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    • 3. 发明授权
    • Fiber optic tomographic imaging of borehole fluids
    • 井眼流体的光纤断层成像
    • US06355928B1
    • 2002-03-12
    • US09282581
    • 1999-03-31
    • Neal G. SkinnerGerald GardnerMargaret WaidWallace R. GardnerJohn Minear
    • Neal G. SkinnerGerald GardnerMargaret WaidWallace R. GardnerJohn Minear
    • G01V800
    • G01V8/02E21B47/102E21B49/08
    • This invention provides a method and an apparatus for fiber optic tomographic analysis and imaging of fluids. This invention includes a method for providing information on downhole fluid flowing in a hydrocarbon well, utilizing at least one downhole tomograph chamber (10). Light is introduced into the tomograph chamber (10) by an optical fiber bundle (24), and portions of the light are collected in other optical fiber bundles (32, 34). The collected portions of light are conveyed through the optical fiber bundles (32, 34) to a surface system (14), where the light is detected to produce signals proportional to the portions of light to provide information on optical properties of downhole fluid flowing in the well. This invention allows the generation of two or three dimensional images of multiple phase flow in the wellbore and allows determination of production parameters of multiple zones on an individual zone basis.
    • 本发明提供一种用于光纤断层摄影分析和流体成像的方法和装置。 本发明包括利用至少一个井下断层摄影室(10)提供在烃井中流动的井下流体的信息的方法。 通过光纤束(24)将光引入断层摄影机室(10),部分光收集在其他光纤束(32,34)中。 所收集的光部分通过光纤束(32,34)传送到表面系统(14),其中检测到光以产生与光部分成比例的信号,以提供关于在 那个井 本发明允许在井眼中产生多相流的二维或三维图像,并且允许基于单个区域确定多个区域的生产参数。
    • 6. 发明授权
    • Well tool actuator and isolation valve for use in drilling operations
    • 井工具执行器和隔离阀,用于钻井作业
    • US08757274B2
    • 2014-06-24
    • US13490936
    • 2012-06-07
    • Neal G. SkinnerMichael L. Fripp
    • Neal G. SkinnerMichael L. Fripp
    • E21B34/14
    • E21B34/06E21B41/00E21B47/01E21B47/14
    • A well tool actuator can include a series of chambers which, when opened in succession, cause the well tool to be alternately actuated. A method of operating a well tool actuator can include manipulating an object in a wellbore; a sensor of the actuator detecting the object manipulation; and the actuator actuating in response to the sensor detecting the object manipulation. A drilling isolation valve can comprise an actuator including a series of chambers which, when opened in succession, cause the isolation valve to be alternately opened and closed. A method of operating a drilling isolation valve can include manipulating an object in a wellbore, a sensor of the drilling isolation valve detecting the object manipulation, and the drilling isolation valve operating between open and closed configurations in response to the sensor detecting the object manipulation.
    • 井工具致动器可以包括一系列室,当连续打开时,使井工具交替地致动。 操作井工具致动器的方法可以包括操纵井眼中的物体; 执行器的传感器检测物体操纵; 并且所述致动器响应于所述传感器检测到所述物体操纵而致动。 钻井隔离阀可以包括致动器,该致动器包括一系列室,当连续打开时,隔离阀被交替地打开和关闭。 操作钻井隔离阀的方法可以包括操纵钻井中的物体,检测物体操纵的钻井隔离阀的传感器以及响应于传感器检测物体操纵而在打开和关闭构造之间操作的钻井隔离阀。
    • 7. 发明授权
    • Fluidic oscillator flowmeter for use with a subterranean well
    • 用于地下井的流体振荡器流量计
    • US08573066B2
    • 2013-11-05
    • US13213259
    • 2011-08-19
    • Roger L. SchultzRobert L. PipkinTravis W. CavenderNeal G. Skinner
    • Roger L. SchultzRobert L. PipkinTravis W. CavenderNeal G. Skinner
    • G01F1/20
    • G01F1/3227
    • A fluidic oscillator can include a fluid switch, at least two fluid paths from the fluid switch, and a sensor which measures a frequency of fluctuations in flow through the fluidic oscillator. A method of measuring a flow rate of a fluid can include flowing the fluid through a fluidic oscillator, a majority of the fluid flowing alternately via at least two fluid paths from a fluid switch of the fluidic oscillator, and a sensor detecting a frequency of the flow alternating between the fluid paths. Another fluidic oscillator can include a fluid input, at least two fluid paths from the fluid input to respective fluid outputs, whereby a majority of fluid which flows through the fluidic oscillator flows alternately via the fluid paths, and a sensor which detects pressure fluctuations due to the flow alternating between the fluid paths.
    • 流体振荡器可以包括流体开关,来自流体开关的至少两个流体路径和测量流过流体振荡器的流量波动频率的传感器。 测量流体流速的方法可以包括使流体流过流体振荡器,大部分流体经由至少两个流体路径从流体振荡器的流体开关交替流动,并且传感器检测流体振荡器的频率 在流体路径之间交替流动。 另一个流体振荡器可以包括流体输入,从流体输入到相应的流体输出的至少两个流体路径,由此流过流体振荡器的大部分流体经由流体路径交替流动;以及传感器,其检测由于 流体在流体路径之间交替。
    • 10. 发明授权
    • Pressure and flow control in drilling operations
    • 钻井作业中的压力和流量控制
    • US08281875B2
    • 2012-10-09
    • US12638012
    • 2009-12-15
    • James R. LovornCarlos BruderNeal G. SkinnerJoe Karigan
    • James R. LovornCarlos BruderNeal G. SkinnerJoe Karigan
    • E21B44/00
    • E21B21/08E21B21/10
    • A well drilling system for use with a drilling fluid pump includes a flow control device regulating flow from the pump to a drill string interior; and another flow control device regulating flow through a line in communication with an annulus. Flow is simultaneously permitted through the flow control devices. A method of maintaining a desired bottom hole pressure includes dividing drilling fluid flow between a line in communication with a drill string interior and a line in communication with an annulus; the flow dividing step including permitting flow through a flow control device interconnected between a pump and the drill string interior; and the flow dividing step including permitting flow through another flow control device interconnected between the pump and the annulus, while flow is permitted through the first flow control device.
    • 用于钻井液泵的钻井系统包括调节从泵到钻柱内部的流动的流量控制装置; 以及另一个流量控制装置,其调节通过与环形空间连通的线路的流动。 通过流量控制装置同时允许流量。 保持所需井底压力的方法包括在与钻柱内部连通的管线与与环空连通的管线之间划分钻井液流; 所述分流步骤包括允许通过在泵和所述钻柱内部之间互连的流量控制装置的流动; 并且所述分流步骤包括允许通过所述泵和所述环之间互连的另一流量控制装置的流动,同时允许通过所述第一流量控制装置的流动。