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Patent Agency Ranking
公开(公告)号：US10240455B2
公开(公告)日：2019-03-26
申请号：US15032101
申请日：2014-10-27
Applicant: SHELL OIL COMPANY
Inventor： Petrus Hendrikus Maria Wilhemus In 'T Panhuis , Johannis Josephus Den Boer , Roel Marie Kusters , Dayeeta Roy , Daria Mustafina
Abstract: A method for monitoring fluid flow in a conduit comprises: acoustically coupling an optical fiber to the conduit adjacent one or more flow restrictions (R1-R4) in the conduit; inducing a Distributed Acoustic Sensing (DAS) assembly to measure an acoustic noise signature (SNR1-4) generated in the fiber by the fluid flowing through each flow restriction (R1-R4); deriving the fluid flow rate of the fluid (QI, QI+II) flowing through each flow restriction (R1-R4) from the measured acoustic noise signature (SNR1-4); and displaying the derived fluid flow rate (QI, QI+II) at a fluid flow rate monitoring display.
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公开(公告)号：US10139269B2
公开(公告)日：2018-11-27
申请号：US15677640
申请日：2017-08-15
Applicant: SHELL OIL COMPANY
Inventor： Johannis Josephus Den Boer , Albena Alexandrova Mateeva , Jeremiah Glen Pearce , Jeffery Joseph Mestayer , William Birch , Jorge Louis Lopez , Johan Cornelis Hornman , Boris Nikolaevich Kuvshinov
Abstract: A distributed fiber optic acoustic sensing system includes a cable having a cable length. The cable has an elongated body having an outer surface, and at least one straight optical fiber extending parallel to a longitudinal axis of the cable along the cable length; and one or more non-straight optical fibers, such as two orthogonal sinusoidal optical fibers extending along the cable length, or a helically wrapped optical fiber extending along the cable length. The sensing system further has light transmitting and receiving means optically connected to the optical fibers.
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3.发明授权Detecting broadside acoustic signals with a fiber optical distrubuted acoustic sensing (DAS) assembly 有权用纤维光学分散声学传感（DAS）组件检测宽侧声学信号公开(公告)号：US09494461B2
公开(公告)日：2016-11-15
申请号：US14365231
申请日：2012-12-13
Inventor： Kees Hornman , Albena Alexandrova Mateeva , Jeremiah Glen Pearce , Jeffery Joseph Mestayer , William Birch , Jorge Louis Lopez , Johannis Josephus Den Boer , Boris Nikolaevich Kuvshinov
Abstract: A distributed fiber optic acoustic sensing system comprises an elongate body having an outer surface, an optical fiber disposed on the outer surface at a first predetermined wrap angle, and light transmitting and receiving means optically connected to the fiber for. The elongate body may include at least one substantially flat face, and/or a layer of swellable elastomer surrounding the body, and/or an outer elastomeric tube surrounding the elastomer layer. There may be at least one sensor pad disposed in the outer layer, the sensor pad comprising a stiffener and at least one longitudinal fiber affixed thereto or embedded therein. There may be a body of protective material surrounding the tube, which may have an outer surface that includes at least one substantially flat face and at least one sensor pad disposed in the body.
Abstract translation: 分布式光纤声学感测系统包括具有外表面的细长主体，以第一预定包角设置在外表面上的光纤，以及光纤连接到光纤的光发射和接收装置。 细长主体可以包括至少一个基本平坦的表面，和/或围绕主体的可膨胀弹性体层，和/或围绕弹性体层的外部弹性体管。 可以在外层中设置至少一个传感器垫，传感器垫包括加强件和至少一个固定到其上的纵向纤维或嵌入其中。 可以存在围绕管的保护材料体，其可以具有包括至少一个基本上平坦的表面的外表面和设置在主体中的至少一个传感器垫。
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公开(公告)号：US09766119B2
公开(公告)日：2017-09-19
申请号：US15259348
申请日：2016-09-08
Applicant: SHELL OIL COMPANY
Inventor： Johannis Josephus Den Boer , Albena Alexandrova Mateeva , Jeremiah Glen Pearce , Jeffery Joseph Mestayer , William Birch , Jorge Louis Lopez , Johan Cornelis Hornman , Boris Nikolaevich Kuvshinov
Abstract: A method of distributed acoustic sensing includes providing a fiber optic distributed acoustic sensing system having a cable. A straight optical fiber extends parallel to a longitudinal axis of the cable along the cable length. A helically wrapped optical fiber extends along the cable length. The method includes transmitting optical signals into and receiving backscattered signals out of the optical fibers consisting of a component of said optical signals which component has been backscattered from impurities or inhomogeneities in the optical fibers, observing changes in the backscattered signals caused by axial stretching and compressing of the optical fibers caused by an incident wave, comparing the backscattered signals of the straight optical fiber and the helically wrapped fiber, and determining, based on the comparing of the backscattered signals, a direction of wave propagation of the incident wave with respect to the fiber axis for detecting broadside waves and axial waves distinguishably.
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5.发明申请DETECTING BROADSIDE ACOUSTIC SIGNALS WITH A FIBER OPTICAL DISTRUBUTED ACOUSTIC SENSING (DAS) ASSEMBLY 有权用纤维光学分布式声学传感（DAS）组件检测广播声音信号公开(公告)号：US20140345388A1
公开(公告)日：2014-11-27
申请号：US14365231
申请日：2012-12-13
Inventor： Johannis Josephus Den Boer , Albena Alexandrova Mateeva , Jeremiah Glen Pearce , Jeffery Joseph Mestayer , William Birch , Jorge Louis Lopez , Kees Hornman
IPC: G01H9/00
Abstract: A distributed fiber optic acoustic sensing system comprises an elongate body having an outer surface, an optical fiber disposed on the outer surface at a first predetermined wrap angle, and light transmitting and receiving means optically connected to the fiber for. The elongate body may include at least one substantially flat face, and/or a layer of swellable elastomer surrounding the body, and/or an outer elastomeric tube surrounding the elastomer layer. There may be at least one sensor pad disposed in the outer layer, the sensor pad comprising a stiffener and at least one longitudinal fiber affixed thereto or embedded therein. There may be a body of protective material surrounding the tube, which may have an outer surface that includes at least one substantially flat face and at least one sensor pad disposed in the body.
Abstract translation: 分布式光纤声学感测系统包括具有外表面的细长主体，以第一预定包角设置在外表面上的光纤，以及光纤连接到光纤的光发射和接收装置。 细长主体可以包括至少一个基本平坦的表面，和/或围绕主体的可膨胀弹性体层，和/或围绕弹性体层的外部弹性体管。 可以在外层中设置至少一个传感器垫，传感器垫包括加强件和至少一个固定到其上的纵向纤维或嵌入其中。 可以存在围绕管的保护材料体，其可以具有包括至少一个基本上平坦的表面的外表面和设置在主体中的至少一个传感器垫。
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