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21.发明授权Hybrid method for full waveform inversion using simultaneous and sequential source method 有权使用同步和顺序源方法进行全波形反演的混合方法公开(公告)号：US08437998B2
公开(公告)日：2013-05-07
申请号：US12903744
申请日：2010-10-13
IPC分类号： G06G7/48
CPC分类号： G01V1/28 , G01V1/005 , G01V2210/67
摘要： Method for simultaneous full-wavefield inversion of gathers of source (or receiver) encoded geophysical data to determine a physical properties model for a subsurface region, especially suitable for surveys where fixed receiver geometry conditions were not satisfied in the data acquisition. First, a shallow time window of the data (202) where the fixed receiver condition is satisfied is inverted by simultaneous encoded (203) source inversion (205). Then, the deeper time window of the data (208) is inverted by sparse sequential source inversion (209), using the physical properties model from the shallow time window (206) as a starting model (207). Alternatively, the shallow time window model is used to simulate missing far offset data (211) producing a data set satisfying the stationary receiver assumption, after which this data set is source encoded (212) and inverted by simultaneous source inversion (214).
摘要翻译： 源（或接收机）编码地球物理数据的同时全波场反演方法，以确定地下区域的物理性质模型，特别适用于在数据采集中不满足固定接收机几何条件的调查。 首先，通过同时编码（203）源反转（205）来反转其中满足固定接收机条件的数据（202）的浅时间窗口。 然后，使用来自浅时间窗口（206）的物理属性模型作为起始模型（207），通过稀疏顺序源反转（209）将数据（208）的更深的时间窗口反转。 或者，浅时间窗模型用于模拟产生满足固定接收机假设的数据集的丢失远偏移数据（211），之后该数据集被源编码（212）并且由同时源反转（214）反转。
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22.发明申请公开(公告)号：US20120330554A1
公开(公告)日：2012-12-27
申请号：US13469964
申请日：2012-05-11
申请人： Warren S. Ross , Sunwoong Lee
发明人： Warren S. Ross , Sunwoong Lee
CPC分类号： G01V1/303 , G01V1/306 , G01V2210/47 , G06F17/14
摘要： A method for estimating velocity dispersion in seismic surface waves in massive 3-D data sets (401) that improves upon auto-picking of a curve along the peak or ridge of the magnitude of the beam-formed field (402). The seismic data are transformed to the frequency-slowness domain, where nonlinear constrained optimization is performed on the transformed data. The optimization matches a nonlinear mathematical parametric model (403) of a beam-formed field to that in the transformed data, adjusting the parameters each iteration to reduce mismatch (404). Dispersion curves are determined by the center of the beam in the optimized models (405). A preferred nonlinear parametric mathematical model is a Gaussian-shaped beam or a cosine-tapered boxcar beam.
摘要翻译： 一种用于估计大尺度三维数据集（401）中的地震表面波中的速度色散的方法，其改进了沿着波束形成场（402）的幅度的峰值或脊的自动选取曲线。 将地震数据转换为频率 - 慢度域，对变换后的数据进行非线性约束优化。 优化将波束形成场的非线性数学参数模型（403）与变换数据中的参数模型进行匹配，每次迭代调整参数以减少失配（404）。 色散曲线由优化模型中的光束中心确定（405）。 优选的非线性参数数学模型是高斯形波束或余弦锥形箱形波束。
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公开(公告)号：US20100286921A1
公开(公告)日：2010-11-11
申请号：US12811461
申请日：2009-01-26
申请人： Sunwoong Lee , Warren Ross
发明人： Sunwoong Lee , Warren Ross
CPC分类号： G01V1/28 , G01V2210/20
摘要： Embodiments are directed to systems and methods (200, 300) that enable spatial variability of surface waves to be accounted for in dispersion correction in seismic data processing. This yields superior surface wave noise mitigation, with reduced likelihood of attenuating signal. Embodiments are operative with spatially inhomogeneous media.
摘要翻译： 实施例涉及能够在地震数据处理中的色散校正中考虑表面波的空间变异性的系统和方法（200,300）。 这产生了优异的表面波噪声减轻，降低了信号衰减的可能性。 实施例与空间不均匀的介质一起使用。
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公开(公告)号：US10012745B2
公开(公告)日：2018-07-03
申请号：US13748121
申请日：2013-01-23
申请人： Jerome R. Krebs , Young Ho Cha , Sunwoong Lee , Pavel Dimitrov , Anoop A. Mullur , Nathan J. Downey , Partha S. Routh
发明人： Jerome R. Krebs , Young Ho Cha , Sunwoong Lee , Pavel Dimitrov , Anoop A. Mullur , Nathan J. Downey , Partha S. Routh
摘要： Method for performing simultaneous encoded-source inversion of geophysical data to estimate parameters of a physical property model (41), especially adapted for surveys without fixed-receiver acquisition geometry, such as marine seismic surveys with moving source and receivers. The encoding functions (32) used on the sources to generate one or more simultaneous encoded-source gathers of data (35), as well as to simulate the same (34), are orthogonal or pseudo-orthogonal with respect to cross-correlation. In addition, receivers are also encoded, with the receiver encoding being designed to make a given receiver less sensitive to sources to which it was not listening during the survey (38). The encoding functions may be temporal bandpass filters differing one from another by central frequency, phase, or both. Efficiency of the method may be further improved by grouping several sources into a super-source, grouping the corresponding gathers into a super-gather, and then applying the above encoding strategy.
