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    Electrode adapter for geophysical surveys
    182.
    发明授权
    Electrode adapter for geophysical surveys 有权

    公开(公告)号：US10012751B2

    公开(公告)日：2018-07-03

    申请号：US14561315

    申请日：2014-12-05

    Applicant: PGS Geophysical AS

    Inventor： Geir Andre Motzfeldt Drange

    IPC: G01V3/12 ,  G01V3/165 ,  G01V1/20 ,  G01V3/36

    CPC classification number: G01V3/165 ,  G01V1/201 ,  G01V3/12 ,  G01V3/36

    Abstract: An apparatus. At least some illustrative embodiments are an apparatus comprising a sensor streamer. The sensor streamer includes at least one seismic streamer section and a first electrode adapter removably attached to the at least one seismic streamer section. The first electrode adapter includes a first electrode, wherein the first electrode is configured to couple to electrical circuitry configured to measure a potential difference between the first electrode at a first potential and a second potential. The conducting member forms a reference potential, wherein the conducting member is floating. The at least one seismic streamer section is without electromagnetic field-sensing components.

    Seismic Sensor Cable
    184.
    发明申请
    Seismic Sensor Cable 审中-公开

    公开(公告)号：US20180136348A1

    公开(公告)日：2018-05-17

    申请号：US15572780

    申请日：2016-06-08

    Applicant: WESTERNGECO LLC

    Inventor： Fabien Guizelin ,  Susanne Rentsch-Smith ,  Bent Andreas Kjellesvig

    IPC: G01V1/20

    CPC classification number: G01V1/201 ,  G01V2001/207

    Abstract: A seismic streamer in accordance to aspects of the disclosure includes an outer skin formed in a longitudinally extending tubular shape, an inner surface of the outer skin defining an internal volume, a strength member that extends through the internal volume in a direction parallel to that of the longitudinally extending tubular shape, a filler material disposed in the internal volume and a sensor housing located in the internal volume and internally disposing a seismic sensor.

    Geophysical Sensor Cable Methods and Systems
    185.
    发明申请
    Geophysical Sensor Cable Methods and Systems 审中-公开

    公开(公告)号：US20180113228A1

    公开(公告)日：2018-04-26

    申请号：US15788363

    申请日：2017-10-19

    Applicant: PGS Geophysical AS

    Inventor： Geir Andre Motzfeldt Drange ,  Jamie Alexander Ricks

    IPC: G01V1/20 ,  G01V1/38

    CPC classification number: G01V1/201 ,  G01V1/3808 ,  G01V2210/1423

    Abstract: Geophysical sensor cable. At least some of the example embodiments are methods including creating a geophysical sensor cable by: creating a first window through the insulation of a first electrical conductor; creating a second window through the insulation of a second electrical conductor; placing the first and second electrical conductors in a clip; twisting the first and second electrical conductors to create a twisted pair; electrically coupling a first lead of a seismic sensor to the first electrical conductor through a first window; electrically coupling a second lead of the seismic sensor to the second electrical conductor through a second window; encapsulating at least a portion of an internal volume of the clip; and placing the twisted pair and the seismic sensor within an outer jacket of a geophysical sensor cable.

    Methods and systems for towing acoustic source sub-arrays
    187.
    发明授权
    Methods and systems for towing acoustic source sub-arrays 有权

    公开(公告)号：US09823371B2

    公开(公告)日：2017-11-21

    申请号：US14572882

    申请日：2014-12-17

    Applicant: PGS Geophysical AS

    Inventor： Andrew Samuel Long

    IPC: G01V1/38 ,  G01V1/20 ,  B63B21/66

    CPC classification number: G01V1/3817 ,  B63B21/66 ,  G01V1/201

    Abstract: Acoustic source arrays and related methods. At least some of the example embodiments are methods including towing a first source sub-array comprising a first surface float, the first surface float defines a first connection point at a proximal end of the first surface float. The method may further include towing a second source sub-array comprising a second surface float, the second surface float defines a second connection point at a proximal end of the second surface float. And during the towing of the first and second source sub-arrays, the method may include maintaining a lateral separation between the first and second connection points of the first and second surface floats by a first strut, the first strut coupled between the first connection point of the first surface float and the second connection point of the second surface float.

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