-
公开(公告)号：US08205711B2
公开(公告)日：2012-06-26
申请号：US10239443
申请日：2001-03-09
CPC分类号： G01V1/006 , G01V1/3861
摘要： A seismic source array 15 comprises a plurality of seismic source 26 arranged about a central point of the source array 15 in such a way that an imaginary circle drawn with said central point at its center, and containing all of said seismic sources 26, can be divided into at least three whole sectors each of which contains a substantially identical arrangement of seismic sources 26.
摘要翻译： 地震源阵列15包括围绕源极阵列15的中心点布置的多个地震源26，使得在其中心处以所述中心点绘制并包含所有所述地震源26的虚拟圆可以是 分为至少三个整个扇区，每个扇区都包含基本相同的地震源26的布置。
-
公开(公告)号：US20090296520A1
公开(公告)日：2009-12-03
申请号：US12132592
申请日：2008-06-03
申请人： Henk Keers , Aslaug Stroemmen Melboe , Jon-Fredrik Hopperstad , Johan O.A. Robertsson , Ed Kragh , Morten Svendsen , Luren Yang , Svein Arne Frivik
发明人： Henk Keers , Aslaug Stroemmen Melboe , Jon-Fredrik Hopperstad , Johan O.A. Robertsson , Ed Kragh , Morten Svendsen , Luren Yang , Svein Arne Frivik
CPC分类号： G01V1/364 , G01V1/3808
摘要： To acquire near-zero offset survey data, a survey source and a first streamer attached to the survey source are provided, where the first streamer has at least one survey receiver. A second streamer separate from the survey source and the first streamer includes survey receivers. Near-zero offset data is measured using the at least one survey receiver of the first streamer.
摘要翻译： 为了获得接近零的偏移量调查数据，提供了附在调查来源上的调查源和第一个拖缆，其中第一个拖缆至少有一个测量接收器。 与调查来源分离的第二个拖缆和第一个拖缆包括测量接收器。 使用第一流送器的至少一个测量接收器来测量近零偏移数据。
-
23.发明授权Methods and systems for determining signatures for arrays of marine seismic sources for seismic analysis 失效确定用于地震分析的海洋地震源阵列签名的方法和系统公开(公告)号：US07440357B2
公开(公告)日：2008-10-21
申请号：US11610935
申请日：2006-12-14
IPC分类号： G01V1/00
CPC分类号： G01V1/38 , G01V1/006 , G01V1/364 , G01V2210/125
摘要： Embodiments of the present invention provide systems and methods for deriving a source signature for an array of seismic sources for marine seismic analysis, wherein the systems and methods include factors for determining the source signature taking into consideration both sea-surface and sea-floor reflections of signals produced by the seismic sources. In certain aspects, reflection coefficients of the sea-surface and the sea-floor and relative lengths of paths between a seismic source image and a detector are applied to a series of simultaneous equations that are solved using measurements of the pressure field produced by the array at a plurality of known locations to determine individual source signatures for each seismic source in the array and these individual source signatures may then be superposed to provide a source signature for the array that accounts for sea-floor reflections of outputs from the seismic sources.
摘要翻译： 本发明的实施例提供用于导出用于海洋地震分析的地震源阵列的源特征的系统和方法，其中所述系统和方法包括用于确定源签名的因素，考虑到海面和海底反射的海面和海底反射 由震源产生的信号。 在某些方面，将海面和海底的反射系数以及地震源图像和检测器之间的路径的相对长度应用于使用由阵列产生的压力场的测量来解决的一系列联立方程 在多个已知位置处，以确定阵列中每个震源的各个源签名，然后可以将这些各个源签名叠加以提供考虑来自地震源的输出的海底反射的阵列的源码。
-
公开(公告)号：US07321527B2
公开(公告)日：2008-01-22
申请号：US11219273
申请日：2005-09-02
IPC分类号： G01V1/37
摘要： A device including a housing defining a first chamber and a port formed through the housing. A shuttle flange moveably positioned within the first chamber. The shuttle flange moves during a gas-release cycle between i) a closed position blocking the port, and ii) an open position exposing an exit area of the port through which a compressed gas is discharged. A method for generating a seismic pressure pulse in water includes the steps of, confining a compressed gas within a chamber having a port, creating an exit area through the port by moving a shuttle along the length of the port during a gas-release cycle, pre-releasing a charge of the compressed gas through the exit area to create a pre-released bubble, choking the exit area, and producing a primary pressure pulse by releasing a main charge of compressed gas through the exit area.
