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    • 12. 发明授权
    • Permanent downhole, wireless, two-way telemetry backbone using redundant repeaters
    • 永久井下无线双向遥测骨干网使用冗余中继器
    • US06633236B2
    • 2003-10-14
    • US09768655
    • 2001-01-24
    • Harold J. VinegarRobert Rex BurnettWilliam Mountjoy SavageFrederick Gordon Carl, Jr.James William HallJohn Michele Hirsch
    • Harold J. VinegarRobert Rex BurnettWilliam Mountjoy SavageFrederick Gordon Carl, Jr.James William HallJohn Michele Hirsch
    • B01V300
    • E21B47/12E21B17/003E21B17/028E21B33/1294E21B34/066E21B34/08E21B34/16E21B37/06E21B41/0085E21B41/02E21B43/12E21B43/122E21B43/123E21B43/14E21B43/16E21B47/06E21B47/10E21B47/1005E21B47/101E21B47/1015E21B47/122E21B2041/0028H04B13/02Y10T307/258
    • A system and method of communicating among devices via a piping structure using at least one induction choke about the piping structure to route a time-varying current carrying communication signals between the devices. A communications system comprises a piping structure, a first communication device, a second communication device, and an induction choke. The piping structure comprises a first location, a second location, and an electrically conductive portion extending between the first and second locations. The first and second locations are distally spaced along the piping structure. The first and second communication devices are each electrically connected to the electrically conductive portion of the piping structure along the first location and second location, respectively, and each is adapted to send and receive communication signals via time-varying current. The induction choke is located about an electrically choked portion of the electrically conductive portion of the piping structure, such that the induction choke is adapted to route time-varying current within the piping structure between the electrical connection location for the first communication device and the electrical connection location for the second communication device, and such that the first communication device can communicate with the second communication device via the piping structure. A preferred application of the present invention is a well for producing petroleum products (e.g., oil, natural gas), comprising a communication system as described above.
    • 一种通过管道结构在设备之间通过管道结构使用至少一个感应扼流圈进行通信的系统和方法,以便在设备之间路由携带通信信号的时变电流。 通信系统包括管道结构,第一通信设备,第二通信设备和感应扼流圈。 管道结构包括第一位置,第二位置和在第一和第二位置之间延伸的导电部分。 第一和第二位置沿着管道结构向远侧间隔开。 第一和第二通信设备分别沿着第一位置和第二位置电连接到管道结构的导电部分,并且每个通信设备适于经由时变电流发送和接收通信信号。 感应扼流圈位于管道结构的导电部分的电阻塞部分周围,使得感应扼流圈适于在第一通信设备的电连接位置和电气连接位置之间布置管道结构内的时变电流 用于第二通信设备的连接位置,并且使得第一通信设备可以经由管道结构与第二通信设备通信。 本发明的优选应用是用于生产包含如上所述的通信系统的石油产品(例如油,天然气)的良好应用。
    • 14. 发明授权
    • Petroleum well having downhole sensors, communication and power
    • 石油井井下传感器,通讯和电力
    • US06679332B2
    • 2004-01-20
    • US09769046
    • 2001-01-24
    • Harold J. VinegarRobert Rex BurnettWilliam Mountjoy SavageFrederick Gordon Carl, Jr.
    • Harold J. VinegarRobert Rex BurnettWilliam Mountjoy SavageFrederick Gordon Carl, Jr.
    • E21B3406
    • H04B13/02E21B17/003E21B34/066E21B34/08E21B34/16E21B43/122E21B43/123E21B43/14E21B47/122E21B2041/0028
    • A petroleum well has an electronic module and a number of sensors which communicate with the surface using the tubing string and casing as conductors. Induction chokes at the surface and downhole electrically impede AC flow through the (tubing or casing if so configured) with the resulting voltage potential useful for power and communication. A high bandwidth, adaptable spread spectrum communications system is used to communicate between the downhole electronics module and a surface master spread spectrum modem. Downhole sensors, such as pressure, temperature, acoustic and seismic sensors accurately assess downhole physical conditions. In a preferred form, the electronics module and sensors are wireline insertable and retrievable into a side pocket mandrel in the tubing string. Permanent downhole sensors that can communicate with the surface allow such diverse applications as optimizing well and field performances, monitoring and assessing the geophysics of the fomrations around the well, assessing well and reservoir reserves, assessing reservoir conditions.
