An acoustic wave equation with the gradients of velocity and density

Jianyong Bai, Orhan Yilmaz

International Meeting for Applied Geoscience and Energy (IMAGE)

... estimation in full waveform inversion or is used for optimizing migration image in least-squares RTM. Note that historically the reflectivity has been used...

The need of elastic RTM for elastic FWI models

Hui Huang, Zedong Wu, Xue Xiao, Zhigang Zhang, Ping Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

..., Z. Zhang, Z. Wu, Z. Wei, J. Mei, and P. Wang, 2021, Full-waveform inversion for full-wavefield imaging: Decades in the making: The Leading Edge, 40, ...

Integrating advanced azimuthal tomography and FWI to improve complicated carbonate fracture-cavity reservoirs in ShunBei oil fields, Tarim Basin

Lanlan Yan, Jiashun Yao, Hao Zheng, Kai Guo, Yong Zhang, Feiluo Peng, Yan Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... based FWI (Full Waveform Inversion) technique suits to defining the geologic details in velocity model building category; azimuthal tomography could...

Generative modeling for inverse problems

Rami Nammour

International Meeting for Applied Geoscience and Energy (IMAGE)

... (termed FWI: Full Waveform Inversion) leads to a computationally expensive, non-convex optimization. The large scale of the IP limits feasible...

Abstract: A Novel Approach to Reservoir Characterization Using Seismic Inversion, Rock Physics and Bayesian Classification Scheme, by Nader C. Dutta; #90077 (2008)

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Abstract: Towards an Efficient and Reliable HPC Software Platform for 3D Geophysical Inversion; #90255 (2017)

Juan-Esteban Rodriguez, Mauricio Hanzich, Jean Kormann, Natalia Gutiérrez, Jose Cela, Josep De La Puente, Vladimir Puzyrev

Search and Discovery.com

... such as Full Waveform Inversion (FWI) or Electromagnetic Inversion (EMI) independently is too costly and the maintenance and porting of such codes unaffordable...

Abstract: Salt Velocity Model Building by Seiemic-CSEM Joint Inversion in the Red Sea; #90319 (2018)

Daniele Colombo, Diego Rovetta, Ersan Turkoglu, Gary W. McNeice, Ernesto Sandoval-Curiel

Search and Discovery.com

... analysis, such as full waveform inversion (FWI), require starting from a good initial estimate of the velocity model to enable local minimization...

Elastic AWI and RWI in the Santos Basin

Tenice Nangoo, Nikhil Shah, Adrian Umpleby, John Armitage, Mike Warner, Gustavo Catao Alves, Andre Bulcao, Analena Mileo Camara de Oliveira

International Meeting for Applied Geoscience and Energy (IMAGE)

... simple acoustic RTM. Introduction Full-waveform inversion now forms a near-essential part of velocity-model building for sub-salt imaging. Here...

Fault Shadow Correction by Advanced Tomographic Velocity Model Building

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Abstract: Elastodynamic FWI Efficiency Study With Partial Stacking in 2D; #90224 (2015)

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

Search and Discovery.com

... of accelerating conventional full waveform inversion using a data sampling approach implemented as partial stacking or fractional shots...

Abstracts: Evidence of Shallow Gas in the Queen Charlotte Basin from Waveform Tomography of Seismic Reflection Data; #90173 (2015)

Eric M. Takam Takougang and Andrew J. Calvert

Search and Discovery.com

... of the valhall model from synthetic obc data by frequency domain elastic full-waveform inversion: SEG Technical Program Expanded Abstracts, 28, 2293–2297...

An efficient L-BFGS-based approach to estimate the uncertainty of full-waveform inversions

Yongbo Zhai, Xin Cheng, Robert Bloor, Denes Vigh, Zhen Xu

International Meeting for Applied Geoscience and Energy (IMAGE)

..., and James Xu, Schlumberger Summary Full Waveform Inversion (FWI) has played a critical role in estimating the subsurface velocity models during the past...

Impact of full-wavefield inversion (FWI) based high-resolution model building and Q imaging on exploration and development at Guyana Stabroek

Fuxian Song, Patrick Monigle, Jia Yan, Vikas Gudipati, Xu Li, Sunwoong Lee, Sam Hemmings-Sykes, Ashlika Persaud, James Pape, Lee E Gilchriest, Amir Abdi, Emily Lalli, Anupama Venkataraman, Ramesh Neelamani, Steve Knapp, Krista Solvason

International Meeting for Applied Geoscience and Energy (IMAGE)

...: Offshore Technology Conference, doi: https://doi.org/10.4043/ 30946-MS. Virieux, J., and S. Operto, 2009, An overview of full-waveform inversion...