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公开(公告)号：US09261616B2
公开(公告)日：2016-02-16
申请号：US13469964
申请日：2012-05-11
申请人： Warren S. Ross , Sunwoong Lee
发明人： Warren S. Ross , Sunwoong Lee
CPC分类号： G01V1/303 , G01V1/306 , G01V2210/47 , G06F17/14
摘要： A method for estimating velocity dispersion in seismic surface waves in massive 3-D data sets (401) that improves upon auto-picking of a curve along the peak or ridge of the magnitude of the beam-formed field (402). The seismic data are transformed to the frequency-slowness domain, where nonlinear constrained optimization is performed on the transformed data. The optimization matches a nonlinear mathematical parametric model (403) of a beam-formed field to that in the transformed data, adjusting the parameters each iteration to reduce mismatch (404). Dispersion curves are determined by the center of the beam in the optimized models (405). A preferred nonlinear parametric mathematical model is a Gaussian-shaped beam or a cosine-tapered boxcar beam.
摘要翻译： 一种用于估计大尺度三维数据集（401）中的地震表面波中的速度色散的方法，其改进了沿着波束形成场（402）的幅度的峰值或脊的自动选取曲线。 将地震数据转换为频率 - 慢度域，对变换后的数据进行非线性约束优化。 优化将波束形成场的非线性数学参数模型（403）与变换数据中的参数模型进行匹配，每次迭代调整参数以减少失配（404）。 色散曲线由优化模型中的光束中心确定（405）。 优选的非线性参数数学模型是高斯形波束或余弦锥形箱形波束。
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公开(公告)号：US08694299B2
公开(公告)日：2014-04-08
申请号：US13045215
申请日：2011-03-10
申请人： Jerome R. Krebs , Sunwoong Lee , Young Ho Cha
发明人： Jerome R. Krebs , Sunwoong Lee , Young Ho Cha
CPC分类号： G06F17/5009 , G01V1/00 , G01V11/00 , G01V99/005 , G06T11/006
摘要： Method for reducing artifacts in a subsurface physical properties model (120) inferred by iterative inversion (140) of geophysical data (130), wherein the artifacts are associated with some approximation (110) made during the iterative inversion. In the method, some aspect of the approximation is changed (160) as the inversion is iterated such that the artifacts do not increase by coherent addition.
摘要翻译： 一种用于减少通过地球物理数据（130）的迭代反演（140）推断的地下物理属性模型（120）中的伪影的方法，其中所述伪影与在迭代反演期间进行的一些近似（110）相关联。 在该方法中，随着反演被重复，近似的某些方面被改变（160），使得伪像不会通过相干相加而增加。
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公开(公告)号：US20130238246A1
公开(公告)日：2013-09-12
申请号：US13748121
申请日：2013-01-23
申请人： Jerome R. Krebs , Young Ho Cha , Sunwoong Lee , Pavel Dimitrov , Anoop A. Mullur , Nathan J. Downey , Partha S. Routh
发明人： Jerome R. Krebs , Young Ho Cha , Sunwoong Lee , Pavel Dimitrov , Anoop A. Mullur , Nathan J. Downey , Partha S. Routh
摘要： Method for performing simultaneous encoded-source inversion of geophysical data to estimate parameters of a physical property model (41), especially adapted for surveys without fixed-receiver acquisition geometry, such as marine seismic surveys with moving source and receivers. The encoding functions (32) used on the sources to generate one or more simultaneous encoded-source gathers of data (35), as well as to simulate the same (34), are orthogonal or pseudo-orthogonal with respect to cross-correlation. In addition, receivers are also encoded, with the receiver encoding being designed to make a given receiver less sensitive to sources to which it was not listening during the survey (38). The encoding functions may be temporal bandpass filters differing one from another by central frequency, phase, or both. Efficiency of the method may be further improved by grouping several sources into a super-source, grouping the corresponding gathers into a super-gather, and then applying the above encoding strategy.
摘要翻译： 用于执行地球物理数据的同时编码源反演以估计物理性质模型（41）的参数的方法，特别适用于没有固定接收机采集几何的勘测，例如具有移动源和接收机的海洋地震勘测。 用于产生一个或多个同时编码的数据源集合（35）的源的编码功能（32）以及模拟相同的编码功能（34）在互相关方面是正交的或伪正交的。 另外，接收机也被编码，其中接收机编码被设计成使得给定的接收机在调查期间对其不倾听的源较不敏感（38）。 编码功能可以是通过中心频率，相位或两者彼此不同的时间带通滤波器。 可以通过将多个源分组成超级源，将相应的聚类分组成超级聚集，然后应用上述编码策略，可以进一步提高该方法的效率。
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