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    • 6. 发明授权
    • Downhole vibratory tool
    • 井下振动工具
    • US07575051B2
    • 2009-08-18
    • US11111661
    • 2005-04-21
    • Carl W. StoeszRustom ModyMohan Soni
    • Carl W. StoeszRustom ModyMohan Soni
    • E21B28/00E21B31/00
    • E21B31/005
    • A vibratory tool for downhole use is capable of letting a wireline or other tools pass a passage therethrough that can be subsequently closed by landing a plug on a seat. The dump valve is disposed annularly about the central passage so that cycling the tool does not cause it to be slammed against a seat. Since only a plug is delivered to a passage the functioning parts already in the housing are made stronger to improve reliability. Additional power is delivered per stroke from modular stacked piston units. The tool can be run in a manner where the high amplitude low frequency oscillating forces are delivered to the stuck fish without impacts of the pistons on the housing.
    • 用于井下使用的振动工具能够使电缆或其他工具通过其中的通道,其随后可以通过将插头塞在座上而封闭。 排放阀围绕中心通道环形地设置,使得循环工具不会使其撞击座椅。 由于只有一个插头被传送到通道,所以已经在壳体中的功能部件变得更强,以提高可靠性。 模块式堆叠活塞单元每冲程提供额外的动力。 该工具可以以高振幅的低频振荡力被输送到卡住的鱼而不影响壳体上的活塞的方式运行。
    • 8. 发明申请
    • Apparatus and method of applying force to a stuck object in a wellbore
    • 对井眼中的卡住物体施加力的装置和方法
    • US20050257931A1
    • 2005-11-24
    • US11153822
    • 2005-06-15
    • Rustom ModyMohan SoniCarl Stoesz
    • Rustom ModyMohan SoniCarl Stoesz
    • E21B28/00E21B31/00
    • E21B31/005
    • An apparatus for applying a force to a stuck object in a wellbore comprises a work string extending in the wellbore. A vibrating string has a vibrator engaged with the stuck object. The vibrator drives the vibrating string to impart the force to the stuck object. An isolator associated with the work string and the vibrating string decouples a portion of a motion of the vibrating string from the work string. A method of applying a force to a stuck object in a wellbore comprises extending a work string in the wellbore from a surface location. A vibrating string is engaged with the stuck object. The vibrating string is driven at a frequency to apply the force to the stuck object. The work string is isolated from the vibrating string such that a portion of the motion of the vibrating string is decoupled from the work string.
    • 用于向井眼中的被卡住物体施加力的装置包括在井眼中延伸的工作串。 振动弦具有与被卡住的物体接合的振动器。 振动器驱动振动线以向被卡住的物体施加力。 与工作串和振弦相关联的隔离器将振动弦的运动的一部分与工作绳分离。 将力施加到井筒中的卡住物体的方法包括从表面位置延伸井筒中的工作串。 振动弦与被卡住的物体接合。 振动弦以一定的频率驱动,以将力施加到被卡住的物体上。 工作绳与振动绳隔离,使得振动弦的运动的一部分与工作绳分离。