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Showing 2,053 Results. Searched 200,619 documents.
Reflection waveform inversion regularized with structural constraints and scattered data interpolation
Chengliang Wu, Huazhong Wang, Bo Feng, Ting Lei, Rongwei Xu, Shen Sheng
International Meeting for Applied Geoscience and Energy (IMAGE)
... model by minimizing an objective function, which measures the discrepancy between modeled and observed data. However, FWI is a strong nonlinear inverse...
2023
PP-PS depth-domain AVA inversion
Maud Cavalca, Robin P. Fletcher
International Meeting for Applied Geoscience and Energy (IMAGE)
... with the reflectivity obtained by applying a (nonlinear) Zoeppritz PS reflectivity operator to the true earth model properties. The illumination...
2023
Multiscale insights into the Mount Weld REE deposit from 2D and 3D active seismic survey data
Thomas Bell, Greg Turner, Ganesh Bhat, Brad Knell
International Meeting for Applied Geoscience and Energy (IMAGE)
....tecto.2004.04.032. Zhang, J., and M. N. Toksöz, 1998, Nonlinear refraction traveltime tomography: Geophysics, 63, 1726–1737, doi: https://doi.org...
2023
Elastic FWI imaging of a complex presalt structure using NATS data
Arthur Henrique, Luiz Felão, Sergio Barragan, Florian Jouno
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Tarantola, A., 1986, A strategy for nonlinear elastic inversion of seismic reflection data: Geophysics, 51, 1893–1903, doi: https://doi.org/10.1190/1...
2023
Applications of 3-D Seismic/Forward Modeling to Water Shutoff and Other Reservoir Management Issues
D. E. Moore, H. E. Goodman, P. D. Norman
Indonesian Petroleum Association
... nonlinear, unique for a given field and/or reservoir within a field, and can be repeatable over time in portions of the reservoir that remain unchanged...
1995
Adaptive UMAP based multiple-frequency attribute blending and its application on hydrocarbon reservoir characterization
Zezhou Zhang, Naihao Liu, Yang Yang, Zhiguo Wang, Rongchang Liu, Jinghuai Gao
International Meeting for Applied Geoscience and Energy (IMAGE)
... et al. (2019) applied the Support Vector Machine (SVM) algorithm to blend the high-, middle-, and lowfrequency attributes to establish the nonlinear...
2023
Unsupervised clustering of frequently repeated 4D seismic data for delineation of CO2 plume development
Boshara M. Arshin Sukar, Colin MacBeth
International Meeting for Applied Geoscience and Energy (IMAGE)
... learns nonlinear lower-dimensional feature representations and iteratively optimizes a Kullback–Leibler divergence-based clustering objective...
2023
The interferographic TEM (ITEM) method: Array beamforming for TEM field compaction and resolution improvement
Bryan James, Kyubo Noh, Andrei Swidinsky, Johannes Stoll, Daryl Ball
International Meeting for Applied Geoscience and Energy (IMAGE)
...) Issues arise with (4) as ∆j values reach or go below -1; in this case the 1 + ∆j term is changed to 10∆j, which is nonlinear. Example A semi...
2023
The contribution of recent developments in signal processing technology and geological constraints to the reimaging of narrow-azimuth streamer data in the north-eastern Gulf of Mexico
Hongyan Li, Jarred Hostetler, Nadxieli De La Rosa Perez, Hugo Enrique Munoz Cuenca, Zhao Ge, Wilson Ibanez, Courtney Steichen, Ruoyu Gu, Jarrod Hutson, Michiru Tomida
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Gaffney, and D. Boreham, 2008, Direct nonlinear traveltime inversion in layered VTI media: 78th Annual International Meeting, SEG, Expanded Abstracts...
2023
Robust multichannel prestack AVA inversion based on elastic L1/2 norm
Nanying Lan
International Meeting for Applied Geoscience and Energy (IMAGE)
... interface of homogeneous media. However, its nonlinear obstructs its direct use in AVA inversion. To simplify the Zoeppritz equation, Fatti et al. (1994...
2023
Thickness Prediction of Tectonically Deformed Coal Using Calibrated Seismic Attributes: A Case Study
Tongjun Chen, Xin Wang
Petroleum Exploration Society of Australia (PESA)
... of reflections is not a linear function of coal-bed thickness as Ad expressed, and the calibration function f(b) will be a nonlinear function. In order to achieve...
2016
Random and time-persistent depositional processes in turbidite successions: an example from the marine deep-water Aoshima Formation (Neogene, Kyushu Island, southwest Japan)
Yoshiro Ishihara, Keisuke Kimata, Yuri Onishi
Journal of Sedimentary Research (SEPM)
... Publication 92, p. 325–346. Fuchs, A., 2013, Nonlinear Dynamics in Complex Systems: Theory and Applications for the Life-, Neuro- and Natural Sciences...
2024
Frequency-dependent reflection characteristics of single thin layer and waveform inversion
Zhengyang Kuai, Danping Cao, Chao Jin
International Meeting for Applied Geoscience and Energy (IMAGE)
... is a nonlinear forward modeling problem, and the PP wave synthesis record obtained by this method can be expressed as: d=G m (4) In the formula, d...
