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    • 3. 发明授权
    • Method and apparatus for cleaning a conduit
    • 用于清洁导管的方法和设备
    • US07107634B1
    • 2006-09-19
    • US11297846
    • 2005-12-08
    • Jeffery D. Baird
    • Jeffery D. Baird
    • E03C1/28
    • E03C1/284E03C1/28E03C1/30Y10T137/4273
    • A conduit cleaning or clearing apparatus and method has a housing assembly connectable to a pipeline. The housing has an inlet and outlet leg joined by a bight portion. A cleaning member is rotatably disposed within the housing and may be rotated from a first unobstructing position to a second cleaning position. In the cleaning position, a plurality of spaced apart blades are able to contact and loosen any build-up in the bight portion. A wiping paddle on the cleaning member urges the loosen build-up out the outlet leg and through the drain line. The paddle cooperates with a locator seat on the housing to retain the cleaning member in an unobstructing position when not cleaning or clearing the bight.
    • 管道清洁或清除装置和方法具有可连接到管道的壳体组件。 壳体具有通过弯曲部分连接的入口和出口腿。 清洁构件可旋转地设置在壳体内并且可以从第一无障碍位置旋转到第二清洁位置。 在清洁位置,多个间隔开的叶片能够接触和松开弯曲部分中的任何积聚物。 清洁部件上的擦拭板促使出口支腿松开并通过排水管。 桨叶与壳体上的定位座配合,以在不清洁或清除弯头时将清洁构件保持在不阻挡位置。
    • 4. 发明授权
    • Flow through subassembly for a downhole drill string and method for making same
    • 流经井下钻柱的组件及其制造方法
    • US07493949B2
    • 2009-02-24
    • US11122701
    • 2005-05-05
    • Jeffery D. Baird
    • Jeffery D. Baird
    • E21B17/18E21B17/22
    • E21B17/10E21B10/26E21B17/1078E21B21/00E21B21/103E21B37/02
    • A subassembly for a downhole drill string has a hollow outer body or barrel with a plurality of blade openings. A plurality of blade sets extends outwardly through the openings. Fluid flow inlets are provided in the lower section of the body below the blade openings and flow outlets are provided in an upper section above the blade openings. An annular spaced apart support mandrel extends through the hollow section of body and supports and retains the blades in the openings. An annular fluid flow passage is provided through the annular space. Drilling fluids outside of the subassembly may flow through the inlet, up the annular fluid flow passage, and out the outlet thereby bypassing any plug or pack-off formed between the subassembly and the well bore. An existing subassembly may be retrofitted to provide a fluid flow bypass channel around the blades. The existing subassembly is provided with inlets below and outlets above the blades. The bypass channel is then formed between the blades.
    • 用于井下钻柱的子组件具有具有多个叶片开口的中空的外部主体或筒体。 多个叶片组通过开口向外延伸。 流体入口设置在主体下方的叶片开口下方,流出口设置在叶片开口上方的上部。 环形间隔开的支撑心轴延伸穿过主体的中空部分并支撑并将叶片保持在开口中。 环形流体通道设置穿过环形空间。 子组件外部的钻井流体可以流过入口,向上流过环形流体流动通道,并且从出口旁边流过组件和井眼之间形成的任何塞子或包装物。 可以改装现有的子组件以提供围绕叶片的流体流动旁路通道。 现有的子组件在叶片下面设有入口和出口。 然后在叶片之间形成旁通通道。
    • 5. 发明授权
    • Method and apparatus for in-situ production well testing
    • 原位生产井试验方法和装置
    • US06530428B1
    • 2003-03-11
    • US09937054
    • 2001-09-19
    • Jeffery D. Baird
    • Jeffery D. Baird
    • E21B33127
    • E21B49/088E21B21/10E21B33/127E21B49/083
    • An apparatus for in situ borehole testing having a drill string with drill pipe and drill bit. An upper sleeve and lower sleeve are telescopically coupled together. A valve seat is located in an interior passage and closes the interior passage when a valve member is seated in the valve seat. A plurality of separate inflatable packers are coupled to the lower sleeve and activated when the valve member is seated in the valve seat. A latching collet having teeth positively interlocks with spline teeth affixed to the inner wall of the upper sleeve. A hydraulic valve assembly is attached to the lower sleeve and is activated by fluid in one of a plurality of separate fluid chambers which communicate with and inflate the separate packers.
