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    • 4. 发明公开
    • Downhole steering apparatus
    • 井下转向装置
    • EP0185111A1
    • 1986-06-25
    • EP84115863.7
    • 1984-12-19
    • Traver Tool Company
    • Traver, Jack L.Palmer, Dale C.Hughes, Richard
    • E21B47/00E21B23/10E21B31/00E21B31/107
    • E21B31/00E21B23/10E21B31/1075E21B47/00
    • The downhole steering apparatus is used for downhole logging tools, in particular to allow the tool to avoid obstacles or to be freed when stuck. It includes a device for deviating from center and ultrasonic and low frequency vibrators. It may be supplemented by a special dislodging sub that operates on explosive power. A microprocessor unit in the apparatus monitors its position, analyses problem situations and controls the functions.
      The apparatus comprises

      a. a tool body
      b. steering means, including gate means on said tool body moveable between upward and downward positions for allowing fluid flow through a portion of said tool body;
      c. impeller means rotatably mounted within said tool body for directing said fluid flow through said gate means on said tool body;
      d. first means for imparting rotation to said impeller means; and
      e. second means for moving said gate means between said upward and downward positions.
    • 井下转向装置用于井下测井工具,特别是允许工具避免障碍物或在卡住时被释放。 它包括偏离中心和超声波和低频振动器的装置。 它可以由一个特殊的移动子系统来补充,这个子弹在爆炸力方面起作用。 设备中的微处理器单元监视其位置,分析问题情况并控制功能。 该装置包括a。 工具体b。 转向装置,包括所述工具主体上的门装置,可在上下位置之间移动,以允许流体流过所述工具主体的一部分; C。 叶轮装置可旋转地安装在所述工具主体内,用于引导所述流体流动通过所述工具主体上的所述浇口装置; 天。 用于向所述叶轮装置施加旋转的第一装置; 和e。 用于在所述向上和向下位置之间移动所述门装置的第二装置。
    • 5. 发明申请
    • PROPELLANT BACK OFF TOOL
    • PROPELLANT BACK OFF工具
    • WO2016010510A1
    • 2016-01-21
    • PCT/US2014/046494
    • 2014-07-14
    • HALLIBURTON ENERGY SERVICES, INC.HILL, Jim T.LUDWIG, Weley Neil
    • HILL, Jim T.LUDWIG, Weley Neil
    • E21B29/02E21B17/00
    • E21B31/1075E21B23/04E21B31/107
    • An apparatus includes a propellant chamber, an expansion chamber, an exit chamber comprising a port providing fluid communication outside the apparatus, and a longitudinal acceleration chamber. The longitudinal acceleration chamber includes a first end in fluid communication with the propellant chamber, a second end in fluid communication with the expansion chamber, and a longitudinal axis between the first end and the second end. An acceleration mass is slidably contained in the acceleration chamber. The acceleration chamber includes a propellant side between the propellant chamber and the acceleration mass, and a target side between the acceleration mass and the expansion chamber. A transfer piston is slidably positioned between the expansion chamber and the exit chamber. The transfer piston includes a first end projecting into the expansion chamber and aligned with the longitudinal axis of the acceleration chamber, and a second end projecting into the exit chamber.
