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The AAPG/Datapages Combined Publications Database
Showing 798 Results. Searched 200,357 documents.
Velocity model building and imaging driven by FWI with dual-azimuth data in a complex salt environment: Brazil case study
Xu Li, Christine Gans, Young Ho Cha, Diwi Snyder, Gopal Palacharla, Vijay Gottumukkula, Yaofeng He, Hongchuan Sun, Tetyana Vdovina, Xueyi Jia, Valeriy Brytik, Inmaculada Dura-Gomez
International Meeting for Applied Geoscience and Energy (IMAGE)
... azimuthal well log constrained tomography, iterative full waveform inversion (FWI) leveraging 3D mesh interpretation and wave-equation-based map...
2022
An immersed absorbing boundary condition for scalar wavefield modeling under topography
KeJi Chen, Hanming Chen, Hui Zhou
International Meeting for Applied Geoscience and Energy (IMAGE)
... at the artificial truncation boundary in wave equation numerical simulation to mimic an unbounded computational domain. When seismic waves enter ABC, they behave...
2022
High-resolution imaging using Gaussian beam point-spread-function deconvolution
Jidong Yang, Jianping Huang, Hejun Zhu, George McMechan
International Meeting for Applied Geoscience and Energy (IMAGE)
..., seismic imaging methods have evolved from ray-based Kirchhoff migration (Wiggins, 1984; Keho and Beydoun, 1988), through one-way wave equation migration...
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)
... for CO2 monitoring. 2D and 3D surveys were compared using wave equation-based amplitude-versus-offset (WEB-AVO) inversion. The encouraging WEB-AVO results...
2023
Prediction and attenuation method of surface-related multiple based on characteristic reflector
Jian Xiang, Huazhong Wang, Chengliang Wu
International Meeting for Applied Geoscience and Energy (IMAGE)
... streamers. In the case of known background velocity and subsurface reflectivity, SRMs can be predicted through wave equation modeling (Pica et al...
2024
The effects of marine currents on seismic data
Gary Hampson
International Meeting for Applied Geoscience and Energy (IMAGE)
... propagation across the water layer. One choice is to use the 1-way wave equation to depth extrapolate the time dependent wavefield through the water...
2024
An immersed boundary topography approach for TTI acoustic propagation
Edward Caunt, Rhodri Nelson, Tim MacArthur, Fabio Luporini, Gerard Gorman
International Meeting for Applied Geoscience and Energy (IMAGE)
... Gorman1,2 1 DevitoCodes Ltd, 2 Imperial College London, 3 Thrust Belt Imaging SUMMARY Application of wave-equation-based processing workflows in the presence...
2024
Optimization method of geometry and application based on Fresnel Gaussian beam forward modeling
Yang Jing, Yu Fuwen, Xu Xiaokun, Lv Shuang, Wang Xiangqian
International Meeting for Applied Geoscience and Energy (IMAGE)
... developed a forward method combining ray theory with wave equation [1].In 2006, Li Ruizhong introduced the advantage of Gaussian beam method...
2024
Application of acoustic anisotropic time-lapse full-waveform inversion at the Sleipner Field
Sea-Eun Park, Alexey Stovas, Hyeong-Geun Ji, Ju-Won Oh
International Meeting for Applied Geoscience and Energy (IMAGE)
.... In addition, considering the computational costs and the necessity for approximation, choosing an optimal wave equation for the selected anisotropic model...
2024
Ultrasound reverse time migration for human brain imaging
Ting Li, Bo Feng, Yang Zhou, Rongwei Xu, Huazhong Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... the time dispersion, we treat the acoustic wave equation as a harmonic oscillator differential equation and obtain its exact finite difference scheme...
2024
3D land full-waveform inversion in the Permian Basin: A case study at Quail Ridge East
Benjamin Consolvo
International Meeting for Applied Geoscience and Energy (IMAGE)
... steps applied. FWI Methods and Model Building In the forward modeling stage, FWI uses the wave equation—an equation that governs the physics of sound...
2024
Physics-informed full-waveform inversion using learned wavefield solutions
Xinquan Huang, Tariq Alkhalifah, Fu Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... this wavefield obeys the physical laws (wave equation) and matches the data on the surface, we achieve a significant reduction in noise and artifacts...
