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1. 发明授权

US09766357B2 Seismic image dip decomposition estimation and recomposition 有权
公开(公告)号：US09766357B2
公开(公告)日：2017-09-19
申请号：US14491467
申请日：2014-09-19
申请人： Young Ho Cha , William Curry
发明人： Young Ho Cha , William Curry
IPC分类号： G01V1/00 , G01V1/36
CPC分类号： G01V1/362 , G01V2210/322 , G01V2210/512 , G01V2210/522
摘要： Method for optimal stacking of seismic images to remove noise and enhance signals in seismic images (101) outputted from a Reverse Time Migration (RTM) imaging process. Dip information is calculated (102) and then sorted by image point (104), for each seismic image to be stacked. A dominant dip and azimuth is determined at each image point (106), and only those events are stacked (107). If the image is still noisy or lacking in detail (108), the process may be iterated (109) to improve the selection of most likely dip and azimuth.

2. 发明申请

US20150124559A1 Seismic Image Dip Decomposition Estimation and Recomposition 审中-公开
标题翻译：地震图像浸入分解估计和重构
公开(公告)号：US20150124559A1
公开(公告)日：2015-05-07
申请号：US14491467
申请日：2014-09-19
申请人： Young Ho Cha , William Curry
发明人： Young Ho Cha , William Curry
IPC分类号： G01V1/36 , G01V1/34
CPC分类号： G01V1/362 , G01V2210/322 , G01V2210/512 , G01V2210/522
摘要： Method for optimal stacking of seismic images to remove noise and enhance signals in seismic images (101) outputted from a Reverse Time Migration (RTM) imaging process. Dip information is calculated (102) and then sorted by image point (104), for each seismic image to be stacked. A dominant dip and azimuth is determined at each image point (106), and only those events are stacked (107). If the image is still noisy or lacking in detail (108), the process may be iterated (109) to improve the selection of most likely dip and azimuth.
摘要翻译：用于最佳叠加地震图像以去除从反向时间迁移（RTM）成像过程输出的地震图像（101）中的噪声和增强信号的方法。对于要堆叠的每个地震图像，计算（102）然后对图像点（104）进行排序。在每个图像点（106）处确定显着倾角和方位角，并且仅堆叠这些事件（107）。如果图像仍然嘈杂或缺乏细节（108），则可以重复该过程（109）以改进对最可能的倾角和方位角的选择。

3. 发明申请

US20190353814A1 Direct Migration of Simultaneous-Source Survey Data 审中-公开
公开(公告)号：US20190353814A1
公开(公告)日：2019-11-21
申请号：US16399216
申请日：2019-04-30
申请人： Young Ho Cha , Dennis E. Willen
发明人： Young Ho Cha , Dennis E. Willen
IPC分类号： G01V1/34 , G01V1/28 , G01V1/36
摘要： A method and apparatus for hydrocarbon management including generating an image of a subsurface formation by: obtaining simultaneous-source survey data, an earth model, and a first and a second velocity model of the subsurface formation; generating synthetic survey data with at least one of the earth model, the first velocity model, and the second velocity model. The method and apparatus may include directly migrating the simultaneous-source survey data; migrating the synthetic survey data; and subtracting the migrated synthetic survey data from the migrated simultaneous-source survey data. The method and apparatus may include subtracting the synthetic survey data from the simultaneous-source survey data; and directly migrating the result of the subtraction. The method and apparatus may include generating an artifact-reduced image.

4. 发明授权

US10126451B2 Method to estimate and remove direct arrivals from arrayed marine sources 有权
公开(公告)号：US10126451B2
公开(公告)日：2018-11-13
申请号：US15427688
申请日：2017-02-08
申请人： John E. Anderson , Michael W. Norris , Haiyang Wang , Young Ho Cha
发明人： John E. Anderson , Michael W. Norris , Haiyang Wang , Young Ho Cha
IPC分类号： G01V1/36 , G01V1/28 , G01V1/38
摘要： A method for obtaining zero-offset and near zero offset seismic data from a marine survey, with separation of direct arrival information and reflectivity information, the method including: modeling a direct arrival estimate at a passive near-field hydrophone array by using a notional source separation on active near-field hydrophone data; generating reflection data for the passive near-field hydrophone array by subtraction of the modeled direct wave from data recorded by the passive near-field hydrophone array; generating near zero-offset reflectivity traces by stacking the reflection data for the passive near-field hydrophone array on a string-by-string basis or on a combination of strings basis.

5. 发明授权

US11231516B2 Direct migration of simultaneous-source survey data 有权
公开(公告)号：US11231516B2
公开(公告)日：2022-01-25
申请号：US16399216
申请日：2019-04-30
申请人： Young Ho Cha , Dennis E. Willen
发明人： Young Ho Cha , Dennis E. Willen
IPC分类号： G01V1/34 , G01V1/28 , G01V1/36
摘要： A method and apparatus for hydrocarbon management including generating an image of a subsurface formation by: obtaining simultaneous-source survey data, an earth model, and a first and a second velocity model of the subsurface formation; generating synthetic survey data with at least one of the earth model, the first velocity model, and the second velocity model. The method and apparatus may include directly migrating the simultaneous-source survey data; migrating the synthetic survey data; and subtracting the migrated synthetic survey data from the migrated simultaneous-source survey data. The method and apparatus may include subtracting the synthetic survey data from the simultaneous-source survey data; and directly migrating the result of the subtraction. The method and apparatus may include generating an artifact-reduced image.

6. 发明申请

US20110276320A1 Artifact Reduction In Iterative Inversion Of Geophysical Data 有权
标题翻译：地球物理数据的迭代反演中的人工减少
公开(公告)号：US20110276320A1
公开(公告)日：2011-11-10
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
IPC分类号： G06G7/48
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。

7. 发明申请

US20140180656A1 Artifact Reduction in Iterative Inversion of Geophysical Data 有权
公开(公告)号：US20140180656A1
公开(公告)日：2014-06-26
申请号：US14192497
申请日：2014-02-27
申请人： Jerome R. Krebs , Sunwoong Lee , Young Ho Cha
发明人： Jerome R. Krebs , Sunwoong Lee , Young Ho Cha
IPC分类号： G06F17/50
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.

8. 发明授权

US10012745B2 Orthogonal source and receiver encoding 有权
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
IPC分类号： G01V9/00 , G06F17/00 , G01V1/00 , G01V1/28
CPC分类号： G01V1/003 , G01V1/005 , G01V1/28 , G01V9/00 , G01V2210/66 , G06F17/00
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.

9. 发明授权

US08694299B2 Artifact reduction in iterative inversion of geophysical data 有权
标题翻译：地球物理数据迭代反演中的人工减少
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
IPC分类号： G06F7/60 , G06F17/10 , G01V1/00 , G06T11/00
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。

10. 发明申请

US20130238246A1 Orthogonal Source and Receiver Encoding 有权
标题翻译：正交源和接收机编码
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
IPC分类号： G01V1/00 , G06F17/00 , G01V9/00
CPC分类号： G01V1/003 , G01V1/005 , G01V1/28 , G01V9/00 , G01V2210/66 , G06F17/00
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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