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    • 1. 发明申请
    • Apparatus and Method for Relieving Annular Pressure in a Wellbore Using a Wireless Sensor Network
    • 使用无线传感器网络减轻井筒环形压力的装置和方法
    • US20150285065A1
    • 2015-10-08
    • US14432970
    • 2013-12-18
    • David A. HowellTimothy I. MorrowMark M. DiskoMax Deffenbaugh
    • David A. HowellTimothy I. MorrowMark M. DiskoMax Deffenbaugh
    • E21B47/16
    • E21B47/16E21B47/0005E21B47/011
    • An electro-acoustic system for downhole telemetry is provided herein. The system employs a series of communications nodes spaced along a string of casing within a wellbore. The nodes are placed within the annular region surrounding the joints of casing within the well-bore. The nodes allow for wireless communication between transceivers residing within the communications nodes and a topside communications node at the wellhead. More specifically, the transceivers provide for node-to-node communication up a wellbore at high data transmission rates for data indicative of a parameter within an annular region behind the string of casing. A method of evaluating a parameter within an annular region along a cased-hole wellbore is also provided herein. The method uses a plurality of data transmission nodes situated along the casing string which send signals to a receiver at the surface. The signals are then analyzed.
    • 本文提供了一种用于井下遥测的电声系统。 该系统采用沿着井眼内的一串套管间隔开的一系列通信节点。 节点放置在围绕井眼内的套管接头的环形区域内。 这些节点允许驻留在通信节点内的收发器与井口的顶层通信节点之间的无线通信。 更具体地,收发器为高数据传输速率的节点间节点向井上通信提供表示在套管串之后的环形区域内的参数的数据。 本文还提供了沿着套管井井筒在环形区域内评估参数的方法。 该方法使用沿着套管串定位的多个数据传输节点,其向表面的接收机发送信号。 然后分析信号。