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    Methods and apparatus for automated noise removal from seismic data
    1.
    发明授权
    Methods and apparatus for automated noise removal from seismic data 有权
    地震数据自动消除噪声的方法和装置

    公开(公告)号：US09250340B2

    公开(公告)日：2016-02-02

    申请号：US13406989

    申请日：2012-02-28

    申请人： John Brittan ,  Paul Lecocq ,  Andrew Wrench

    发明人： John Brittan ,  Paul Lecocq ,  Andrew Wrench

    IPC分类号： G01V1/36

    CPC分类号： G01V1/36 ,  G01V2210/32 ,  G01V2210/3246 ,  G01V2210/3248 ,  G01V2210/56

    摘要： Methods and apparatus for noise removal from seismic data. In one embodiment, a seismic data set comprising a plurality of traces is received, and noise metrics for the seismic data set are computed using a set of time and depth windows. The seismic data set is scanned to determine a first set of groups. Each group in the first set comprises at least a first minimum number of neighboring traces for which at least one of the noise metrics is outside a predefined specification. Noise attenuation is applied to the traces in the first set of groups. Other embodiments, aspects, and features are also disclosed.

    摘要翻译： 从地震数据中去除噪声的方法和装置。 在一个实施例中，接收包括多个迹线的地震数据集，并且使用一组时间和深度窗口来计算地震数据集的噪声度量。 扫描地震数据集以确定第一组组。 第一组中的每个组包括至少一个噪声度量超出预定义规范的至少第一最小数量的相邻迹线。 噪声衰减应用于第一组组中的迹线。 还公开了其它实施例，方面和特征。

    Method for processing dual sensor seismic data to attenuate noise
    4.
    发明授权
    Method for processing dual sensor seismic data to attenuate noise 有权
    用于处理双传感器地震数据以衰减噪声的方法

    公开(公告)号：US06894948B2

    公开(公告)日：2005-05-17

    申请号：US10353293

    申请日：2003-01-29

    申请人： John Brittan ,  Joel Gordon Starr

    发明人： John Brittan ,  Joel Gordon Starr

    IPC分类号： G01V1/36 ,  G01V1/38

    CPC分类号： G01V1/364 ,  G01V1/3808 ,  G01V2210/3246 ,  G01V2210/56

    摘要： A method is disclosed for processing seismic data from concurrently recorded co-located pressure sensors and geophones. The seismic data are processed by first determining an upgoing wavefield and a downgoing wavefield in the seismic data. Adaptive subtraction is then applied to at least one of the upgoing wavefield and the downgoing wavefield to remove the noise from the signal. In alternative embodiments, the upgoing wavefield can be used as a noise model for the downgoing wavefield or the downgoing wavefield can be used as a noise model for the upgoing wavefield.

    摘要翻译： 公开了一种用于处理来自同时记录的共位压力传感器和地震检波器的地震数据的方法。 通过首先确定地震数据中的上行波场和下行波场来处理地震数据。 然后将自适应减法应用于上行波场和下行波场中的至少一个以从信号中去除噪声。 在替代实施例中，上行波场可以用作下行波场的噪声模型，或者下行波场可以用作上行波场的噪声模型。

    METHOD FOR SEPARATING SEISMIC SIGNALS FROM TWO OR MORE DISTINCT SOURCES
    5.
    发明申请
    METHOD FOR SEPARATING SEISMIC SIGNALS FROM TWO OR MORE DISTINCT SOURCES 有权
    从两个或更多的不同来源分离地震信号的方法

    公开(公告)号：US20050027454A1

    公开(公告)日：2005-02-03

    申请号：US10630385

    申请日：2003-07-30

    申请人： Svein Vaage ,  Ruben Martinez ,  John Brittan

    发明人： Svein Vaage ,  Ruben Martinez ,  John Brittan

    IPC分类号： G01V1/36 ,  G01V1/00

    CPC分类号： G01V1/364 ,  G01V2210/20

    摘要： A method is disclosed for separating energy resulting from actuating at least two different seismic energy sources from seismic signals. The sources are actuated to provide a variable time delay between successive actuations of a first one and a second one of the sources. The method includes sorting the seismic signals such that events therein resulting from actuations of the first source are substantially coherent in all spatial directions, coherency filtering the first source coherency sorted signals, sorting the seismic signals such that events therein resulting from actuations of the second source are substantially coherent in all spatial directions, and coherency filtering the second source coherency sorted signals.

