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    Flow Sensing in Subterranean Wells
    25.
    发明申请
    Flow Sensing in Subterranean Wells 审中-公开

    公开(公告)号：US20170138179A1

    公开(公告)日：2017-05-18

    申请号：US15325413

    申请日：2014-08-20

    Applicant: Halliburton Energy Services, Inc.

    Inventor： Mikko Jaaskelainen ,  Priyesh Ranjan ,  Nitika Kalia

    IPC: E21B47/10 ,  G01D5/353

    CPC classification number: E21B47/101 ,  E21B43/16 ,  E21B47/102 ,  E21B47/123 ,  G01D5/353

    Abstract: A flow rate sensing system can include an optical waveguide, an optical interrogator that detects optical scatter in the optical waveguide, and an emitter that produces vibration in response to flow, the optical scatter being influenced by the vibration. A method of measuring flow rate can include detecting optical scattering in an optical waveguide, the optical scattering varying in response to changes in vibration produced by an emitter, and the vibration changing in response to the flow rate changing. A well system can include at least one tubular string positioned in a wellbore, multiple locations at which fluid flows between an interior and an exterior of the tubular string, multiple emitters, each of which produces vibration in response to the flow between the interior and the exterior of the tubular string, and an optical waveguide in which optical scatter varies in response to changes in the vibration.

    Distributed acoustic sensing system with variable spatial resolution
    26.
    发明授权
    Distributed acoustic sensing system with variable spatial resolution 有权

    公开(公告)号：US09651709B2

    公开(公告)日：2017-05-16

    申请号：US14908320

    申请日：2013-08-30

    Applicant: Halliburton Energy Services, Inc.

    Inventor： Mikko Jaaskelainen

    IPC: G01D5/353 ,  G01V8/02 ,  E21B47/00 ,  E21B47/10 ,  G01V1/42

    CPC classification number: G01V8/02 ,  E21B47/00 ,  E21B47/101 ,  G01V1/42

    Abstract: Systems and methods for distributed acoustic sensing based on coherent Rayleigh scattering are disclosed herein. A system comprises a pulse generator, optical fibers coupled to the pulse generator, an interferometer coupled to the optical fibers, a photodetector assembly coupled to the interferometer, and an information handling system configured to detect a difference in backscattered light from the optical fibers. A method comprises sending an optical pulses down optical fibers, receiving backscattered light from the optical pulses, combining the backscattered light from the optical pulses to form an interferometric signal, receiving the interferometric signal at a photodetector assembly, and determining a difference in the interferometric signal at an information handling system.

    Remote pumped dual core optical fiber system for use in subterranean wells
    27.
    发明授权
    Remote pumped dual core optical fiber system for use in subterranean wells 有权
    用于地下井的远程泵浦双核光纤系统

    公开(公告)号：US09523787B2

    公开(公告)日：2016-12-20

    申请号：US13847183

    申请日：2013-03-19

    Applicant: HALLIBURTON ENERGY SERVICES, INC.

    Inventor： Mikko Jaaskelainen ,  Ian B. Mitchell

    IPC: G01V8/16 ,  H01S3/067 ,  E21B47/12 ,  H01S3/094

    CPC classification number: G01V8/16 ,  E21B47/123 ,  H01S3/06733 ,  H01S3/06754 ,  H01S3/094015 ,  H01S3/094069

    Abstract: A downhole optical system can include an optical fiber disposed in a subterranean well, and an optical fiber amplifier which amplifies optical power in a core of the optical fiber in the well, the amplifier being optically pumped with optical power in another core of the optical fiber in the well. Another downhole optical system can include an optical fiber disposed in a subterranean well, the optical fiber comprising multiple cores, and an optical fiber amplifier comprising multiple cores optically coupled respectively to the optical fiber multiple cores in the well.

    Abstract translation: 井下光学系统可以包括设置在地下井中的光纤和放大在井中的光纤的核心中的光功率的光纤放大器，放大器在光纤的另一个核心中用光功率光泵浦 在井里。 另一个井下光学系统可以包括设置在地下井中的光纤，该光纤包括多个核心，以及一个光纤放大器，包括分别光耦合到井中的光纤多个核心的多个核心。

    Sand control screen assembly with internal control lines
    30.
    发明授权
    Sand control screen assembly with internal control lines 有权
    防砂控制屏幕总成带内部控制线

    公开(公告)号：US09027639B2

    公开(公告)日：2015-05-12

    申请号：US14363335

    申请日：2013-07-08

    Applicant: Halliburton Energy Services, Inc.

    Inventor： Mikko Jaaskelainen ,  Stephen Michael Greci

    IPC: E21B43/08 ,  E21B47/06 ,  E21B47/12 ,  E21B43/12

    CPC classification number: E21B47/123 ,  E21B43/08 ,  E21B43/12 ,  E21B47/06 ,  E21B47/065

    Abstract: Disclosed are sand control screens and completion assemblies that receive, retain, and protect control lines during installation and operation thereof. One disclosed completion assembly includes a base pipe, at least one screen jacket positioned around the base pipe and operable to prevent an influx of particulate matter of a predetermined size therethrough, a control line housing arranged uphole from the at least one screen jacket and having a fiber optic splicing block disposed therein, the at least one fiber optic splicing block being communicably coupled to a control line that extends uphole from the control line housing, and one or more hydraulic conduits arranged longitudinally between the at least one screen jacket and the base pipe and extending from the control line housing.

    Abstract translation: 公开了在其安装和操作期间接收，保持和保护控制线的防砂屏和完井组件。 一个公开的完成组件包括基管，至少一个屏蔽护套，其围绕基管定位并且可操作以防止通过其中预定尺寸的颗粒物质的流入;控制线壳体，其布置在从所述至少一个屏蔽护套的上方，并具有 光纤拼接块设置在其中，所述至少一个光纤拼接块可通信地耦合到从控制线壳体向上延伸的控制线;以及一个或多个纵向布置在所述至少一个屏蔽护套和基管之间的液压导管 并从控制线壳体延伸。

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