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    • 3. 发明申请
    • POWER AND DATA COMMUNICATION ALONG UNDERWATER PIPES
    • 电力和数据通信在水管
    • WO2009115798A1
    • 2009-09-24
    • PCT/GB2009/000724
    • 2009-03-16
    • SCHLUMBERGER HOLDINGS LIMITEDSCHLUMBERGER CANADA LIMITEDPRAD RESEARCH AND DEVELOPMENT LIMITEDSERVICES PETROLIERS SCHLUMBERGERSCHLUMBERGER TECHNOLOGY B.V.BABOUR, KamalSMITH, RussellKACHER, AzedineVANNUFFELEN, StephanePANETTA, Pascal
    • BABOUR, KamalSMITH, RussellKACHER, AzedineVANNUFFELEN, StephanePANETTA, Pascal
    • H04B3/56
    • H04B3/56E21B47/122H04B2203/5475H04B2203/5483
    • A system for communicating electrical power and/or data signals along a pipe extending underwater, wherein the pipe comprises an inner, electrically-insulating sheath defining a conduit and an outer, electrically-insulating layer surrounding the inner sheath so as to define an annulus in-between. The system comprises an electric current generator located at a predetermined position on the pipe and operable to generate a current in the annulus; and a device positioned outside the outer layer of the pipe at a first location distant from the generator. The annulus is in electrical communication with the water at a second location on the pipe distant from the generator such that an electrical return path extends through the water between the second location and the position of generator; and the device is operable to draw power and/or data from the current generated in the annulus by the generator. A method of communicating electrical power and/or data signals along a pipe extending underwater comprises generating an electric current in the annulus at a predetermined position on the pipe; positioning a device outside the outer layer of the pipe at a first location distant from the generator; providing an electrical return path extending through the water from a second location distant from the generator where the annulus is in electrical communication with the water to the position of generator; and operating the device to draw power and/or data from the current generated in the annulus by the generator.
    • 一种用于沿着水下延伸的管道传送电力和/或数据信号的系统,其中所述管道包括限定导管的内部电绝缘护套和围绕所述内护套的外部电绝缘层,以便限定环形空间 -之间。 该系统包括位于管道上的预定位置处的电流发生器,可操作以在环形空间中产生电流; 以及在远离发生器的第一位置处定位在管的外层外部的装置。 环形空间与远离发生器的管道上的第二位置处的水电连通,使得电返回路径延伸穿过第二位置和发生器位置之间的水; 并且该装置可操作以从由发生器在环形空间中产生的电流吸取电力和/或数据。 沿着水下延伸的管道传送电力和/或数据信号的方法包括在管道上的预定位置产生环形空间中的电流; 在远离发电机的第一位置处将设备定位在管的外层外部; 提供从远离发生器的第二位置延伸穿过水的电返回路径,其中环与水电连通到发电机的位置; 并且操作该装置以从发电机产生的环路中产生的电流中吸取电力和/或数据。