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    • 1. 发明授权
    • Apparatus and method for controlling fluid flow between formations and wellbores
    • 用于控制地层和井筒之间流体流动的装置和方法
    • US08424609B2
    • 2013-04-23
    • US12725273
    • 2010-03-16
    • Darin H. DuphorneEddie G. Bowen
    • Darin H. DuphorneEddie G. Bowen
    • E03B3/18E03B3/24E03B3/26
    • E21B43/12Y10T29/49405
    • In one aspect, a passive flow control device for controlling flow of a fluid is provided, which device in one configuration include a longitudinal member configured to receive fluid radially along a selected length of the longitudinal member, the longitudinal member including flow restrictions configured to cause a pressure drop across the radial direction of the longitudinal member. In another aspect, a method of completing a wellbore is provided, which method in one embodiment may include providing a flow control device that includes a tubular with a first set of fluid flow passages and at least one member with a second set of fluid passages placed outside the tubular, wherein the first and second set of passages are offset along a longitudinal direction and the member is configured to receive a fluid along the radial direction; placing the flow control device at a selected location a wellbore; and allowing a fluid flow between the formation and the flow control device.
    • 在一个方面,提供了一种用于控制流体流动的被动流量控制装置,其中一个结构中的装置包括纵向构件,该纵向构件构造成沿着纵向构件的选定长度径向地接收流体,纵向构件包括流动限制, 在纵向构件的径向方向上的压降。 在另一方面,提供了一种完成井孔的方法,在一个实施例中,该方法可以包括提供流量控制装置,其包括具有第一组流体流动通道的管状物和至少一个具有第二组流体通道的构件 在所述管状物的外部,其中所述第一组和第二组通道沿着纵向方向偏移,并且所述构件构造成沿径向接收流体; 将流量控制装置放置在选定的位置处; 并允许地层和流量控制装置之间的流体流动。
    • 2. 发明申请
    • Apparatus and Method for Controlling Fluid Flow Between Formations and Wellbores
    • 用于控制地层和井筒之间流体流动的装置和方法
    • US20110226481A1
    • 2011-09-22
    • US12725273
    • 2010-03-16
    • Darin H. DuphorneEddie G. Bowen
    • Darin H. DuphorneEddie G. Bowen
    • E21B43/00E21B33/12B21D51/16
    • E21B43/12Y10T29/49405
    • In one aspect, a passive flow control device for controlling flow of a fluid is provided, which device in one configuration include a longitudinal member configured to receive fluid radially along a selected length of the longitudinal member, the longitudinal member including flow restrictions configured to cause a pressure drop across the radial direction of the longitudinal member. In another aspect, a method of completing a wellbore is provided, which method in one embodiment may include providing a flow control device that includes a tubular with a first set of fluid flow passages and at least one member with a second set of fluid passages placed outside the tubular, wherein the first and second set of passages are offset along a longitudinal direction and the member is configured to receive a fluid along the radial direction; placing the flow control device at a selected location a wellbore; and allowing a fluid flow between the formation and the flow control device.
    • 在一个方面,提供了一种用于控制流体流动的被动流量控制装置,其中一个结构中的装置包括纵向构件,该纵向构件构造成沿着纵向构件的选定长度径向地接收流体,纵向构件包括流动限制, 在纵向构件的径向方向上的压降。 在另一方面,提供了一种完成井孔的方法,在一个实施例中,该方法可以包括提供流量控制装置,其包括具有第一组流体流动通道的管状物和至少一个具有第二组流体通道的构件 在所述管状物的外部,其中所述第一组和第二组通道沿着纵向方向偏移,并且所述构件构造成沿径向接收流体; 将流量控制装置放置在选定的位置处; 并允许地层和流量控制装置之间的流体流动。
    • 3. 发明授权
    • Apparatus and methods for leak detection in wellbores using nonradioactive tracers
    • 使用非放射性示踪剂的井筒泄漏检测装置和方法
    • US09593572B2
    • 2017-03-14
    • US14503963
    • 2014-10-01
    • Darin H. DuphorneRocco DiFoggio
    • Darin H. DuphorneRocco DiFoggio
    • E21B47/10G01V5/10
    • E21B47/1015G01V5/101
    • In one aspect, a wellbore system is disclosed for determining breach of cement section in the wellbore, wherein the system includes a cement section in the wellbore formed to prevent flow of fluids including hydrocarbons through the cement section, nonradioactive tracers that emit radioactive emission when activated by a radiation source, a radioactive source that generates radioactive particles to activate the nonradioactive tracers that have migrated through the cement to cause the nonradioactive tracers to emit radiation, a detector for detecting the radioactive emission from the nonradioactive tracer, and a processor that determines from the detected radioactive emission a fluid leak through the cement section.
