. A method for controlling an energy train generated in a wellbore may include serially aligning a plurality of the modules along the path of the energy train, and detonating at least one of the plurality of modules by detonating a detonator cord.
    • 用于控制井筒能量列的装置可以包括击发头,与击发头相关联的雷管,以及多个串联对准的模块。 每个模块可以包括外壳,定位在外壳一端的高阶引爆材料的第一部分,位于外壳另一端的高阶引爆材料的第二部分和介于 第一部分和第二部分。 用于控制在井眼中产生的能量列的方法可以包括沿着能量列的路径串联对准多个模块,并且通过引爆雷管引爆多个模块中的至少一个。
    • 8. 再颁专利
    • Production fluid control device and method for oil and/or gas wells
    • 用于油气井的生产流体控制装置和方法
    • USRE39209E1
    • 2006-08-01
    • US09949339
    • 2001-09-07
    • John A. Barton
    • John A. Barton
    • E21B34/10
    • E21B33/1295E21B34/063E21B34/103
    • A device and method for selectively controlling the flow of production fluid through a tubing string in an oil and gas well according to which a housing is connected to a tubing string for insertion into the well, and well fluid is passed from the ground surface into the housing. The housing is provided with a plug to establish well fluid pressure in the housing to actuate a packer and/or other ancillary devices. The plug can be removed from the hosing by increasing the pressure of the well fluid in the housing above a predetermined value, thus permitting the flow of production fluid from the formation zone, through the housing and the tubing string, and to the ground surface.
    • 一种用于选择性地控制生产流体通过油气井中的油管柱的流动的装置和方法,根据该油管和油井,壳体连接到用于插入井中的管柱,并且井流体从地面传递到 住房。 壳体设置有塞子,以在壳体中建立良好的流体压力以致动封隔器和/或其它辅助装置。 可以通过将壳体中的井流体的压力增加到高于预定值,从而使得生产流体从形成区域通过壳体和油管柱流到地面,从而可以将塞子从套管中移除。
    • 10. 发明授权
    • Oil well completion tool having severable tubing string barrier disc
    • 油井完井工具具有可分开的油管柱阻隔盘
    • US07533727B2
    • 2009-05-19
    • US11858561
    • 2007-09-20
    • John A. BartonMark BurrisDonald R. Hibler, Jr.Daniel O'HalloranJoel Wicoff
    • John A. BartonMark BurrisDonald R. Hibler, Jr.Daniel O'HalloranJoel Wicoff
    • E21B34/10
    • E21B34/063Y10T137/1699Y10T137/1744Y10T137/1759
    • An oil well completion tool having a tubular assembly defining an elongated main passage is adapted to be connected to a multiple-section tubing string within an oil well casing. A severable plug is mounted in the tubular assembly in normal blocking relationship to the passage. A movable shear cylinder unit has a plug-severing edge operable to sever an entire central segment of the plug from a remaining peripheral portion thereof. Separate hinge structure has an elongated U-shaped leg portion connected to the central segment of the plug. The leg portion of the hinge structure, which undergoes elongation, is operable to retain the severed central segment of the plug in the main passage while allowing the central segment of the plug to bodily shift independent of and in a direction away from the peripheral portion of the plug. The severed central segment is received in a recess therefor in the tubular assembly wall structure in order to prevent interference of the severed central plug segment with the main passage.
    • 具有限定细长主通道的管状组件的油井完井工具适于连接到油井套管内的多段油管柱。 可分离的塞子以与通道正常的阻挡关系安装在管状组件中。 可移动剪切筒单元具有可插拔切断边缘,其可操作以从其剩余的周边部分切断插塞的整个中心段。 单独的铰链结构具有连接到插头的中心部分的细长的U形腿部。 铰链结构的经历伸长的腿部可操作以将塞子的切断的中心段保持在主通道中,同时允许插塞的中心部分独立于远离外部部分 插头 切断的中心部分被容纳在管状组件壁结构的凹部中,以防止切断的中心塞段与主通道的干涉。