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公开(公告)号：US09013962B2
公开(公告)日：2015-04-21
申请号：US14057974
申请日：2013-10-18
申请人： WesternGeco L.L.C.
发明人： Claudio Bagaini
摘要： A method and related apparatus are described for generating acoustic signals for use in a vibratory seismic survey, including at least two different sweep signals for the control of at least two different types of vibrators; and matching the phases of the different sweep signals at a transition frequency from one sweep signal to another.
摘要翻译： 描述了一种用于产生用于振动地震测量的声学信号的方法和相关装置，包括用于控制至少两种不同类型的振动器的至少两个不同的扫描信号; 并且将不同扫描信号的相位在从一个扫描信号到另一扫描信号的转变频率上匹配。
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公开(公告)号：US10088583B2
公开(公告)日：2018-10-02
申请号：US14637363
申请日：2015-03-03
申请人： WesternGeco L.L.C.
发明人： Claudio Bagaini , Ian Moore
摘要： A technique includes generating vibroseis sweeps for a vibroseis survey to produce seismic data acquired in response to seismic signals produced by the sweeps. The generation of the vibroseis sweeps including temporally arranging the sweeps into time-overlapping groups. The technique includes regulating a timing of the groups relative to each other based on a slip time. The technique also includes regulating a timing of the sweeps of each group such that consecutive sweep firings of each group are spaced apart by a time substantially less than the slip time.
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公开(公告)号：US10816683B2
公开(公告)日：2020-10-27
申请号：US14564031
申请日：2014-12-08
申请人： WesternGeco L.L.C.
发明人： Claudio Bagaini , Einar Holst
摘要： A seismic data recording unit. The seismic data recording unit may include a housing and retractable arms coupled to the housing. The seismic data recording unit may include a respective seismic sensor coupled proximate the end of a retractable arm. The retractable arm may move from a position on or proximate the housing to a position away from the housing.
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公开(公告)号：US20150177396A1
公开(公告)日：2015-06-25
申请号：US14571135
申请日：2014-12-15
申请人： WesternGeco L.L.C.
发明人： Claudio Bagaini , Ian Moore
IPC分类号： G01V1/02
CPC分类号： G01V1/005
摘要： A controller controls phases of signals produced by survey sources according to a frequency of the signals. The controlling includes controlling the survey sources to be in phase for frequencies less than a predetermined frequency, and randomizing phases of the signals emitted by the survey sources for frequencies greater than the predetermined frequency, wherein the randomizing includes applying a smoothing operator in a specified frequency range, and emit signals with different phases for frequencies greater than the predetermined frequency.
摘要翻译： 控制器根据信号的频率控制由测量源产生的信号的相位。 所述控制包括：将所述测量源控制为小于预定频率的频率同相;以及使所述测量源发射的信号的相位随机化，所述频率大于所述预定频率，其中所述随机化包括以特定频率应用平滑算子 并且对于大于预定频率的频率发射具有不同相位的信号。
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公开(公告)号：US20150117150A1
公开(公告)日：2015-04-30
申请号：US14520066
申请日：2014-10-21
申请人： WesternGeco L.L.C.
发明人： Claudio Bagaini
摘要： Various implementations described herein are directed to a method of performing a seismic survey operation. The method may include deploying two seismic sources. The method may include using the two seismic sources to perform a simultaneous in-phase precursor sweep. The method may also include using the two seismic sources to perform a simultaneous out-of-phase cascaded sweep.
摘要翻译： 本文描述的各种实现涉及执行地震勘测操作的方法。 该方法可以包括部署两个地震源。 该方法可以包括使用两个地震源来执行同时的同相前驱扫描。 该方法还可以包括使用两个地震源来执行同时的异相级联扫描。
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公开(公告)号：US09010484B2
公开(公告)日：2015-04-21
申请号：US13916313
申请日：2013-06-12
申请人： WesternGeco L.L.C.
CPC分类号： G01V1/137 , G01V1/3808 , G01V2210/127
摘要： A seismic source array includes a first source and a second source. The first source has a first spectral output and the second source has a second spectral output different than the first spectral output. The first source has a first total volume different than a second total volume of the second source.
摘要翻译： 地震源阵列包括第一源和第二源。 第一光源具有第一光谱输出，第二光源具有不同于第一光谱输出的第二光谱输出。 第一源具有与第二源的第二总体积不同的第一总体积。
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7.发明申请公开(公告)号：US20150039236A1
公开(公告)日：2015-02-05
申请号：US14445095
申请日：2014-07-29
申请人： WESTERNGECO, L.L.C.
发明人： Robert Laws , Claudio Bagaini , Ralf Ferber
CPC分类号： G01V1/003
摘要： A shot interval between activations of at least one frequency-controllable survey source is determined, where the shot interval is determined based on an expected frequency of an output of the at least one frequency-controllable survey source. The at least one frequency-controllable survey source is activated using the determined first shot interval.
摘要翻译： 确定至少一个频率可控测量源的激活之间的拍摄间隔，其中基于至少一个频率可控测量源的输出的预期频率来确定拍摄间隔。 使用确定的第一拍摄间隔激活至少一个频率可控测量源。
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公开(公告)号：US10551515B2
公开(公告)日：2020-02-04
申请号：US14445095
申请日：2014-07-29
申请人： WESTERNGECO, L.L.C.
发明人： Robert Laws , Claudio Bagaini , Ralf Ferber
IPC分类号： G01V1/00
摘要： A shot interval between activations of at least one frequency-controllable survey source is determined, where the shot interval is determined based on an expected frequency of an output of the at least one frequency-controllable survey source. The at least one frequency-controllable survey source is activated using the determined first shot interval.
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公开(公告)号：US10520623B2
公开(公告)日：2019-12-31
申请号：US13907522
申请日：2013-05-31
申请人： WESTERNGECO L.L.C.
IPC分类号： G01V1/38
摘要： Methods and systems for marine survey acquisition are disclosed. In one embodiment, a method is provided that may deploy a marine seismic spread that includes a first seismic source, a second seismic source and a streamer with a receiver. The second source may be disposed at a distance from the first seismic source in an inline direction. The distance may be selected to produce one or more pairs of shot points during a seismic survey. The shot points within a pair may be disposed within a range that is used to calculate a pressure source gradient between the shot points within the pair. The method may shoot the first seismic source and the second seismic source substantially simultaneously. The method may record seismic data associated with shooting the first seismic source and the second seismic source. The method may calculate the pressure source gradient for respective pairs of shot points.
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公开(公告)号：US09417346B2
公开(公告)日：2016-08-16
申请号：US14470445
申请日：2014-08-27
申请人： WESTERNGECO L.L.C.
CPC分类号： G01V1/135 , G01V1/0475 , Y10T29/49002 , Y10T29/49229
摘要： A seismic land vibrator, comprising a baseplate comprising a substantially flat, rigid member; at least one driven member that is connected with the baseplate and extends in a direction that is substantially perpendicular to baseplate; a rotation sensor that is coupled to the baseplate and adapted to provide a signal that is indicative of rotational movement of at least a portion of the baseplate.
摘要翻译： 一种地震平台振动器，包括基板，其包括基本上平坦的刚性构件; 至少一个从动构件，其与所述基板连接并且在基本上垂直于基板的方向上延伸; 旋转传感器，其耦合到所述基板并且适于提供指示所述基板的至少一部分的旋转运动的信号。
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