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    • 11. 发明申请
    • Filter for a Drill String
    • 过滤钻柱
    • US20060065444A1
    • 2006-03-30
    • US10711596
    • 2004-09-28
    • David HallDavid PixtonMichael BriscoeJames McPherson
    • David HallDavid PixtonMichael BriscoeJames McPherson
    • E21B43/34
    • E21B21/002E21B17/003E21B47/122
    • A filter for a drill string comprises a perforated receptacle having an open end and a perforated end and first and second mounting surfaces are adjacent the open end. A transmission element is disposed within each of the first and second mounting surfaces. A capacitor may modify electrical characteristics of an LC circuit that comprises the transmission elements. The respective transmission elements are in communication with each other and with a transmission network integrated into the drill string. The transmission elements may be inductive couplers, direct electrical contacts, or optical couplers. In some embodiments of the present invention, the filter comprises an electronic component. The electronic component may be selected from the group consisting of a sensor, a router, a power source, a clock source, a repeater, and an amplifier.
    • 用于钻柱的过滤器包括具有开口端和穿孔端部的穿孔接插件,并且第一和第二安装表面邻近开口端。 传动元件设置在每个第一和第二安装表面内。 电容器可以改变包括传输元件的LC电路的电气特性。 相应的传输元件彼此通信并且与传输网络集成在钻柱中。 传输元件可以是感性耦合器,直接电触点或光耦合器。 在本发明的一些实施例中,滤波器包括电子部件。 电子部件可以选自传感器,路由器,电源,时钟源,中继器和放大器。
    • 16. 发明申请
    • Conformable Apparatus in a Drill String
    • 钻柱中的适形装置
    • US20050039912A1
    • 2005-02-24
    • US10710936
    • 2004-08-13
    • David HallH. HallDavid PixtonJoe Fox
    • David HallH. HallDavid PixtonJoe Fox
    • E21B17/00E21B17/10E21B29/10E21B43/10
    • E21B29/10E21B17/003E21B17/1007E21B43/103
    • An apparatus in a drill string comprises an internally upset drill pipe. The drill pipe comprises a first end, a second end, and an elongate tube intermediate the first and second ends. The elongate tube and the ends comprising a continuous an inside surface with a plurality of diameters. A conformable metal tube is disposed within the drill pipe intermediate the ends thereof and terminating adjacent to the ends of the drill pipe. The conformable metal tube substantially conforms to the continuous inside surface of the metal tube. The metal tube may comprise a non-uniform section which is expanded to conform to the inside surface of the drill pipe. The non-uniform section may comprise protrusions selected from the group consisting of convolutions, corrugations, flutes, and dimples. The non-uniform section extends generally longitudinally along the length of the tube. The metal tube may be adapted to stretch as the drill pipes stretch.
    • 钻柱中的装置包括内部不平整的钻杆。 钻杆包括第一端,第二端和位于第一端和第二端之间的细长管。 细长管和端部包括具有多个直径的连续的内表面。 一个适合的金属管设置在钻杆的中心位于钻杆的端部之外并且在钻杆的端部附近终止。 适形金属管基本上符合金属管的连续内表面。 金属管可以包括不均匀的部分,其被扩展以符合钻杆的内表面。 不均匀部分可以包括从由卷积,波纹,槽纹和凹坑组成的组中选择的突起。 不均匀部分沿着管的长度大致纵向延伸。 当钻杆拉伸时,金属管可适于拉伸。
    • 17. 发明申请
    • Apparatus and method for compensating for clock drift in downhole drilling components
    • 用于补偿井下钻井部件中的时钟漂移的装置和方法
    • US20050285645A1
    • 2005-12-29
    • US10878147
    • 2004-06-28
    • David HallDavid PixtonMonte JohnsonDavid BartholomewH. Hall
    • David HallDavid PixtonMonte JohnsonDavid BartholomewH. Hall
    • H03K21/00H03K23/52
    • H03K23/52G01V11/002H04J3/0661
    • A precise downhole clock that compensates for drift includes a prescaler configured to receive electrical pulses from an oscillator. The prescaler is configured to output a series of clock pulses. The prescaler outputs each clock pulse after counting a preloaded number of electrical pulses from the oscillator. The prescaler is operably connected to a compensator module for adjusting the number loaded into the prescaler. By adjusting the number that is loaded into the prescaler, the timing may be advanced or retarded to more accurately synchronize the clock pulses with a reference time source. The compensator module is controlled by a counter-based trigger module configured to trigger the compensator module to load a value into the prescaler. Finally, a time-base logic module is configured to calculate the drift of the downhole clock by comparing the time of the downhole clock with a reference time source.
    • 补偿漂移的精确井下时钟包括配置为从振荡器接收电脉冲的预分频器。 预分频器配置为输出一系列时钟脉冲。 在从振荡器计数预加载数量的电脉冲之后,预分频器输出每个时钟脉冲。 预分频器可操作地连接到补偿器模块,用于调节加载到预分频器中的数量。 通过调整加载到预分频器中的数字,定时可以提前或延迟,以更准确地将时钟脉冲与参考时间源同步。 补偿器模块由基于计数器的触发模块控制,配置为触发补偿器模块将值加载到预分频器中。 最后,时基逻辑模块被配置为通过将井下时钟与参考时间源进行比较来计算井下时钟的漂移。
    • 20. 发明申请
    • Distributed Downhole Drilling Network
    • 分布式井下钻孔网
    • US20050035874A1
    • 2005-02-17
    • US10710790
    • 2004-08-03
    • David HallH. HallJoe FoxDavid Pixton
    • David HallH. HallJoe FoxDavid Pixton
    • H04H60/31G01V11/00G01V3/00
    • E21B47/12G01V1/26G01V11/002
    • A high-speed downhole network providing real-time data from downhole components of a drilling strings includes a bottom-hole node interfacing to a bottom-hole assembly located proximate the bottom end of a drill string. A top-hole node is connected proximate the top end of the drill string. One or several intermediate nodes are located along the drill string between the bottom-hole node and the top-hole node. The intermediate nodes are configured to receive and transmit data packets transmitted between the bottom-hole node and the top-hole node. A communications link, integrated into the drill string, is used to operably connect the bottom-hole node, the intermediate nodes, and the top-hole node. In selected embodiments, a personal or other computer may be connected to the top-hole node, to analyze data received from the intermediate and bottom-hole nodes.
    • 提供来自钻井井下部件的实时数据的高速井下网络包括与位于钻柱底端附近的底孔组件对接的底孔节点。 顶孔节点靠近钻柱的顶端连接。 一个或多个中间节点位于井下节点和顶孔节点之间的钻柱上。 中间节点被配置为接收和发送在底孔节点和顶孔节点之间传输的数据分组。 集成到钻柱中的通信链路用于可操作地连接底孔节点,中间节点和顶孔节点。 在所选择的实施例中,个人或其他计算机可以连接到顶层节点,以分析从中间节点和底层节点接收的数据。