Facies-based inversion through integrating elastic full-waveform inversion and high-frequency imaging data

David Tang, Valeriy Brytik, Olivier Burtz, Young Ho Cha, Partha Routh, Ratnanabha Sain, Jay Barr, Dez Chu, Michael Gutierrez, Jeffrey Sitgreaves, Jacob Utley, Guy Medema, Alison Scribner

International Meeting for Applied Geoscience and Energy (IMAGE)

...Facies-based inversion through integrating elastic full-waveform inversion and high-frequency imaging data David Tang, Valeriy Brytik, Olivier Burtz...

Towards an Efficient and Reliable HPC Software Platform for 3D Geophysical Inversion; #70238 (2017)

Juan Esteban Rodriguez

Search and Discovery.com

... (HPC) environment is of outmost importance. Furthermore, defining specific software for each process such as Full Waveform Inversion (FWI...

Next-generation resolution through multiparameter FWI imaging

Tom Rayment, James McLeman, Karen Dancer, Tim Burgess

International Meeting for Applied Geoscience and Energy (IMAGE)

... they are performed in a linear fashion and require significant effort to parameterize and apply. Multi-parameter full waveform inversion (FWI...

Time-lapse FWI prediction of CO2 saturation and pore pressure

Qi Hu, Kristopher Innanen

International Meeting for Applied Geoscience and Energy (IMAGE)

...’s model in predicting the effect of pressure changes. Furthermore, we propose a full waveform inversion (FWI) algorithm incorporating the proposed...

Semi-global multiparameter FWI using public cloud HPC

Henry A. Debens, David Knodel, Fabio Mancini, Darryl Harris, Mike Warner, Adrian Umpleby

International Meeting for Applied Geoscience and Energy (IMAGE)

... deployment of a semi-global approach to multi-parameter full-waveform inversion (FWI) over large areas. We introduce several novel aspects to semi-global...

Physics-directed unsupervised machine learning: Quantifying uncertainty in seismic inversion

Sagar Singh, Yu Zhang, David Thanoon, Pandu Devarakota, Long Jin, Ilya Tsvankin

International Meeting for Applied Geoscience and Energy (IMAGE)

... Information Processing Systems, 2348–2356. Guitton, A., 2011, A blocky regularization scheme for full-waveform inversion: 81st Annual International...

High-resolution seismic reservoir monitoring with multitask and transfer learning

Ahmed M. Ahmed, Ilya Tsvankin, Yanhua Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

... (CCS). Timelapse elastic full-waveform inversion (FWI) has been used for high-resolution monitoring using seismic data (Queißer and Singh, 2013...

Imaging challenges at Gulf of Papua (PNG) and their solutions through high-end imaging technology

Zongying Gong, Subhash Chandra, Xiaodong Wu, Yajing Li, Min Zhi, Michael Szczepaniak, Barry Hung

Petroleum Exploration Society of Australia (PESA)

... these challenges, we need to focus on two major aspects. Firstly, we need to derive a high-resolution velocity model. Full Waveform Inversion (FWI...

Abstract: MP-FWI Imaging and Green HPC: The Future of Processing and Imaging; #91209 (2025)

Tom Rayment

Search and Discovery.com

... in full waveform inversion (FWI) have delivered a step change in the quality of seismic images for interpretation allowing for improved decisionmaking...

Abstract: Geostatistics and Gradient-Based Structure Coupling for Integration of Uphole Data with Tomography; #91204 (2023)

Ersan Turkoglu, Daniele Colombo, Ernesto Curiel, Hala Alqatari

Search and Discovery.com

... and detailed near-surface velocity models. Tomographic or full waveform inversions provide detailed velocity models but accuracy of these models at very...

Velocity model building for pressure and converted wave imaging using surface-DAS data: A North Sea case study

M. ElAttar, H. Malak, A. Cooke, O. Lewis, C. Thorgersen

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Enhanced template matching full-waveform inversion: 84th EAGE Annual Conference & Exhibition. European Association of Geoscientists & Engineers, doi...

Application of high-end seismic imaging technologies for field development in NWS Australia

Min Lee Chua, Kai Zhao, Narcisa Lazarescu, Wai King Yong, Sergey Birdus, Alexey Artemov, Xiang Li

Petroleum Exploration Society of Australia (PESA)

...beneath if unresolved. Full waveform inversion (FWI) has been proven to be effective in generating high-resolution and high-fidelity velocity models (...