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    DETECTING BROADSIDE ACOUSTIC SIGNALS WITH A FIBER OPTICAL DISTRIBUTED ACOUSTIC SENSING (DAS) ASSEMBLY
    1.
    发明申请
    DETECTING BROADSIDE ACOUSTIC SIGNALS WITH A FIBER OPTICAL DISTRIBUTED ACOUSTIC SENSING (DAS) ASSEMBLY 有权
    用光纤分布式声学感应（DAS）组件检测广播声音信号

    公开(公告)号：US20160377476A1

    公开(公告)日：2016-12-29

    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

    IPC: G01H9/00 ,  G01V1/40

    CPC classification number: G01H9/006 ,  G01H9/004 ,  G01V1/226 ,  G01V1/40

    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。

    SEISMIC ACQUISITION METHOD AND SYSTEM
    3.
    发明申请
    SEISMIC ACQUISITION METHOD AND SYSTEM 有权
    地震采集方法与系统

    公开(公告)号：US20160209529A1

    公开(公告)日：2016-07-21

    申请号：US14914443

    申请日：2014-08-25

    Applicant: SHELL OIL COMPANY

    Inventor： Boris Nikolaevich KUVSHINOV ,  Mikhail Garievich DANILOUCHKINE ,  Robert VAN ES ,  Theodericus Johannes Henricus SMIT ,  Horng Jye HWANG

    IPC: G01V1/00 ,  G01V1/137 ,  G01V1/38

    CPC classification number: G01V1/005 ,  G01V1/137 ,  G01V1/3808

    Abstract: Seismic pulses are emitted are emitted with consecutive time intervals that follow a pattern described by several Golomb rulers, wherein at least two of the Golomb rulers have at least four marks, such that pair-wise time intervals between seismic pulse emissions are different, to distinguish seismic reflections stemming from different seismic pulses and/or seismic sources from each other. This allows executing seismic surveys with several simultaneously operated seismic source arrays, thereby reducing the survey cost. In a marine environment the seismic sources may be airgun arrays towed by one or more vessels, and the method can be also applied onshore.

    Abstract translation: 发射的地震脉冲以连续的时间间隔发射，遵循几个哥伦比亚标尺所描述的模式，其中至少两个哥伦比标尺具有至少四个标记，使得地震脉冲发射之间的成对时间间隔不同，以区分 由不同的地震脉冲和/或地震源彼此产生的地震反射。 这允许使用几个同时操作的地震源阵列进行地震勘测，从而降低勘测成本。 在海洋环境中，地震源可能是由一个或多个船舶拖曳的气枪阵列，该方法也可以在陆上应用。

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