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    • 68. 发明授权
    • Apparatus for responding to an anomalous change in downhole pressure
    • 用于响应井下压力异常变化的装置
    • US07696900B2
    • 2010-04-13
    • US12030444
    • 2008-02-13
    • David R. HallJoe FoxTyson WildeJonathan S. Barlow
    • David R. HallJoe FoxTyson WildeJonathan S. Barlow
    • G01V3/00
    • E21B33/06E21B21/08E21B44/00E21B47/06E21B47/122
    • A method of responding to an anomalous change in downhole pressure in a bore hole comprises detecting the anomalous change in downhole pressure, sending a signal along the segmented electromagnetic transmission path, receiving the signal, and performing a automated response. The anomalous change in downhole pressure is detected at a first location along a segmented electromagnetic transmission path, and the segmented electromagnetic transmission path is integrated into the tool string. The signal is received by at least one receiver in communication with the segmented electromagnetic transmission path. The automated response is performed along the tool string. Disclosed is an apparatus for responding to an anomalous change in downhole pressure in a downhole tool string, comprising a segmented electromagnetic transmission path connecting one or more receivers and at least one pressure sensor.
    • 响应钻孔中井下压力的异常变化的方法包括检测井下压力的异常变化,沿着分段电磁传输路径发送信号,接收信号并执行自动响应。 在沿着分段电磁传输路径的第一位置处检测井下压力的异常变化,并且分段的电磁传输路径被集成到工具串中。 信号由与分段电磁传输路径通信的至少一个接收机接收。 自动响应沿工具串执行。 公开了一种用于响应井下工具串中的井下压力的异常变化的装置,包括连接一个或多个接收器和至少一个压力传感器的分段电磁传输路径。
    • 69. 发明授权
    • Borehole liner
    • 钻孔衬板
    • US07647977B2
    • 2010-01-19
    • US11828848
    • 2007-07-26
    • David R. HallJohn FernandezJoe Fox
    • David R. HallJohn FernandezJoe Fox
    • E21B17/22F16L55/1645
    • E21B43/103E21B7/068E21B7/20E21B19/22E21B43/105
    • A system for forming a liner downhole within a well bore has a rig comprising a tool string driving mechanism and an aperture proximate an opening of a well bore. The system also has first and second tool string components and each component has a central bore disposed intermediate first and second tool joints of the component. The first tool joint of the first component is disposed proximate the aperture and the second tool joint of the second component. First and second resilient lining materials are disposed within the central bore of the first and second tool string components respectively. At least one lining material connecting mechanism is disposed proximate the aperture. The system also comprises at least one downhole dispenser that is adapted to direct a resilient continuous lining material against the well bore to form a liner.
    • 用于在井眼内形成井筒内的衬套的系统具有包括工具串驱动机构的钻机和靠近井眼开口的孔。 该系统还具有第一和第二工具串部件,并且每个部件具有中心孔,该中心孔设置在部件的第一和第二工具接头的中间。 第一部件的第一工具接头设置在第二部件的孔和第二工具接头附近。 第一和第二弹性衬里材料分别设置在第一和第二工具组件的中心孔内。 至少一个衬里材料连接机构设置在孔附近。 该系统还包括至少一个井下分配器,其适于将弹性连续衬里材料引导到井眼以形成衬套。
    • 70. 发明授权
    • Loaded transducer for downhole drilling components
    • 用于井下钻井部件的负载传感器
    • US07528736B2
    • 2009-05-05
    • US11162103
    • 2005-08-29
    • David R. HallJoe FoxJeffery E. Daly
    • David R. HallJoe FoxJeffery E. Daly
    • G01V3/10
    • E21B17/028E21B47/122
    • A system for transmitting information between downhole components has a first downhole component with a first mating surface and a second downhole component having a second mating surface configured to substantially mate with the first mating surface. The system also has a first transmission element with a first communicating surface and is mounted within a recess in the first mating surface. The first transmission element also has an angled surface. The recess has a side with multiple slopes for interacting with the angled surface, each slope exerting a different spring force on the first transmission element. A second transmission element has a second communicating surface mounted proximate the second mating surface and adapted to communicate with the first communicating surface.
    • 用于在井下部件之间传送信息的系统具有第一井下部件,其具有第一配合表面,而第二井下部件具有构造成与第一配合表面基本配合的第二配合表面。 该系统还具有带有第一连通表面的第一传动元件,并安装在第一配合表面的凹槽内。 第一传动元件还具有成角度的表面。 凹部具有多个斜面以与倾斜表面相互作用的一侧,每个斜面在第一传动元件上施加不同的弹簧力。 第二传动元件具有安装在第二配合表面附近并适于与第一连通表面连通的第二连通表面。