    • 在一个方面,公开了一种用于确定井眼中的水泥段的破裂的井眼系统,其中该系统包括在井筒中形成的水​​泥段,以防止包括通过水泥段的烃的流体流动,当被激活时发射放射性发射的非放射性示踪剂 通过辐射源产生放射性源,其产生放射性粒子以激活已经通过水泥迁移以引起非放射性示踪剂发射辐射的非放射性示踪物,用于检测来自非放射性示踪剂的放射性发射的检测器,以及从非放射性源 检测到的放射性污染物通过水泥段泄漏。
    • 4. 发明申请
    • Wellbore Systems with Hydrocarbon Leak Detection Apparatus and Methods
    • 具有烃泄漏检测装置和方法的井筒系统
    • US20150330214A1
    • 2015-11-19
    • US14278236
    • 2014-05-15
    • Darin H. Duphorne
    • Darin H. Duphorne
    • E21B47/10
    • E21B33/134E21B33/04E21B33/13E21B47/0005E21B47/10E21B47/1005E21B47/1025
    • In one aspect, a wellbore system is disclosed that in one non-limiting embodiment includes a cement section in the wellbore formed to prevent flow of fluids including hydrocarbons through the cement section, a plug disposed uphole of the cement section to provide a space between the cement section and the plug and a sensor in the space for providing measurements relating to a parameter of interest. In one aspect, the parameter of interest may include one or more of presence and extent of a hydrocarbon, presence of moisture; pressure; and temperature. The system may further include a transmitter that transmits measurements from the sensor via a communication line or wirelessly to a receiver for processing the sensor measurements.
    • 在一个方面,公开了一种井筒系统,其在一个非限制性实施例中包括在井筒中形成的水​​泥部分,其被形成以防止包括通过水泥段的烃的流体流动,设置在水泥段的上方以提供空间 水泥段和插头以及在该空间中的传感器,用于提供与感兴趣的参数有关的测量。 在一个方面,感兴趣的参数可以包括烃的存在和程度,水分的存在中的一种或多种; 压力; 和温度。 该系统还可以包括发射机,其将测量从传感器经由通信线路或无线地发射到接收机,以处理传感器测量结果。
    • 10. 发明授权
    • Convertible downhole devices
    • 可转换井下设备
    • US08672041B2
    • 2014-03-18
    • US12802675
    • 2010-06-11
    • Darin H. Duphorne
    • Darin H. Duphorne
    • E21B43/00E21B29/00E21B33/14
    • E21B29/00E21B23/02E21B33/12E21B33/134E21B34/063
    • A convertible downhole device comprises at least one sacrificial material to provide two or more configurations so that two or more different operations or functions are performable by the downhole device, one in which the sacrificial material is fully intact and another in which the sacrificial material is at least partially removed or disappeared. The sacrificial material may be removable through any suitable method or device, such as by contacting with a fluid, by temperature, by pressure, or by combustion, ignition, or activation of a fusible or energetic material, or crushing or breaking up of a frangible material. Upon removal of the sacrificial material, the downhole device has at least one additional configuration so that at least a second operation can be performed by the downhole device.
    • 可转换的井下装置包括至少一种牺牲材料以提供两种或多种构造,使得两个或更多个不同的操作或功能可由井下装置执行,其中牺牲材料完全完整,牺牲材料处于 最少部分消除或消失。 牺牲材料可以通过任何合适的方法或装置移除,例如通过温度,压力或通过燃烧,点燃或激活可熔或高能材料与流体接触,或破碎或破碎易碎的 材料。 在去除牺牲材料时,井下装置具有至少一个附加构造,使得井下装置可以执行至少第二操作。