    • 石油井具有电子模块和多个传感器,其使用油管柱和壳体作为导体与表面连通。 表面和井下的感应扼流圈电阻碍通过(管或套管,如果配置)的交流电流,并产生用于电力和通信的电压电位。 高带宽,适应性扩展通信系统用于在井下电子模块和表面主扩展调制解调器之间进行通信。 井下传感器,如压力,温度,声学和地震传感器,可准确地评估井下物理条件。 在优选形式中,电子模块和传感器是可插入的并可回收到管柱中的侧袋心轴中的电缆。 可以与表面通信的永久井下传感器允许这样多样的应用,例如优化井场和田间性能,监测和评估井附近的地质物理,评估井和油藏储量,评估油藏条件。
    • 18. 发明授权
    • System and method for fluid flow optimization
    • 流体流动优化的系统和方法
    • US06758277B2
    • 2004-07-06
    • US09768656
    • 2001-01-24
    • Harold J. VinegarRobert Rex BurnettWilliam Mountjoy SavageFrederick Gordon Carl, Jr.
    • Harold J. VinegarRobert Rex BurnettWilliam Mountjoy SavageFrederick Gordon Carl, Jr.
    • E21B4312
    • E21B47/122E21B17/003E21B34/066E21B34/08E21B34/16E21B43/122E21B43/123E21B2041/0028
    • A controllable gas-lift well having controllable gas-lift valves and sensors for detecting flow regime is provided. The well uses production tubing and casing to communicate with and power the controllable valve from the surface. A signal impedance apparatus in the form of induction chokes at the surface and downhole electrically isolate the tubing from the casing. A high band-width, adaptable spread spectrum communication system is used to communicate between the controllable valve and the surface. Sensors, such as pressure, temperature, and acoustic sensors, may be provided downhole to more accurately assess downhole conditions and in particular, the flow regime of the fluid within the tubing. Operating conditions, such as gas injection rate, back pressure on the tubing, and position of downhole controllable valves are varied depending on flow regime, downhole conditions, oil production, gas usage and availability, to optimize production. An Artificial Neural Network (ANN) is trained to detect a Taylor flow regime using downhole acoustic sensors, plus other sensors as desired. The detection and control system and method thereof is useful in many applications involving multi-phase flow in a conduit.
    • 提供了一种具有可控气举气阀和用于检测流动状态的传感器的可控气举井。 该井使用生产管道和套管与表面连通和供电可控阀门。 在表面和井下的感应扼流圈形式的信号阻抗装置将管道与壳体电隔离。 使用高带宽,适应性扩频通信系统在可控阀和表面之间进行通信。 可以在井下提供诸如压力,温度和声学传感器的传感器,以更准确地评估井下条件,特别是管道内流体的流动状态。 操作条件,例如气体注入速率,管道上的背压和井下可控阀的位置根据流动状态,井下条件,石油生产,燃气使用和可用性而变化,以优化生产。 人工神经网络(ANN)被训练为使用井下声学传感器以及所需的其它传感器来检测泰勒流动状态。 检测和控制系统及其方法在涉及管道中的多相流的许多应用中是有用的。
    • 19. 发明授权
    • Heater control
    • 加热器控制
    • US6023052A
    • 2000-02-08
    • US185881
    • 1998-11-04
    • Frederick Gordon Carl, Jr.William Mountjoy SavageRobert Rex Burnett
    • Frederick Gordon Carl, Jr.William Mountjoy SavageRobert Rex Burnett
    • G05D23/19H05B1/02
    • H05B1/0247G05D23/1913G05D23/1931G05D23/1934Y10T307/461
    • A method and apparatus are provided for controlling parallel heater elements, the method including the steps of: providing a plurality of electrical heater elements; generating a plurality of temperature signals associated with a plurality of the heater elements; generating a control signal based on one or more temperature signals; providing an alternating current power supply connected to the electrical heater elements through a power transmission system; generating a signal when the voltage of the alternating current power supply passes through ground potential; blocking electrical power to a heater element starting when a zero detection signal is detected an ending when another zero detection signal is detected, for a fraction of the alternating current cycles in a time period, the fraction being a function of the control signal; and transmitting temperature control signals through the power transmission system.
    • 提供了一种用于控制并行加热器元件的方法和装置,该方法包括以下步骤:提供多个电加热元件; 产生与多个所述加热器元件相关联的多个温度信号; 基于一个或多个温度信号产生控制信号; 提供通过电力传输系统连接到电加热器元件的交流电源; 当交流电源的电压通过地电位时产生信号; 当检测到零检测信号时,在检测到零检测信号的结束时,对于加热器元件阻断电力,对于一段时间内的交流循环,该分数是控制信号的函数; 并通过电力传输系统传输温度控制信号。