    • 一种用于原位钻孔测试的装置,具有钻柱和钻头钻头。 上套筒和下套筒可伸缩地联接在一起。 当阀构件安置在阀座中时,阀座位于内部通道中并封闭内部通道。 多个单独的可膨胀封隔器联接到下套管并且当阀构件就座在阀座中时被激活。 具有与固定在上套筒的内壁上的花键齿正确互锁的齿的闩锁夹头。 液压阀组件附接到下套管并且由多个分离的流体室之一中的流体激活,所述流体室与单独的封隔器连通并使其膨胀。
    • 7. 发明授权
    • Method for retrofitting a downhole drill string with a flow through subassembly and method for making same
    • 用于通过子组件流过井下钻柱的方法及其制造方法
    • US07810573B2
    • 2010-10-12
    • US12321611
    • 2009-01-23
    • Jeffery D. Baird
    • Jeffery D. Baird
    • E21B17/18
    • E21B17/10E21B10/26E21B17/1078E21B21/00E21B21/103E21B37/02
    • A method for retrofitting a downhole drill string with a flow through subassembly having a hollow outer body or barrel with a plurality of outwardly extending blades. Fluid flow inlets are provided in the lower section of the body below the blade openings and flow outlets are provided in an upper section above the blades. A fluid flow bypass channel is formed in the outer body and extends between said blades and from said fluid inlet to said fluid outlet. Drilling fluids outside of the subassembly may flow through the inlet, up the fluid flow bypass channel and out the outlet thereby bypassing any plug or pack-off formed between the subassembly and the well bore. Thus, an existing subassembly may be retrofitted to provide a fluid flow bypass channel around the blades.
    • 一种用于通过具有多个向外延伸的叶片的具有中空的外部主体或筒的子组件的流动来改进井下钻柱的方法。 流体入口设置在主体下方的叶片开口下方,流出口设置在叶片上方的上部。 流体旁路通道形成在外体中并在所述叶片之间并从所述流体入口延伸到所述流体出口。 在子组件之外的钻井流体可以流过入口,向上流动流动旁通通道并从出口流出,从而绕过在子组件和井眼之间形成的任何塞子或包装物。 因此,可以改装现有的子组件以提供围绕叶片的流体流动旁路通道。
    • 10. 发明授权
    • Method and apparatus for controlling the ascent and descent of pipe in a well bore
    • 用于控制井眼中管道上升和下降的方法和装置
    • US06997251B2
    • 2006-02-14
    • US10673952
    • 2003-09-29
    • Jeffery D. Baird
    • Jeffery D. Baird
    • E21B15/00
    • E21B3/04E21B19/10
    • A method for controlling the ascent and descent of a tubular member passing through a pipe or casing slip into a well bore. A float control member is affixed beneath the top surface of the pipe or casing slip. The control member is activated to control the raising or lowering of the tubular member. A piston within a cylinder housing is positioned below the top surface of the slip. As the tubular member is lowered, but before there is significant weight on the supporting structure, the piston is moved to its maximum height extension. Once the slips are set and the weight of the tubular member is applied to the slips, the piston begins to descend in the cylinder housing floating the final descent of the string. The string may be raised by activating a pump to force fluid within the housing chamber, raising the piston and thereby raising or lifting the string.
    • 用于控制通过管或套管的管状构件的上升和下降滑入井眼的方法。 浮子控制构件固定在管道或套管滑块的顶表面下方。 控制构件被启动以控制管状构件的升高或降低。 气缸壳体内的活塞位于滑动件的顶表面下方。 当管状构件下降,但在支撑结构上具有显着重量之前,活塞移动到其最大高度延伸。 一旦滑块被固定并且管状构件的重量被施加到滑移件上,则活塞开始下降到气缸壳体中,以浮动柱的最终下降。 可以通过激活泵来迫使流体在壳体室内升高,从而升高活塞并从而升高或提升绳子,从而可以提升绳子。