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1.发明公开公开(公告)号：US20240353584A1
公开(公告)日：2024-10-24
申请号：US18254764
申请日：2023-02-03
发明人： Yuhan Sui , Yue Ma , Hongwei Liu , Dongliang Zhang
CPC分类号： G01V1/345 , E21B44/00 , G01V1/282 , G01V1/301 , E21B2200/20
摘要： A system and methods are disclosed. The method includes obtaining a seismic dataset including a plurality of recorded multiple events, generating a predicted multiple model using a multiple prediction method and the seismic dataset, and estimating a set of initial matching filters using a matching method, to match the plurality of estimated and recorded multiple events. The method further includes generating a tensor field based on the predicted multiple model, determining a set of structure-oriented matching filters based on the set of initial matching filters and the tensor field, generating a filtered multiple model based on the predicted multiple model and the set of structure-oriented matching filters, and generating a multiple-attenuated seismic dataset based on the filtered multiple model and the seismic dataset, forming a seismic image based, at least in part, on the multiple-attenuated seismic dataset, and determining a location of a hydrocarbon reservoir based on the seismic image.
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公开(公告)号：US12123995B1
公开(公告)日：2024-10-22
申请号：US18414724
申请日：2024-01-17
发明人： Anye Cao , Yaoqi Liu , Xu Yang , Qing Ge , Linming Dou , Siyuan Gong , Zhifeng Ma , Wu Cai , Qiang Niu , Changbin Wang
摘要： An online stress monitoring system is used to obtain a stress distribution of each position, a geophone monitoring system is used to monitor high-frequency vibration signals produced by coal and rock fracture, a support resistance monitoring system is used to monitor working resistance of hydraulic supports in a working face, a well-ground joint microseismic system is used to monitor low-frequency vibration signals produced by the coal and rock fracture, and realize position of a microseismic source and inversion imaging of mining fractures, and an anchor stress monitoring system is used to monitor stress states of anchor bolts and cables. A data processing center is used to comprehensively process data obtained from the above five systems using an early warning model, thereby to obtain a prediction result of rock burst and determine whether to make early warning, thus workers can take timely measures according to the early warning situation.
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公开(公告)号：US12123992B1
公开(公告)日：2024-10-22
申请号：US18676119
申请日：2024-05-28
申请人： JIANGHAN UNIVERSITY
发明人： Longjun Xu , Haoyu Wu , Heng Zhang , Guochen Zhao , Qihan Xu , Lili Xie
IPC分类号： G01V1/28
CPC分类号： G01V1/282
摘要： Provided is a high geostress fault simulator using non-soil rock materials media, including a first movable unit, a second movable unit, and a stress simulation unit, where the first movable unit includes a first support platform and a second support platform, the second movable unit includes a first movable box, a second movable box, and an accommodation space, and the stress simulation unit includes support frames and stress simulation assemblies in which a to-be-tested model is disposed. The present invention simulates a stress level of a soil mass in a deep formation through the stress simulation unit, thereby simulating triaxial fault effects occurring in the deep formation through the simulator, and further studying an impact of triaxial earthquake fault effects on civil engineering structures under a stress of the soil mass in the deep formation when an earthquake occurs.
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公开(公告)号：US12111437B1
公开(公告)日：2024-10-08
申请号：US18674783
申请日：2024-05-24
发明人： Xiangshang Li , Chunyang Cui , Weiyu Zheng , Haitao Li , Qingxin Qi , Jiamin Wang , Meimei Wang , Chi Liu , Weisheng Du
CPC分类号： G01V1/303 , G01V1/147 , G01V1/282 , G01V1/306 , G01V2210/6222
摘要： A method for detecting a structural abnormal area of a coal and rock mass is provided. The method includes acquiring a target velocity inversion map of the coal and rock mass in a target detection cycle, in which the target velocity inversion map is configured to indicate a target velocity of seismic wave propagation in each of grid cells in a target detection area, acquiring a first velocity of seismic wave propagation in any one of the grid cells in at least one detection cycle preceding the target detection cycle, determining, according to each of the first velocities and the target velocities, structural abnormal cells from each of the grid cells, and determining, according to the structural abnormal cells, a range of the structural abnormal area of the coal and rock mass in the target detection cycle in the target velocity inversion map.
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公开(公告)号：US12111436B2
公开(公告)日：2024-10-08
申请号：US17644948
申请日：2021-12-17
发明人： Abdelwahab Noufal , Khalid Obaid
CPC分类号： G01V1/282 , G01V1/301 , G01V2210/1234
摘要： The present invention relates to a method for determining a location of hydrocarbon reservoirs using a mechanical properties model of a subsurface geological area. The method comprises the steps of: creating a plurality of presumed seismic sections at the time of deposition based on a seismic interpretation of the subsurface geological area and influences of tectonic time data and tectonic pressure data; creating a mechanical properties model of the subsurface geological area based on the plurality of presumed seismic sections at the time of deposition and the influences of tectonic time data and tectonic pressure data.
