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    System and method of marine geophysical surveys with distributed seismic sources
    7.
    发明授权
    System and method of marine geophysical surveys with distributed seismic sources 有权

    公开(公告)号：US10222499B2

    公开(公告)日：2019-03-05

    申请号：US15366641

    申请日：2016-12-01

    申请人： PGS Geophysical AS

    发明人： Rune Tønnessen ,  Mattias D. C. Oscarsson

    IPC分类号： G01V1/38 ,  G01V1/04

    摘要： Marine geophysical surveys with distributed seismic sources. At least some of the example embodiments are methods including performing a marine geophysical survey by: towing a plurality of high-frequency sources spread along a width of an array of sensors, the high-frequency sources having a first source density with respect to the width; and towing a plurality of mid-frequency sources spread along the width, the mid-frequency sources have a second source density with respect to the width, the second source density lower than the first source density; and towing a low-frequency source along the width; activating the high-frequency, mid-frequency, and low-frequency sources.

    SYSTEM AND METHOD OF MARINE GEOPHYSICAL SURVEYS WITH DISTRIBUTED SEISMIC SOURCES
    8.
    发明申请
    SYSTEM AND METHOD OF MARINE GEOPHYSICAL SURVEYS WITH DISTRIBUTED SEISMIC SOURCES 审中-公开

    公开(公告)号：US20170199292A1

    公开(公告)日：2017-07-13

    申请号：US15366641

    申请日：2016-12-01

    申请人： PGS Geophysical AS

    发明人： Rune Tønnessen ,  Mattias D. C. Oscarsson

    IPC分类号： G01V1/38 ,  G01V1/04

    CPC分类号： G01V1/3808 ,  G01V1/04 ,  G01V1/3861

    摘要： Marine geophysical surveys with distributed seismic sources. At least some of the example embodiments are methods including performing a marine geophysical survey by: towing a plurality of high-frequency sources spread along a width of an array of sensors, the high-frequency sources having a first source density with respect to the width; and towing a plurality of mid-frequency sources spread along the width, the mid-frequency sources have a second source density with respect to the width, the second source density lower than the first source density; and towing a low-frequency source along the width; activating the high-frequency, mid-frequency, and low-frequency sources.

    Method and System for Adjusting Vessel Turn Time with Tension Feedback
    9.
    发明申请
    Method and System for Adjusting Vessel Turn Time with Tension Feedback 有权
    用张力反馈调节船舶转弯时间的方法和系统

    公开(公告)号：US20160041282A1

    公开(公告)日：2016-02-11

    申请号：US14919243

    申请日：2015-10-21

    申请人： PGS Geophysical AS

    发明人： Jan Erik Stokkeland ,  Mattias Dan Christian Oscarsson ,  Rune Tønnessen

    IPC分类号： G01V1/38

    CPC分类号： G01V1/3826 ,  G01V1/3808

    摘要： Disclosed are methods and systems for using tension feedback from steerable deflectors. In one example, a method may comprise: towing sensors streamers in a body of water from a survey vessel, wherein each of the sensor streamers comprises geophysical sensors at spaced apart locations; towing steerable deflectors in the body of water from the survey vessel, wherein the steerable deflectors are used to provide a lateral component of force to the sensors streamers as the steerable deflectors are towed through the body of water; turning the survey vessel; measuring tension at the steerable deflectors during the step of turning the survey vessel; and in response to the step of measuring tension, determining at least one of a reduced vessel operating speed, an increased vessel operating speed, a reduced angle of attack for at least one of the steerable deflectors, an increased angle of attack for at least one of the steerable, an increased vessel turn radius, or a decreased vessel turn radius.

    摘要翻译： 公开了用于使用来自可导向偏转器的张力反馈的方法和系统。 在一个示例中，方法可以包括：将来自测量船的水体中的传感器拖缆牵引到其中，其中每个传感器拖缆在间隔开的位置处包括地球物理传感器; 在来自测量船的水体中牵引可转向偏转器，其中当可转向导流器被牵引穿过水体时，可转向导流器用于向传感器拖缆提供力的侧向分量; 调查船只; 在转动测量船的步骤期间测量可转向导流板的张力; 并且响应于测量张力的步骤，确定减少的血管操作速度，增加的血管操作速度，对于至少一个可导向偏转器的减小的迎角的至少一个，至少一个 的可转向，增加的船只转弯半径，或减少的船只转弯半径。