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    • 35. 发明申请
    • BEARING APPARATUS AND PROCESS
    • 轴承装置和工艺
    • WO2007001826A2
    • 2007-01-04
    • PCT/US2006/022931
    • 2006-06-13
    • ASHMIN, LC
    • B21D53/10
    • B21D53/10E21B4/003F16C33/14F16C2220/60F16C2220/66F16C2220/70F16C2220/82F16C2352/00Y10T29/49636Y10T29/49643Y10T29/49655Y10T29/49664Y10T29/49668Y10T29/49677Y10T29/49705Y10T29/49746Y10T29/49996
    • A process for manufacturing a bearing. The bearing may be used in a tool disposed within a bore hole. The process comprises providing a tubular sleeve and applying a hard facing material on the outer diameter of the tubular sleeve so that the hard facing material is fused onto the outer diameter, and thereafter applying a material layer on the outer diameter so that the material layer is fused onto the outer diameter. The method further includes machining the outer diameter so that a portion of the material layer is removed, and then machining the inner diameter so that only the hard facing material is left as an inner diameter. The method further includes machining the outer diameter and the inner diameter in order to form the bearing. In the most preferred embodiment, the method further includes placing the bearing into a housing, and inserting a mandrel into the bearing, and wherein a hard coating of the mandrel abuts the bearing. A mud motor for rotating a bit in a well bore is also disclosed.
    • 一种制造轴承的方法。 该轴承可以用在设置在钻孔内的工具中。 该方法包括提供一个管状套筒,并在该管状套筒的外径上施加硬质材料,使得该硬质材料被熔合在该外径上,之后在该外径上施加一层材料层, 熔在外径上。 该方法还包括加工外径,使得材料层的一部分被去除,然后加工内径,使得只剩下硬质材料作为内径。 该方法还包括加工外径和内径以形成轴承。 在最优选的实施例中,该方法还包括将轴承放置在壳体中,并将​​心轴插入轴承中,并且其中心轴的硬质涂层抵靠轴承。 还公开了一种用于在井眼中旋转钻头的泥浆马达。
    • 39. 发明申请
    • INSTALLING PIPES
    • 安装管道
    • WO1995033951A1
    • 1995-12-14
    • PCT/GB1995001331
    • 1995-06-07
    • BRITISH GAS PLC
    • BRITISH GAS PLCDICKSON, Dudley, TrevorCOCHRANE, Colin
    • F16L55/165
    • F16L55/179F16L55/165Y10T29/49732Y10T29/49746Y10T29/49888Y10T29/53652Y10T29/53657Y10T29/53696
    • A corrugated plastic service pipe (20) is inserted together with a flexible guide assembly (22) through an accessible end (11) of a steel service pipe (14, 10), which extends from the end (11) to a main (18). The flexible guide assembly (22) comprises a flexible guide element (24) and a flexible spring guide (26). The element (24) extends through a nose-piece (32) having an outer part secured to the pipe (20) and an inner part (36). The spring guide (26) carries a sensor (60) at its tip which emits a signal when the sensor enters the main (18). When the pipe (20) is correctly positioned fluid sealant (70) is injected into the space between the pipe (20) and the pipe (14, 10). When the sealant has solidified sufficiently, the guide assembly (22) is withdrawn through the pipe (20), the inner part (36) being separated from the outer part (34) to allow withdrawal of the spring guide (26).
    • 瓦楞塑料维修管(20)通过钢制服务管(14,10)的可接近端(11)与柔性引导组件(22)一起插入,钢管服务管(14,10)从端部(11)延伸到主(18) )。 柔性引导组件(22)包括柔性引导元件(24)和柔性弹簧引导件(26)。 元件(24)延伸穿过具有固定到管道(20)的外部部件和内部部件(36)的鼻部件(32)。 弹簧引导件(26)在其尖端处携带传感器(60),当传感器进入主机(18)时,传感器(60)发出信号。 当管(20)被正确定位时,流体密封剂(70)被注入到管(20)和管(14,10)之间的空间中。 当密封剂已经充分固化时,引导组件(22)通过管道(20)被抽出,内部部分(36)与外部部件(34)分离,以允许弹簧引导件(26)的撤回。