    • 一种装置包括推进剂室,膨胀室,出口室,其包括在设备外部提供流体连通的端口和纵向加速室。 纵向加速室包括与推进剂室流体连通的第一端,与膨胀室流体连通的第二端和在第一端和第二端之间的纵向轴线。 加速质量块可滑动地容纳在加速室中。 加速室包括在推进剂室和加速质量块之间的推进剂侧,以及加速质量块和膨胀室之间的目标侧。 转移活塞可滑动地定位在膨胀室和出口室之间。 转移活塞包括突出到膨胀室中并与加速室的纵向轴线对齐的第一端和突出到出口室中的第二端。
    • 8. 发明授权
    • Downhole mobility and propulsion apparatus
    • 井下移动和推进装置
    • US4624306A
    • 1986-11-25
    • US719892
    • 1985-04-03
    • Jack J. TraverC. Dale PalmerRichard Hughes
    • Jack J. TraverC. Dale PalmerRichard Hughes
    • E21B23/00E21B23/10E21B23/14E21B31/00E21B31/107E21B43/00E21B44/00
    • E21B31/1075E21B23/00E21B23/10E21B23/14E21B28/00E21B31/005E21B43/003
    • An apparatus which comprises an upper sub for connectable engagement with the wire line, a microprocessor component for directing the various functions of the overall apparatus down hole; a motor section having a plurality of thrust directional motors and ball screw assembly for movement of steering gates; a motor driven impeller means for providing thrust and flow through a portion of the apparatus and in combination with the flow gates providing steering in a certain direction; an electrical transducer portion for providing ultrasonic vibrations around the circumference of the apparatus in discongealing molecular substrate adjacent the apparatus; a mechanical vibration coil assembly means on the lower end of the apparatus for discongealing larger areas of congealing in a substrate around the apparatus, and a lower sub for connectably engaging the electrical logging unit to be steered down hole. The apparatus may also comprise on either end a thrust explosive sub for explosively dislodging the apparatus in the event of lodging occuring down hole.
    • 一种包括用于与线路可连接的上部辅助装置的装置,用于引导整个装置向下孔的各种功能的微处理器部件; 具有多个推力定向马达和用于转向门运动的滚珠丝杠组件的马达部分; 电机驱动的叶轮装置,用于提供推力和流动通过装置的一部分,并与提供沿某一方向的转向的流动门组合; 电传感器部分,用于在与所述装置相邻的分离基片上提供围绕所述装置的圆周的超声波振动; 在设备的下端上的机械振动线圈组件装置,用于将围绕设备的基板中的较大的凝结区域排出,以及用于可连接地接合电测井单元以便向下转换的孔的下部子件。 该装置的任一端还可以包括推进炸药子,用于在发生倒下孔的情况下爆炸性地移动该装置。
    • 9. 发明授权
    • Retrievable float valve assembly
    • 可抽浮浮阀组件
    • US4393940A
    • 1983-07-19
    • US201580
    • 1980-10-28
    • Larry V. CooperMichael W. Sloane, Sr.
    • Larry V. CooperMichael W. Sloane, Sr.
    • E21B17/06E21B21/10E21B31/107E21B34/08
    • E21B17/06E21B21/10E21B31/1075Y10T137/7426
    • A retrievable float valve hanger tool assembly provides a hanger sub having a first upper connection for attaching the hanger sub, for example, threadably, to a drill string or work string. A second lower connection means on the sub provides both external and internal threaded (for example) connections, which allow the sub to be connected on its inner threads to a float valve canister and at its external threads to an extension which forms a protective housing about the float valve and its valve canister during operation. The device places the float valve below the joint of the sub and the extension so that an explosive charge can be detonated at the joint allowing easy removal of the float valve from the drill string in the event that the drill pipe becomes stuck. A continuous bore through the assembly allows fluid circulation through the tool in the work string and also allows the explosive charge to be lowered by wireline, for example, to the tool assembly at the appropriate joint. The explosive charge, detonated above the float valve aids in breaking the connection between the hanger sub and extension so that the float valve canister can be removed when the hanger sub and extension are disconnected.
    • 一种可检索的浮阀悬挂器工具组件提供了一种具有第一上部连接件的衣架子,用于将衣架子例如螺纹连接到钻柱或工作柱上。 子上的第二下连接装置提供外部和内部螺纹(例如)连接,其允许副在其内螺纹上连接到浮阀阀,并且在其外螺纹处连接到延伸部,形成保护壳体 浮球阀及其阀芯在运行过程中。 该装置将浮阀放置在副和延伸部的接头下方,使得在接头处可以引爆爆炸物,在钻杆被卡住的情况下容易从钻柱上移除浮阀。 通过组件的连续孔允许流体在工作串中循环通过工具,并且还允许通过电缆将爆炸装料降低到例如适当接头处的工具组件。 在浮阀上方引爆的爆炸物有助于破坏悬挂子和延伸部之间的连接,从而当悬挂子和延伸部分断开时,可以拆下浮阀罐。