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...

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...

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...

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...

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...

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...

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...

-- 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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

Abstract: The Application of The Nearly Optimal Sponge Boundary Conditions for Seismic Wave Propagation in Poroelastic Media; #90171 (2013)

Jingyi Chen and Ralph Phillip Bording

Search and Discovery.com

... the Biot/Squirt theory to include the solid/fluid coupling anisotropy and develop a general 3D poroelastic wave equation in time domain including both...

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...

Abstract: The Application of The Nearly Optimal Sponge Boundary Conditions for Seismic Wave Propagation in Poroelastic Media; #90171 (2013)

Jingyi Chen and Ralph Phillip Bording

Search and Discovery.com

... the Biot/Squirt theory to include the solid/fluid coupling anisotropy and develop a general 3D poroelastic wave equation in time domain including both...

Abstract: Efficency and Accuracy Enhancement for One-way Wave Equation Migration Through Improved Mapping Function in the Time-shift Imaging Condition; #90171 (2013)

Mark Ng

Search and Discovery.com

...Abstract: Efficency and Accuracy Enhancement for One-way Wave Equation Migration Through Improved Mapping Function in the Time-shift Imaging...

Abstract: Multi-Scale 2D Acoustic Full Waveform Inversion with High Frequency Impulsive Source; #90187 (2014)

Vladimir N. Zubov, Michael P. Lamoureux, and Gary F. Margrave

Search and Discovery.com

...) is examined in the present study, using synthetic data for the acoustic wave equation problem with boundary. Different frequency impulsive sources...

Pioneering the Global Subsalt/Presalt Play: The World Beyond Mahogany Field, by Dwight "Clint" Moore, #10285 (2010).

Search and Discovery.com