摘要翻译： 一种包括限定第一室的壳体和通过壳体形成的端口的装置。 穿梭凸缘可移动地定位在第一室内。 穿梭法兰在气体释放循环期间移动，i）堵塞端口的关闭位置，以及ii）露出压缩气体通过其排出的口的出口区域的打开位置。 用于在水中产生地震压力脉冲的方法包括以下步骤：将压缩气体限制在具有端口的室内，通过在气体释放循环期间沿端口的长度移动梭子，通过端口产生出口区域， 通过出口区域预先释放压缩气体的电荷以产生预释放的气泡，阻塞出口区域，并通过释放通过出口区域的压缩气体的主要电荷产生初级压力脉冲。
-
公开(公告)号：US20110017543A1
公开(公告)日：2011-01-27
申请号：US12809091
申请日：2008-12-12
IPC分类号： G01V1/02
CPC分类号： G01V1/143 , G01V1/006 , G01V1/047 , G01V1/053 , G01V1/108 , G01V1/116 , G01V1/13 , G01V1/133 , G01V1/137 , G01V1/38 , G01V1/3861
摘要： A method for selecting parameters of a seismic source array comprising a plurality of source elements each having a notional source spectrum is described, the method comprising calculating a ghost response function of the array; calculating directivity effects of the array; and adjusting the parameters of the array such that the directivity effects of the array are compensated by the ghost response to minimize angular variation of a far field response in a predetermined frequency range. A method for determining a phase center of a seismic source array is also related, the method comprising calculating a far field spectrum of the array at predetermined spherical angles, and minimizing the phase difference between the farfield spectra within a predetermined frequency range by adjusting a vertical reference position from which the spherical angles are defined.
摘要翻译： 描述了一种用于选择包括具有概念源频谱的多个源元件的地震源阵列的参数的方法，所述方法包括计算阵列的重影响应函数; 计算阵列的方向性效应; 以及调整阵列的参数，使得阵列的方向性效应被重影响应补偿，以使预定频率范围内的远场响应的角度变化最小化。 一种用于确定地震源阵列的相位中心的方法也是相关的，该方法包括以预定的球面角度计算阵列的远场光谱，并通过调整垂直方向来最小化预定频率范围内的远场光谱之间的相位差 定义球面角度的参考位置。
-
公开(公告)号：US09341726B2
公开(公告)日：2016-05-17
申请号：US13259639
申请日：2010-02-24
申请人： Clement Kostov , Jon-Fredrik Hopperstad , Philip Kitchenside , Johan Olof Anders Robertsson , Karin Schalkwijk
发明人： Clement Kostov , Jon-Fredrik Hopperstad , Philip Kitchenside , Johan Olof Anders Robertsson , Karin Schalkwijk
CPC分类号： G01V1/28 , G01V1/34 , G01V1/364 , G01V99/005 , G01V2210/644 , G01V2210/66
摘要： A method of processing seismic data acquired consequent to actuation of a seismic source is described. The method comprises taking the result of the following process into account when processing the seismic data where the process comprises estimating the effect of uncertainty in the position and/or orientation of the seismic source relative to the measuring receiver on processing the seismic data by estimating a source wavefield from data acquired by a near-field measuring receiver and from a first parameter set including at least one parameter indicative of the position and/or orientation of the seismic source relative to the measuring receiver, varying the value of at least one parameter of the first parameter set, estimating the source wavefield from the data acquired by the measuring receiver and from the varied first parameter set and obtaining information about the uncertainty in the estimate of the source wavefield.
摘要翻译： 描述了一种处理由地震源致动获得的地震数据的方法。 该方法包括在处理地震数据时考虑以下过程的结果，其中过程包括通过估计地震数据来估计地震源相对于测量接收机的位置和/或取向的不确定性的影响 来自由近场测量接收机获取的数据的源波场和来自包括表示地震源相对于测量接收机的位置和/或取向的至少一个参数的第一参数组的数据源波场，改变至少一个参数的值 第一参数集，从测量接收机获取的数据和变化的第一参数集中估计源波场，并获得关于源波场估计中的不确定性的信息。
-
公开(公告)号：US08522915B2
公开(公告)日：2013-09-03
申请号：US12809091
申请日：2008-12-12
CPC分类号： G01V1/143 , G01V1/006 , G01V1/047 , G01V1/053 , G01V1/108 , G01V1/116 , G01V1/13 , G01V1/133 , G01V1/137 , G01V1/38 , G01V1/3861
摘要： A method for selecting parameters of a seismic source array comprising a plurality of source elements each having a notional source spectrum is described, the method comprising calculating a ghost response function of the array; calculating directivity effects of the array; and adjusting the parameters of the array such that the directivity effects of the array are compensated by the ghost response to minimize angular variation of a far field response in a predetermined frequency range. A method for determining a phase center of a seismic source array is also related, the method comprising calculating a far field spectrum of the array at predetermined spherical angles, and minimizing the phase difference between the farfield spectra within a predetermined frequency range by adjusting a vertical reference position from which the spherical angles are defined.
