Downhole fiber optic sensors with downhole optical interrogator
    1.
    发明授权
    Downhole fiber optic sensors with downhole optical interrogator 有权
    井下光纤传感器,带井下光盘询问器

    公开(公告)号:US09448312B1

    公开(公告)日:2016-09-20

    申请号:US14645122

    申请日:2015-03-11

    摘要: An apparatus for sensing a parameter beneath a surface of the earth includes an optical fiber disposed beneath a surface of the earth and comprising at least one fiber Bragg grating sensor configured to sense the parameter and a wide-band light source disposed beneath the surface of the earth and configured to emit light in a wide band of wavelengths to illuminate the at least one fiber Bragg grating. An optical interrogator is disposed beneath the surface of the earth and configured to receive light reflected by the at least one fiber Bragg grating sensor and to transform a shift in wavelength of the reflected light into a variation of light intensity. A photo-sensor is configured to measure intensity of light received from the optical interrogator. Electronics are coupled to the photo-sensor and configured to measure a voltage representing the light intensity at the photo-sensor to sense the parameter.

    摘要翻译: 用于感测地球表面下方的参数的装置包括设置在地表面下方的光纤,并且包括配置成感测参数的至少一个光纤布拉格光栅传感器和设置在该地面下方的宽带光源 并且被配置为发射宽波段的光以照射所述至少一个光纤布拉格光栅。 光学询问器设置在地表的下面,并被配置为接收由至少一个光纤布拉格光栅传感器反射的光并且将反射光的波长偏移转换为光强度的变化。 光传感器被配置为测量从光学询问器接收的光的强度。 电子器件耦合到光传感器并且被配置为测量表示光传感器处的光强度的电压以感测参数。

    DOWNHOLE FIBER OPTIC SENSORS WITH DOWNHOLE OPTICAL INTERROGATOR
    2.
    发明申请
    DOWNHOLE FIBER OPTIC SENSORS WITH DOWNHOLE OPTICAL INTERROGATOR 有权
    卧式光纤传感器

    公开(公告)号:US20160266265A1

    公开(公告)日:2016-09-15

    申请号:US14645122

    申请日:2015-03-11

    摘要: An apparatus for sensing a parameter beneath a surface of the earth includes an optical fiber disposed beneath a surface of the earth and comprising at least one fiber Bragg grating sensor configured to sense the parameter and a wide-band light source disposed beneath the surface of the earth and configured to emit light in a wide band of wavelengths to illuminate the at least one fiber Bragg grating. An optical interrogator is disposed beneath the surface of the earth and configured to receive light reflected by the at least one fiber Bragg grating sensor and to transform a shift in wavelength of the reflected light into a variation of light intensity. A photo-sensor is configured to measure intensity of light received from the optical interrogator. Electronics are coupled to the photo-sensor and configured to measure a voltage representing the light intensity at the photo-sensor to sense the parameter.

    摘要翻译: 用于感测地球表面下方的参数的装置包括设置在地表面下方的光纤,并且包括配置成感测参数的至少一个光纤布拉格光栅传感器和设置在该地面下方的宽带光源 并且被配置为发射宽波段的光以照射所述至少一个光纤布拉格光栅。 光学询问器设置在地表的下面,并被配置为接收由至少一个光纤布拉格光栅传感器反射的光并且将反射光的波长偏移转换为光强度的变化。 光传感器被配置为测量从光学询问器接收的光的强度。 电子器件耦合到光传感器并且被配置为测量表示光传感器处的光强度的电压以感测参数。

    Desorption of a Desiccant By Radio Waves or Microwaves For a Downhole Sorption Cooler
    3.
    发明申请
    Desorption of a Desiccant By Radio Waves or Microwaves For a Downhole Sorption Cooler 有权
    通过无线电波或微波对于井下吸附式冷却器解吸干燥剂

    公开(公告)号:US20120285178A1

    公开(公告)日:2012-11-15

    申请号:US13105604

    申请日:2011-05-11

    IPC分类号: F25B21/00 F25B17/00

    CPC分类号: E21B36/001

    摘要: A method, apparatus and system for cooling a component of a downhole tool is disclosed. The apparatus includes a first desiccant configured to adsorb a refrigerant gas. A transmitter is configured to transmit electromagnetic energy into the first desiccant to enable desorption of the refrigerant gas from the first desiccant. A condenser condenses the desorbed refrigerant gas into a liquid phase. The condensed refrigerant evaporates from a liquid phase to a gaseous phase to cool the component. A second desiccant can be used, wherein the processor is configured to operate the cooling system in a first mode of operation in which the first desiccant is in thermal communication with the component and the second desiccant is thermally isolated from the component and a second mode of operation in which the second desiccant is in thermal communication with the component and the first desiccant is thermally isolated from the component.