2024
Abstract: Reverse Time Migration of Prestack Elastic Data; #90224 (2015)
R. Ferner and M. D. Sacchi
Search and Discovery.com
... of finite-difference solutions to the elastic wave-equation are well documented in geophysical literature. These finite-difference solutions model elastic...
2015
-- no title --
Ehsan, Athar
Search and Discovery.com
..., 2017). The following are the cons of using the regular scheme: regular coarse grids results into inaccurate solution of the wave equation; also...
Unknown
Abstract: 3D Time Domain Full Waveform Inversion Based on Multiscale Adapted Variable Grid Method Case Study Majunga Basin East African Coast; #91204 (2023)
Mukiibi Ssewannyaga Ivan, Jian-Ping Huang, Zi-Ying Wang, Jidong Yang, Jin Keji
Search and Discovery.com
... grids results into inaccurate solution of the wave equation; also it results into redundancy mainly in the deep high velocity zones resulting...
2023
Fast anisotropic viscoelastic modeling and application in quantitative seismic reservoir characterization
Sirui Tan, Sunwoong Lee, John E Anderson, Haiyang Wang, Olivier Burtz, Partha Routh, Rongrong Lu, Yang Yu
International Meeting for Applied Geoscience and Energy (IMAGE)
... viscoelastic wave equation is computationally expensive because of the large number of memory variables. We have developed a new anisotropic...
2022
Marine Seismic Sources: Part XII: Sound in the Sea
Martin Landrø, Lasse Amundsen
GEO ExPro Magazine
... to formulate the wave equation, a mathematical means of describing sound waves that is the basis for all work on acoustics. His work set the stage...
2012
The Next Generation of Microseismic Imaging
Marc-André Lambert, Paul West
GEO ExPro Magazine
... ExPro APRIL 2012 33 Elastic wave-equation migration of multi-component data is the more natural and most physically complete approach. How does...
2012
Designing Coal-Bed Methane Seismic Acquisition Survey Parameters Using Finite Difference Modeling
Abdul Haris, Befriko Murdianto, Adriansyah
Indonesian Petroleum Association
... to the scalar wave equation. Additionally, absorbing boundary can also be implemented to reduce the edge effect artifacts. For 2-D scalar wave equation, we can...
2009
Improving subsalt images using reflection FWI on WAZ data: Examples from the Gulf of Mexico
Maksym Kryvohuz, Yihua Cai, Sebastian Ramirez, Robert Schelstrate, Gislain Madiba
International Meeting for Applied Geoscience and Energy (IMAGE)
... for reliable subsalt imaging. Wave equation based model building tools such as full waveform inversion (FWI) proved to be robust for updating...
2022
High-resolution angle gather tomography with Fourier neural operators
Sean Crawley, Guanghui Huang, Ramzi Djebbi, Jaime Ramos, Nizar Chemingui
International Meeting for Applied Geoscience and Energy (IMAGE)
... the acoustic VTI wave-equation: 82nd Annual International Conference and Exhibition, EAGE, Extended Abstracts, doi: https://doi.org/10.3997/2214-4609.202113304...
2023
Did You Know That Rocks Have Memory?
Åsmund Drottning, Per Avseth, Tore Nordtømme Hansen, DIG Science
GEO ExPro Magazine
... LIMITATIONS... our Wave Equation Based Inversion” Wave Equation Based AVO inversion Primaries Interbed multiples Mode conversions Transmission effects κ...
2023
Multiple prediction and removal via zero offset SRME: a case study from the Tarim Basin
Yalin Li, Haijun Yang, Gengxin Peng, Duoming Zheng, Ruirui Zhao, Chuanwen Sun
International Meeting for Applied Geoscience and Energy (IMAGE)
... with offset and azimuth. The method is based on Surface-Related Multiple Elimination (SRME), which is derived from wave equation theory and is widely used...
2024
Numerical modeling of PP and PS reflections in DAS VSP
Joseph J. Cherayil, James L. Simmons
International Meeting for Applied Geoscience and Energy (IMAGE)
...flections, the elastic wave equation was used to compute finite differences in Devito. The elastic wave equation in a homogeneous medium can be expressed...
2024
Improving the Convergence of Shot-Profile Migration by Plane Wave Synthesis
Chad M. Hogan
Search and Discovery.com
...-equation migration algorithm such as FOCI (Margrave et al., 2006). Plane-wave migration was developed in part to preserve the fidelity benefits of prestack...
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