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    • 2. 发明申请
    • DOWNHOLE SIGNAL SOURCE
    • 井下信号源
    • WO2005119301A2
    • 2005-12-15
    • PCT/US2005/016904
    • 2005-05-13
    • HALLIBURTON ENERGY SERVICES, INC.GAO, LiRODNEY, Paul, F.
    • GAO, LiRODNEY, Paul, F.
    • G01V3/08
    • G01V11/002
    • A signaling apparatus comprises a magnet and a shield moveable relative to the magnet. The shield is moveable relative to the magnet between a first position in which the magnet is relatively exposed and a second position in which the magnet is relatively shielded. The apparatus can include a synchronization signal source, a downhole sensor signal source, and/or means for modulating the magnetic field in response to the signal from any source. A method of using the signaling apparatus to locate a bottomhole assembly includes moving the shield so as to modulate the magnetic field created by the magnet, sensing the modulation of the magnetic field, and determining the location of the bottomhole assembly using the information collected. The BHA can be located using phase shift or amplitude measurements. Receivers detecting the modulated magnetic field can be at or below the earth's surface.
    • 信号装置包括磁体和可相对于磁体移动的屏蔽件。 所述屏蔽件可相对于所述磁体在所述磁体相对暴露的第一位置和所述磁体相对被屏蔽的第二位置之间移动。 该装置可以包括同步信号源,井下传感器信号源和/或响应于来自任何源的信号来调制磁场的装置。 使用信号装置来定位井底组件的方法包括移动屏蔽件以便调制由磁体产生的磁场,感测磁场的调制,以及使用收集的信息来确定井底组件的位置。 可以使用相移或幅度测量来定位BHA。 检测调制磁场的接收机可以在地球表面以下。
    • 3. 发明申请
    • A DOWNHOLE POSITIONING SYSTEM
    • 井下定位系统
    • WO2005081993A2
    • 2005-09-09
    • PCT/US2005/005821
    • 2005-02-23
    • HALLIBURTON ENERGY SERVICES, INC.RODNEY, Paul, F.
    • RODNEY, Paul, F.
    • E21B47/04
    • E21B47/04
    • Downhole positioning systems and associated methods are disclosed. In some embodiments, the system comprises a downhole source, an array of receivers, and a data hub. The downhole source transmits an electromagnetic positioning signal that is received by the array of receivers. The data hub collects amplitude and/or phase measurements of the electromagnetic positioning signal from receivers in the array and combines these measurements to determine the position of the downhole source. The position may be tracked over time to determine the source's path. The position calculation may take various forms, including determination of a source-to-receiver distance for multiple receivers in the array, coupled with geometric analysis of the distances to determine source position. The electromagnetic positioning signal may be in the sub-hertz frequency range.
    • 公开了井下定位系统及相关方法。 在一些实施例中,该系统包括井下源,接收器阵列和数据集线器。 井下源发射由接收器阵列接收的电磁定位信号。 数据中心收集来自阵列中的接收器的电磁定位信号的振幅和/或相位测量,并组合这些测量值以确定井下源的位置。 该位置可能随时间被跟踪以确定源的路径。 位置计算可以采取各种形式,包括确定阵列中多个接收器的源到接收器距离,以及距离的几何分析以确定源位置。 电磁定位信号可以在亚赫兹频率范围内。
    • 5. 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。
    • 7. 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。
    • 9. 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。