    摘要翻译: 公开了一种用于冷却井下工具的部件的方法,装置和系统。 该装置包括构造成吸附制冷剂气体的第一干燥剂。 发射机被配置为将电磁能量传输到第一干燥剂中,以使制冷剂气体能够从第一干燥剂解吸。 冷凝器将解吸的制冷剂气体冷凝成液相。 冷凝的制冷剂从液相蒸发到气相以冷却组分。 可以使用第二干燥剂,其中处理器被配置为在第一操作模式中操作冷却系统,其中第一干燥剂与部件热连通,并且第二干燥剂与部件热隔离,第二模式 所述第二干燥剂与所述部件热连通并且所述第一干燥剂与所述部件热隔离的操作。

    Apparatus and Method for Determining a Fluid Property Downhole Using a Bulk Reading Refractometer
    4.
    发明申请
    Apparatus and Method for Determining a Fluid Property Downhole Using a Bulk Reading Refractometer 有权
    使用散点读数折射仪确定井下流体特性的装置和方法

    公开(公告)号:US20140300889A1

    公开(公告)日:2014-10-09

    申请号:US13856815

    申请日:2013-04-04

    IPC分类号: G01V8/10 G01N21/41

    摘要: In one aspect, an apparatus for determining a property of a fluid is disclosed that in one embodiment may include a transparent member having an axis and a first end substantially perpendicular to the axis and a second end having an outer surface at a first angle to the axis, a light source directing light at the first end, a detector placed spaced from the second end, the space between the second end and the detector containing a fluid, wherein the detector detects light exiting from the outer surface at a second angle to the axis and passing through the fluid, and a controller for determining the second angle from the light detected by the detector. A processor determines the bulk fluid refractive index from the light detected by the detector and a property of the fluid therefrom.

    摘要翻译: 在一个方面,公开了一种用于确定流体性质的装置,其在一个实施例中可以包括透明构件,该透明构件具有轴线和基本上垂直于该轴线的第一端,而第二端部具有与 轴,在第一端引导光的光源,与第二端间隔开的检测器,第二端和检测器之间的空间包含流体,其中检测器以与第二端相反的第二角度检测从外表面出射的光 并且通过流体;以及控制器,用于根据由检测器检测到的光来确定第二角度。 处理器根据由检测器检测到的光和从其中的流体的性质确定散装流体的折射率。

    Directional control of downhole component using NMR measurements

    公开(公告)号:US11313991B2

    公开(公告)日:2022-04-26

    申请号:US16867958

    申请日:2020-05-06

    摘要: A system for acquiring directional information about a geologic formation includes at least one directionally sensitive nuclear magnetic resonance (NMR) assembly disposed at a borehole string including the downhole component. The at least one NMR assembly includes at least one magnet configured to generate a static magnetic field and at least one coil configured to generate an oscillating magnetic field, the at least one NMR assembly configured to perform an NMR measurement of at least one sector of a formation region. The system also includes a processing device configured to receive NMR measurement data from the at least one NMR assembly. The processing device is configured to analyze the NMR measurement data to estimate a parameter of the sector, determine a direction of the downhole component based on the estimated parameter; and steer the downhole component according to the determined direction.

    Material characteristic estimation using internal reflectance spectroscopy
    6.
    发明授权
    Material characteristic estimation using internal reflectance spectroscopy 有权
    使用内部反射光谱的材料特性估计

    公开(公告)号:US09404362B2

    公开(公告)日:2016-08-02

    申请号:US14091752

    申请日:2013-11-27

    IPC分类号: G01V5/08 E21B49/08 G01N21/552

    摘要: An apparatus for measuring fluid characteristics includes: a solid transparent body including a plurality of internally reflective surfaces defining a n-sided base having a polygonal shape and having at least three sides, each reflective surface forming a side of the polygonal shape, the plurality of surfaces configured to direct the electromagnetic radiation beam along a path within the solid transparent body from an entry area to an exit area on the solid transparent body; an electromagnetic radiation source coupled to the entry area on the solid transparent body; and a detector coupled to the exit area on the solid transparent body and configured to receive at least a fraction of the reflected electromagnetic radiation beam, the detector configured to generate a signal based on the received electromagnetic radiation beam and transmit the signal to a processor for at least one of analysis of material characteristics and data storage.