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公开(公告)号：US20240329265A1
公开(公告)日：2024-10-03
申请号：US18190777
申请日：2023-03-27
发明人： Yimin Sun , Quentin Hirsch
摘要： Systems and methods are disclosed. The method includes obtaining a sparse seismic velocity model for a subterranean region of interest. The sparse seismic velocity model includes populated positions and missing positions, where each populated position includes a velocity. The method further includes determining an interpolated seismic velocity model by determining the velocity at each missing position using the velocity at one or more of the populated positions and interpolation. The method still further includes determining an intermediate dense seismic velocity model by updating the velocity at each missing position using, at least in part, the interpolated seismic velocity model and a projections onto convex sets method and determining a dense seismic velocity model using, at least in part, the intermediate dense seismic velocity model.
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公开(公告)号：US20240319395A1
公开(公告)日：2024-09-26
申请号：US18189906
申请日：2023-03-24
CPC分类号： G01V1/362 , E21B44/00 , E21B49/00 , G01V1/282 , G01V1/302 , G06N20/00 , E21B7/04 , E21B2200/22 , G01V2210/614
摘要： Examples of methods and systems are disclosed. The methods may include obtaining, using a seismic processor, a training seismic dataset, comprising an input seismic dataset with a first extent and an output seismic dataset with a second extent, wherein the second extent is greater than the first extent. The methods may also include training, using the seismic processor and the training seismic dataset, a machine-learning (ML) network to predict the output seismic dataset, at least in part, from the input seismic dataset.
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8.发明公开公开(公告)号：US20240310540A1
公开(公告)日：2024-09-19
申请号：US18600002
申请日：2024-03-08
申请人： PGS Geophysical AS
CPC分类号： G01V1/282 , G01V1/303 , G01V1/306 , G01V1/3808
摘要： Methods and systems described herein are directed to determining properties of a subterranean formation using an acoustic wave-equation in terms of a velocity model and a vector reflectivity model of the subterranean formation. The acoustic wave equation may be used with simultaneous inversion to simultaneously build velocity and pre-stack reflectivity in the form of angle gathers of a subterranean formation. The velocity and angle gathers may be employed for quantitative interpretation. The velocity and vector reflectivity may be employed to determine relative impedance and relative density of the subterranean formation for prospectivity assessment. The acoustic wave equation may extend into the angle domain to build angle gathers of the subterranean formation with enhanced resolution and amplitude fidelity. The velocity, angle gathers, and vector reflectivity reveal the structure and lithology of features of the subterranean formation and may reveal the presence of oil and natural gas reservoirs.
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公开(公告)号：US20240309744A1
公开(公告)日：2024-09-19
申请号：US18182958
申请日：2023-03-13
发明人： Taher M. Sodagar , Amin Z. Alali , Ahmed M. Otaibi
CPC分类号： E21B44/00 , G01V1/282 , G01V1/302 , G01V1/345 , E21B2200/20 , G01V2210/512
摘要： Examples of methods and systems are disclosed. The methods include, obtaining a seismic dataset regarding a subsurface region of interest, wherein the seismic dataset comprises a plurality of time-domain seismic traces. The methods also include determining a plurality of single-frequency volumes from the plurality of time-domain seismic traces. The methods further include determining a frequency ratio volume based, at least in part, on the plurality of single-frequency volumes. The methods still further include extracting a three-dimensional (3D) geological body based, at least in part, on the frequency ratio volume. The methods further include determining a drilling target in the subsurface region based on the 3D geological body.
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10.发明公开公开(公告)号：US20240302554A1
公开(公告)日：2024-09-12
申请号：US18039331
申请日：2021-12-02
发明人： Philippe BERTHET , Mario TRANI
CPC分类号： G01V1/308 , E21B49/00 , G01V1/282 , E21B2200/20 , G01V2210/6122 , G01V2210/614 , G01V2210/6161 , G01V2210/624
摘要： The invention relates to a method for obtaining a physical property of a subsurface volume of a hydrocarbon reservoir over time comprising a fluid, carried out by a system and comprising the following steps:
obtaining observed data representative of a fluid saturation in said volume over time,
mapping a location of an observed fluid front from the observed data,
obtaining simulated data representative of the fluid saturation in said volume over time using a reservoir model,
mapping a location of a simulated fluid front from the simulated data,
obtaining simulated fluid flow streamlines in said volume over time from a flow simulator,
computing and minimizing a cost function representing a mismatch between the observed and simulated data by calculating a shortest distance among distances along corresponding simulated streamlines,
obtaining said physical property.
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