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    • 1. 发明申请
    • SYSTEMS AND METHODS FOR RANGING WHILE DRILLING
    • 用于钻孔的系统和方法
    • WO2012134468A1
    • 2012-10-04
    • PCT/US2011/030639
    • 2011-03-31
    • HALLIBURTON ENERGY SERVICES, INC.RODNEY, Paul, F.
    • RODNEY, Paul, F.
    • G01V3/00
    • E21B47/02216E21B7/04E21B47/0905
    • An improved system and method for ranging while drilling, in effect, induces a dynamic hot spot on the casing of a nearby well. The induced hot spot acts as a magnetic source that can be reliably detected from within the drillstring and in such a manner as to infer the relative position and orientation of the casing to the drillstring. At least some disclosed method embodiments employ one or more rotating magnets in the drillstring, an array of at least two magnetometers in the drillstring and one or more phase-locked loops that are used to enhance the signal to noise ratio of the magnetic signal scattered off of the casing from the rotating magnetic field. The rotating magnet or magnets may be magnetic dipoles or magnetic multipoles, and may be modulated to enable the use of multiple magnetic field sources.
    • 改进的钻孔测量系统和方法实际上在附近井的套管上引起动态热点。 感应热点作为可以从钻柱内可靠地检测的磁源,并且以这样的方式推断壳体与钻柱的相对位置和取向。 至少一些公开的方法实施例在钻柱中使用一个或多个旋转磁体,钻柱中的至少两个磁力计的阵列和用于增强散射的磁信号的信噪比的一个或多个锁相环 的壳体从旋转磁场。 旋转磁体或磁体可以是磁偶极子或磁性多极体,并且可以被调制以能够使用多个磁场源。
    • 3. 发明申请
    • A NEAR-FIELD ELECTROMAGNETIC COMMUNICATIONS NETWORK FOR DOWNHOLE TELEMETRY
    • 用于井下电报的近场电磁通信网络
    • WO2011019340A1
    • 2011-02-17
    • PCT/US2009/053492
    • 2009-08-11
    • HALLIBURTON ENERGY SERVICES, INC.SAMSON, Etienne, M.RODNEY, Paul, F.
    • SAMSON, Etienne, M.RODNEY, Paul, F.
    • G01V3/00
    • G01V1/003
    • A disclosed downhole telemetry system employs an array of near-field electromagnetic communication devices to relay information along a tubular in a borehole. In some embodiments, the devices are permanently attached to pipe joints without requiring any structural modification of the pipe joints. As the pipe joints are strung together in the normal fashion to form a tubular, the devices automatically establish a wireless communications path between an uphole terminus device and any downhole sensors or tools. The devices can include built-in sensors to provide distributed sensing of parameters such as temperature and pressure. In some embodiments the device array incorporates redundancy to minimize the chance of a communications network failure. The device array has applications for logging-while-drilling, production testing, well completion, reservoir monitoring, and well control.
    • 所公开的井下遥测系统采用近场电磁通信装置的阵列来沿着井眼中的管状物中继信息。 在一些实施例中,这些装置永久地连接到管接头上,而不需要管接头的任何结构修改。 当管接头以正常方式串联在一起以形成管状时,这些装置自动地在井上终端装置和任何井下传感器或工具之间建立无线通信路径。 这些设备可以包括内置传感器,以提供诸如温度和压力等参数的分布式感测。 在一些实施例中,设备阵列包含冗余以最小化通信网络故障的机会。 该设备阵列具有钻井测井,生产测试,油井完井,油藏监测和油井控制等应用。
    • 8. 发明申请
    • TUBULAR MEMBER CONNECTION
    • 管状构件连接
    • WO2008005013A1
    • 2008-01-10
    • PCT/US2006/026131
    • 2006-07-06
    • HALLIBURTON ENERGY SERVICES, INC.RODNEY, Paul, F.
    • RODNEY, Paul, F.
    • E21B17/02F16L25/01H01R13/523
    • E21B17/028F16L25/01H01R13/523H01R13/533H01R35/04
    • In some embodiments, an apparatus and a system, as well as a method and an article, may operate to couple, in a substantially fluid- tight manner, a first tubular member (140') carrying a first set of tubular member conductors (124') to a hollow cylinder (104) . The hollow cylinder may include two or more sets of insulators having an equal number of insulating elements (120, 12S) located on the outer surface of the hollow cylinder, and two or more sets of conductors (110, 116) having an equal number of conducting elements defining pairs of conducting elements located on the outer surface . Each of the pairs of conducting elements may be insulated from the other pairs of conducting elements by the sets of insulators. Various embodiments may also operate to couple, in a substantially fluid-tight manner, a second tubular member (140'') carrying a second set of tubular member conductors to the hollow cylinder.
    • 在一些实施例中,装置和系统以及方法和制品可以以基本上流体密封的方式操作以连接第一组管状构件导体(124)的第一管状构件(140') ')到中空圆筒(104)。 中空圆柱体可以包括两组或更多组绝缘体,其具有位于中空圆柱体的外表面上的相等数量的绝缘元件(120,12S),以及具有相同数量的导体的两组或多组导体(110,116) 限定位于外表面上的导电元件对的导电元件。 每对导电元件可以通过这些绝缘体组与其它导电元件对绝缘。 各种实施例还可以操作以基本上流体密封的方式将携带第二组管状构件导体的第二管状构件(140“)连接到中空圆柱体。