2023
Broadband seismic probabilistic AVO inversion for reservoir properties
Kun Li, Qingwen Zheng, Xingyao Yin, Yaming Yang
International Meeting for Applied Geoscience and Energy (IMAGE)
... AVO data with known lithofacies. Due to the nonlinear of the Laplace probability distribution, we assume the these parameters are independent of each...
2023
A simultaneous denoising and event picking approach using supervised machine learning
Salman Abbasi, Motaz Alfarraj, Dmitry Borisov, Vikram Jayaram, Iftekhar Alam, Bakhtawer Sarosh
International Meeting for Applied Geoscience and Energy (IMAGE)
... of linear and nonlinear seismic events, ground roll, and random noise: Geophysics, 88, no. 4, V303–V315, doi: https://doi.org/10.1190/geo2022-0470.1. Akram...
2023
2D seismic surveys as an alternative for CO2 monitoring in the North Dakota CarbonSAFE project
César Barajas-Olalde, Donald C. Adams, Hansel Gonzalez, Mengmeng Zhang, Pablo Benitez, Ryan J. Klapperich, Wesley D. Peck, Panos Doulgeris
International Meeting for Applied Geoscience and Energy (IMAGE)
... as the scheme accounts for the nonlinear wave propagation modes, and the time-lapse changes must comply with the wave equation. The WEB-AVO method directly...
2023
Introducing stochasticity into CNN-based property estimation from angle-stack seismic
Haibin Di, Tao Zhao, Aria Abubakar
International Meeting for Applied Geoscience and Energy (IMAGE)
... and the American Association of Petroleum Geologists REFERENCES Abubakar, A., P. M. van den Berg, and J. T. Fokkema, 2003, Towards nonlinear inversion...
2024
What do acoustic FWI derived amplitudes mean in terms of elastic properties?
Dhananjay Kumar, Ana Garcia-Ceballos, Joe Dierkhising, Abigail Maxwell, Akkel Paul
International Meeting for Applied Geoscience and Energy (IMAGE)
... International Meeting, SEG, Expanded Abstracts, 1507–1511, doi: https://doi.org/10.1190/segam2017-17738630.1. Tarantola, A., 1986, A strategy for nonlinear...
2024
Deep learning approach to inverting flexural wave dispersion
Hengjian Zhang, Zhifen Sun, Xianzhi Li, Xiaofang Sun, Chu Wang, Ya Jin, Xiaofei Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... to the highly nonlinear, multimodal, and non-convex optimization characteristics of dispersion inversion, convergence speed is very slow when using...
2024
Image processing of jointly acquired 3D DAS-VSP data with an OBN survey in the Middle East
G. Yu, H. Liu, Y. Zhang, H. Chen, X. Li, L. Duan, G. Cambois, J. Cowell, J. Mason, Y. Chen, J. Wu
International Meeting for Applied Geoscience and Energy (IMAGE)
... − ∇ ) 𝑝(𝑥; 𝑡; 𝑥 𝑠 = 𝛿(𝑥 − 𝑥 𝑠 { 𝑣(𝑥) 𝑑(𝑥 𝑟 ; 𝑡; 𝑥 𝑠 ) = 𝑝(𝑥 𝑟 ; 𝑡; 𝑥 𝑠 ), ( (2𝑎) (2𝑏) where 𝑆(𝑡) is the source wavelet and ∇2 denotes the Laplacian operator. The nonlinear state-space response...
2024
Automatic low-order weak faults detection from carbonate reservoir based on deep learning and ant tracking
Han Wang, Xingwei Wu, Hanqing Wang, Jin Meng, Ji Chang, Tianrui Ye, Yujie Zhou, Dongwei Zhang, Yitian Xiao
International Meeting for Applied Geoscience and Energy (IMAGE)
... for solving the nonlinear fault identification problem. Different from the original U-Net structure, the convolutional kernel used by the CNN is 3D...
2024
A depth uncertainty estimation method using interval-domain anisotropic VTI velocity and travel time detectability criterion
Andrey H. Shabelansky, Cory J. Hoelting, Min Yang, Sizhuang Deng, Jinsong Chen
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Poliannikov, 2018, Assessing uncertainties in velocity models and images with a fast nonlinear uncertainty quantification method: Geophysics, 83, no. 2...
2024
Elastic FWI for joint Vp, Vs and density inversion
Peng Shen, Uwe Albertin, Hermes Malcotti, Josh Haataja
International Meeting for Applied Geoscience and Energy (IMAGE)
... to that of standard AVO inversion after migration in media that are relatively simple and stratified. However, the nonlinear nature of an FWI inversion...
2024
Design of low frequency sweep signals for conventional vibrators
Tie Wei, Yang Zhu, Zhigang Liu, Dong Wang, Guowei Wei, Mingtao Nie
International Meeting for Applied Geoscience and Energy (IMAGE)
... for maximum peak force of conventional vibrators is generally from 5 ~ 6Hz. A nonlinear LF sweep signal needs to be specifically designed for the LF...
2024
Application of interactive convolutional neural network micro-fracture prediction technology based on prestack depth migration data in deep shale gas reservoirs
Xiaolan Wang, Furong Wu, Junfeng Liu, Dianguang Zang, Xiao Yang, Yangjing Li, Xiaoyan Cheng
International Meeting for Applied Geoscience and Energy (IMAGE)
... and multi-directional features of input data. By performing layer-by-layer feature abstraction and nonlinear transformation, CNNs establish the ability...
2024