摘要翻译： 描述了一种用于选择包括具有概念源频谱的多个源元件的地震源阵列的参数的方法，所述方法包括计算阵列的重影响应函数; 计算阵列的方向性效应; 以及调整阵列的参数，使得阵列的方向性效应被重影响应补偿，以使预定频率范围内的远场响应的角度变化最小化。 一种用于确定地震源阵列的相位中心的方法也是相关的，该方法包括以预定的球面角度计算阵列的远场光谱，并通过调整垂直方向来最小化预定频率范围内的远场光谱之间的相位差 定义球面角度的参考位置。
-
公开(公告)号：US20110122725A1
公开(公告)日：2011-05-26
申请号：US12988873
申请日：2009-05-12
IPC分类号： G01V1/38
CPC分类号： G01V1/3861 , G01V1/006
摘要： A method of obtaining information about the positions of sources in a marine seismic source array, comprises: determining respective notional signatures for m selected seismic sources, where m
摘要翻译： 一种获取关于海洋地震源阵列中的源的位置的信息的方法，包括：确定m个选择的地震源的相应名义特征，其中m
-
公开(公告)号：US20110122724A1
公开(公告)日：2011-05-26
申请号：US12988863
申请日：2009-05-12
IPC分类号： G01V1/38
摘要： A method of obtaining information about the positions of sources in a marine seismic source array that has N seismic sources, including at least Nunique types of sources that are nominally non-identical to one another, where 1≦Nunique≦N−1. The method comprises measuring the pressure field at M independent locations of the N sources, where M>Nunique, and obtaining information about the positions of sources from the M pressure measurements and from the constraint that at least two of the sources are nominally identical to one another.
摘要翻译： 获得关于具有N个地震源的海洋地震源阵列中的源的位置的信息的方法，其包括至少Nunique类型的源，其名义上不相同，其中1＆nlE; Nunique＆NlE; N-1。 该方法包括测量N个源的M个独立位置处的压力场，其中M> Nunique，并且从M个压力测量值和从至少两个源名义上相同的约束获得关于源的位置的信息 另一个。
-
30.发明申请METHODS AND SYSTEMS FOR DETERMINING SIGNATURES FOR ARRAYS OF MARINE SEISMIC SOURCES FOR SEISMIC ANALYSIS 失效用于确定地震分析的海洋地震源阵列的方法和系统公开(公告)号：US20070258322A1
公开(公告)日：2007-11-08
申请号：US11610935
申请日：2006-12-14
IPC分类号： G01V1/38
CPC分类号： G01V1/38 , G01V1/006 , G01V1/364 , G01V2210/125
摘要： Embodiments of the present invention provide systems and methods for deriving a source signature for an array of seismic sources for marine seismic analysis, wherein the systems and methods include factors for determining the source signature taking into consideration both sea-surface and sea-floor reflections of signals produced by the seismic sources. In certain aspects, reflection coefficients of the sea-surface and the sea-floor and relative lengths of paths between a seismic source image and a detector are applied to a series of simultaneous equations that are solved using measurements of the pressure field produced by the array at a plurality of known locations to determine individual source signatures for each seismic source in the array and these individual source signatures may then be superposed to provide a source signature for the array that accounts for sea-floor reflections of outputs from the seismic sources.
摘要翻译： 本发明的实施例提供用于导出用于海洋地震分析的地震源阵列的源特征的系统和方法，其中所述系统和方法包括用于确定源签名的因素，考虑到海面和海底反射的海面和海底反射 由震源产生的信号。 在某些方面，将海面和海底的反射系数以及地震源图像和检测器之间的路径的相对长度应用于使用由阵列产生的压力场的测量来解决的一系列联立方程 在多个已知位置处，以确定阵列中每个震源的各个源签名，然后可以将这些各个源签名叠加以提供考虑来自地震源的输出的海底反射的阵列的源码。
-
-
-
-
-
-
-
-
-
搜索结果
30 条记录 (耗时 0.034 秒)