    摘要翻译： 公开了一种用于分离由地震信号驱动至少两种不同地震能量源所产生的能量的方法。 源被致动以在第一个和第二个源的连续致动之间提供可变的时间延迟。 该方法包括对地震信号进行排序，使得其中由第一源的致动所产生的事件在所有空间方向上基本一致，一致性滤除第一源相关性排序的信号，对地震信号进行排序，使得其中由第二源的致动引起的事件 在所有空间方向上基本相干，并且相关性对第二源相关性排序信号进行滤波。

    Method of imaging the earth's subsurface during marine seismic data acquisition
    6.
    发明申请
    Method of imaging the earth's subsurface during marine seismic data acquisition 审中-公开
    海洋地震数据采集过程中地球地下成像方法

    公开(公告)号：US20110235464A1

    公开(公告)日：2011-09-29

    申请号：US12661785

    申请日：2010-03-24

    申请人： John Brittan ,  Stephen David Bishop ,  Sverre Brandsberg-Dahl

    发明人： John Brittan ,  Stephen David Bishop ,  Sverre Brandsberg-Dahl

    IPC分类号： G01V1/34

    CPC分类号： G01V1/368 ,  G01V2210/32 ,  G01V2210/56

    摘要： Marine seismic data are acquired, using a seismic vessel. The acquired marine seismic data are transferred in near-real time to a programmable computer. The programmable computer is used to perform the following. An acoustic 3-D full-waveform inversion is applied to the transferred marine seismic data, generating a high-resolution 3-D velocity field in near-real time. The velocity field is used to apply migration to the transferred marine seismic data, generating an image of the earth's subsurface in near-real time.

    摘要翻译： 使用地震船获得海洋地震资料。 所获取的海洋地震数据被实时地传送到可编程计算机。 可编程计算机用于执行以下操作。 对传输的海洋地震数据应用声学3-D全波形反演，近实时产生高分辨率3-D速度场。 速度场用于对转移的海洋地震数据进行迁移，以近实时的方式生成地球地下图像。

    Method for attenuating interference noise in dual-sensor seismic data
    7.
    发明申请
    Method for attenuating interference noise in dual-sensor seismic data 审中-公开
    双传感器地震数据中干扰噪声的衰减方法

    公开(公告)号：US20110141849A1

    公开(公告)日：2011-06-16

    申请号：US12653688

    申请日：2009-12-16

    申请人： John Brittan

    发明人： John Brittan

    IPC分类号： G01V1/00

    CPC分类号： G01V1/364 ,  G01V2210/32

    摘要： A super-gather is constructed by interleaving traces from a hydrophone gather and a geophone gather in seismic data such that traces pertaining to co-located hydrophones and geophones are adjacent to each other. A noise-attenuated super-gather, generated by applying an f-x domain noise identifying and attenuation process to the super-gather, is subtracted from the super-gather to generate a super-gather noise model. A hydrophone gather noise model, generated by removing non-noisy geophone gather traces from the super-gather noise model, is subtracted from the hydrophone gather to generate seismic data with interference noise attenuated.

    摘要翻译： 通过将来自水听器集合和地震检波器聚集的迹线交织在地震数据中来构造超级集合，使得与共处的水听器和地震检波器相关的轨迹彼此相邻。 从超级聚集中减去通过对超级聚集应用f-x域噪声识别和衰减过程产生的噪声衰减超级聚集，以产生超级聚集噪声模型。 通过从超级聚集噪声模型中去除无噪声地震检波器收集轨迹产生的水听器收集噪声模型，从水听器收集中减去，产生具有干扰噪声衰减的地震数据。

    Method for separating seismic signals from two or more distinct sources
    8.
    发明授权
    Method for separating seismic signals from two or more distinct sources 有权
    从两个或更多不同来源分离地震信号的方法

    公开(公告)号：US06882938B2

    公开(公告)日：2005-04-19

    申请号：US10630385

    申请日：2003-07-30

    申请人： Svein Torleif Vaage ,  Ruben D. Martinez ,  John Brittan

    发明人： Svein Torleif Vaage ,  Ruben D. Martinez ,  John Brittan

    IPC分类号： G01V1/36 ,  G01V1/00

    CPC分类号： G01V1/364 ,  G01V2210/20

    摘要： A method is disclosed for separating energy resulting from actuating at least two different seismic energy sources from seismic signals. The sources are actuated to provide a variable time delay between successive actuations of a first one and a second one of the sources. The method includes sorting the seismic signals such that events therein resulting from actuations of the first source are substantially coherent in all spatial directions, coherency filtering the first source coherency sorted signals, sorting the seismic signals such that events therein resulting from actuations of the second source are substantially coherent in all spatial directions, and coherency filtering the second source coherency sorted signals.

    摘要翻译： 公开了一种用于分离由地震信号驱动至少两种不同地震能量源所产生的能量的方法。 源被致动以在第一个和第二个源的连续致动之间提供可变的时间延迟。 该方法包括对地震信号进行排序，使得其中由第一源的致动所产生的事件在所有空间方向上基本一致，一致性滤除第一源相关性排序的信号，对地震信号进行排序，使得其中由第二源的致动引起的事件 在所有空间方向上基本相干，并且相关性对第二源相关性排序信号进行滤波。