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公开(公告)号：US20140034412A1
公开(公告)日：2014-02-06
申请号：US13923519
申请日：2013-06-21
Applicant: CGG Services SA
Inventor： Yuan NI , Risto SILIQI , Cheikh NIANG
IPC: G01V1/38
CPC classification number: G01V1/3808 , G01V1/08 , G01V2200/12
Abstract: A method controls a delay of an air-gun in an aquatic seismic source. The method includes a step of receiving an attribute of the air-gun during the aquatic seismic survey; a step of calculating, based on a time-delay algorithm that uses the attribute, the asynchronization time of the air-gun; a step of determining whether the asynchronization time is smaller than a given time threshold; a step of instructing a controller to (1) wait for a predetermined time before calculating again the asynchronization time of the air-gun if the asynchronization time is smaller than the given time threshold, or (2) calculate an updated asynchronization time for the air-gun based on the attribute if the asynchronization time is larger than the given time threshold; and a step of sending the updated asynchronization time to a gun controller of the air-gun for adjusting a delay time for firing the air-gun.
Abstract translation: 一种方法控制水中地震源的气枪的延迟。 该方法包括在水下地震勘测期间接收空军的属性的步骤; 基于使用该属性的时间延迟算法来计算气枪的异步时间的步骤; 确定所述异步时间是否小于给定时间阈值的步骤; 指示控制器的步骤（1）如果异步时间小于给定时间阈值，则等待预定时间再次计算出空气枪的异步时间，或者（2）计算更新的空气不同步时间 - 如果异步时间大于给定的时间阈值，则基于该属性; 以及将更新的不同步时间发送到气枪的枪控制器以调整用于点火的延迟时间的步骤。
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公开(公告)号：US20140297190A1
公开(公告)日：2014-10-02
申请号：US14200223
申请日：2014-03-07
Applicant: CGG Services SA
Inventor： Julie SVAY , Yuan NI , Cheikh NIANG
Abstract: Methods and systems for generating a stability indicator associated with source directivity between shots and based on a signature are described. The stability indicator is computed by comparing a reference directivity cube to a source directivity cube using a partitioned intensity uniformity (PIU) metric. In another aspect, the stability indicator can be normalized to produce a scalar stability indicator expressed in percentage.
Abstract translation: 描述了用于生成与射击之间的源方向性相关联并且基于签名的稳定性指示符的方法和系统。 通过使用分区强度均匀度（PIU）度量将参考方向性立方体与源方向立方体进行比较来计算稳定性指标。 在另一方面，稳定性指标可被归一化以产生以百分比表示的标量稳定指标。
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公开(公告)号：US20170031043A1
公开(公告)日：2017-02-02
申请号：US15123851
申请日：2015-03-12
Applicant: CGG SERVICES SA
Inventor： Yuan NI
CPC classification number: G01V1/36 , G01V1/3808 , G01V1/3861 , G01V2210/1293 , G01V2210/56
Abstract: Marine seismic sources for exploring formations under the seafloor using reflection seismology include ghost attenuators for reducing or eliminating ghost signals. Such a ghost attenuator is located in the water above an individual source element and 5 water surface and is configured to dissipate energy of up-going signals and/or to redirect the up-going signals.
Abstract translation: 使用反射地震学探测海底地层的海洋地震资源包括用于减少或消除鬼信号的幽灵衰减器。 这样的幽灵衰减器位于单个源元件和水表面上方的水中，并且被配置为消耗上行信号的能量和/或重定向上行信号。
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公开(公告)号：US20170075011A1
公开(公告)日：2017-03-16
申请号：US15123337
申请日：2015-03-13
Applicant: CGG SERVICES SA
Inventor： Yuan NI , Thomas MENSCH
IPC: G01V1/38
Abstract: The arrangement of air-gun subarrays is controlled by adjusting a geometric parameter, such as, an inline distance, an attack angle and/or a cross-line position for one or more subarrays. The adjustment is performed to achieve a target energy distribution for signals emitted by the air-gun subarrays.
Abstract translation: 通过调整一个或多个子阵列的几何参数，例如内联距离，攻角和/或交叉线位置来控制气枪子阵列的布置。 执行调整以实现由气枪子阵列发射的信号的目标能量分布。
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