    摘要翻译: 一种用于测量流体特性的装置包括:固体透明体,其包括多个内反射表面,其限定具有多边形形状并且具有至少三个侧面的n侧基底,每个反射表面形成多边形形状的一侧, 表面,其被配置为沿着固体透明体内的路径将电磁辐射束从入口区域引导到固体透明体上的出口区域; 耦合到固体透明体上的入口区域的电磁辐射源; 以及检测器,其耦合到所述固体透明体上的出口区域并且被配置为接收所述反射的电磁辐射束的至少一部分,所述检测器被配置为基于所接收的电磁辐射束产生信号,并将所述信号传送到处理器 对材料特性和数据存储的分析中的至少一个。

    Desorption of a desiccant by radio waves or microwaves for a downhole sorption cooler
    7.
    发明授权
    Desorption of a desiccant by radio waves or microwaves for a downhole sorption cooler 有权
    通过无线电波或微波对井下吸附冷却器解吸干燥剂

    公开(公告)号:US09359867B2

    公开(公告)日:2016-06-07

    申请号:US13105604

    申请日:2011-05-11

    IPC分类号: F25B27/00 E21B36/00

    CPC分类号: E21B36/001

    摘要: A method, apparatus and system for cooling a component of a downhole tool is disclosed. The apparatus includes a first desiccant configured to adsorb a refrigerant gas. A transmitter is configured to transmit electromagnetic energy into the first desiccant to enable desorption of the refrigerant gas from the first desiccant. A condenser condenses the desorbed refrigerant gas into a liquid phase. The condensed refrigerant evaporates from a liquid phase to a gaseous phase to cool the component. A second desiccant can be used, wherein the processor is configured to operate the cooling system in a first mode of operation in which the first desiccant is in thermal communication with the component and the second desiccant is thermally isolated from the component and a second mode of operation in which the second desiccant is in thermal communication with the component and the first desiccant is thermally isolated from the component.

    摘要翻译: 公开了一种用于冷却井下工具的部件的方法,装置和系统。 该装置包括构造成吸附制冷剂气体的第一干燥剂。 发射机被配置为将电磁能量传输到第一干燥剂中,以使制冷剂气体能够从第一干燥剂解吸。 冷凝器将解吸的制冷剂气体冷凝成液相。 冷凝的制冷剂从液相蒸发到气相以冷却组分。 可以使用第二干燥剂,其中处理器被配置为在第一操作模式中操作冷却系统,其中第一干燥剂与部件热连通,并且第二干燥剂与部件热隔离,第二模式 所述第二干燥剂与所述部件热连通并且所述第一干燥剂与所述部件热隔离的操作。

    DIRECTIONAL CONTROL OF DOWNHOLE COMPONENT USING NMR MEASUREMENTS

    公开(公告)号:US20210349232A1

    公开(公告)日:2021-11-11

    申请号:US16867958

    申请日:2020-05-06

    摘要: A system for acquiring directional information about a geologic formation includes at least one directionally sensitive nuclear magnetic resonance (NMR) assembly disposed at a borehole string including the downhole component. The at least one NMR assembly includes at least one magnet configured to generate a static magnetic field and at least one coil configured to generate an oscillating magnetic field, the at least one NMR assembly configured to perform an NMR measurement of at least one sector of a formation region. The system also includes a processing device configured to receive NMR measurement data from the at least one NMR assembly. The processing device is configured to analyze the NMR measurement data to estimate a parameter of the sector, determine a direction of the downhole component based on the estimated parameter; and steer the downhole component according to the determined direction.

    MATERIAL CHARACTERISTIC ESTIMATION USING INTERNAL REFLECTANCE SPECTROSCOPY
    10.
    发明申请
    MATERIAL CHARACTERISTIC ESTIMATION USING INTERNAL REFLECTANCE SPECTROSCOPY 有权
    使用内部反射光谱的材料特性估计

    公开(公告)号:US20150144776A1

    公开(公告)日:2015-05-28

    申请号:US14091752

    申请日:2013-11-27

    IPC分类号: G01V8/14 E21B49/08

    摘要: An apparatus for measuring fluid characteristics includes: a solid transparent body including a plurality of internally reflective surfaces defining a n-sided base having a polygonal shape and having at least three sides, each reflective surface forming a side of the polygonal shape, the plurality of surfaces configured to direct the electromagnetic radiation beam along a path within the solid transparent body from an entry area to an exit area on the solid transparent body; an electromagnetic radiation source coupled to the entry area on the solid transparent body; and a detector coupled to the exit area on the solid transparent body and configured to receive at least a fraction of the reflected electromagnetic radiation beam, the detector configured to generate a signal based on the received electromagnetic radiation beam and transmit the signal to a processor for at least one of analysis of material characteristics and data storage.

    摘要翻译: 一种用于测量流体特性的装置包括:固体透明体,其包括多个内反射表面,其限定具有多边形形状并且具有至少三个侧面的n侧基底,每个反射表面形成多边形形状的一侧, 表面,其被配置为沿着固体透明体内的路径将电磁辐射束从入口区域引导到固体透明体上的出口区域; 耦合到固体透明体上的入口区域的电磁辐射源; 以及检测器,其耦合到所述固体透明体上的出口区域并且被配置为接收所述反射的电磁辐射束的至少一部分,所述检测器被配置为基于所接收的电磁辐射束产生信号,并将所述信号传送到处理器 对材料特性和数据存储的分析中的至少一个。