Pushing the boundary of WAZ streamer data for subsalt imaging: A case study in deepwater Mexico Campeche

Yi Chen, Kendra Pyke, Juan Wang, Jasmeen Moubarak, Earl Manning, Jessica Kopp, Rongzhang Chen, Chang Chen, Ravi Kumar, Minshen Wang, Sabaresan Mothi

International Meeting for Applied Geoscience and Energy (IMAGE)

... and subsalt imaging. Recent developments of Full Waveform Inversion (FWI) and FWI Imaging provide us with a good opportunity to solve these challenges...

Hybrid streamer/sparse OBN imaging offshore Norway

Chris Walker, Zhengzheng Zhou, Xi Li

International Meeting for Applied Geoscience and Energy (IMAGE)

... data to be used for imaging, whilst the OBN data were to be used only to obtain velocity information using Full Waveform Inversion (FWI.) Parallel...

Fault MLReal: A fault delineation study for the Decatur CO2 field data using neural network predicted passive seismic locations

Hanchen Wang, Yinpeng Chen, Tariq Alkhalifah, Youzuo Lin

International Meeting for Applied Geoscience and Energy (IMAGE)

... independent full waveform inversion method: Geophysical Journal International, 214, 46–57, doi: https://doi.org/10.1093/gji/ggy121. Wang, H...

RNN-based seismic velocity model building: Improving generalization using hybrid training data

Hani Alzahrani, Jeffrey Shragge

International Meeting for Applied Geoscience and Energy (IMAGE)

..., constructing training models that closely resemble the local geology can be as hard as developing a sufficient starting model for full waveform inversion...

High-precision seismic imaging for complex deep structures in the hydrocarbon exploration using a coherent-stacking-based least-squares migration

Jidong Yang, Jianping Huang, Tengfei Lin, Zhenchun Li, and Liang Chen

AAPG Bulletin

... of the incident angles make it difficult to accurately estimate the velocity model with ray-based tomography and full waveform inversion. The inaccurate...

Horizontal Well Evaluation to Determine Geological Facies, Mechanical Properties, and Natural Fracture Changes Using Slim Through-the-Bit Dipole Sonic and Oil-Based Microimaging Tools

Edgar Velez, Elia Haddad, Firas Al Shaikh, Ghada Barbour, Kyle Barrie

Unconventional Resources Technology Conference (URTEC)

... and borehole wall. The reflections of the full Stoneley waveform are analyzed to understand the mobility of the fractures identified by the borehole image...

Q-compensated least-squares reverse time migration by considering velocity and Q perturbations

Jinli Li, Yingming Qu, Chongpeng Huang, Zhenchun Li

International Meeting for Applied Geoscience and Energy (IMAGE)

... Geologists References Chen, K., and M. D. Sacchi, 2017, Elastic least-squares reverse time migration via linearized elastic full-waveform inversion...

Simultaneous source wide azimuth seismic acquisition using low frequency Gemini source in eastern Mediterranean Sea

Shangli Ou, Shelley Zaragoza, Zachary Lawrence, Lindsey Donaldson, Chris Tapie, Kim Begay-Jackson, Brian deMartin, Ares Ouzounis, Jie Shu, Luigi Pastore, Gita Febriany

International Meeting for Applied Geoscience and Energy (IMAGE)

... on Full-Waveform-Inversion (FWI). The survey program resulted in high signal-to-noise ratio (SNR) data, enhanced in low-frequency (LF) content between...

Megaflaps as prolific subsalt structures in the eastern Gulf of Mexico

Peter Lanzarone, David Lankford-Bravo, Sandra Garzon, Ben Schupack, Gabriel Ritter

International Meeting for Applied Geoscience and Energy (IMAGE)

... occurrence in poorly illuminated subsalt settings. Recent advances in seismic technology, including ocean bottom node acquisition and full waveform inversion...

2023 Middle East Oil, Gas and Geosciences Show ; - Abstracts, #91204 (2023).

Search and Discovery.com

Least-squares reverse time migration: Lessons learned from recent applications in challenging areas of the Santos Basin, Brazil

Jos Rodrigues, Felipe Duarte, Danilo Domingos, Bruno Pereira-Dias, Elionardo Pintas

International Meeting for Applied Geoscience and Energy (IMAGE)

... tomography and full waveform inversion (FWI), aid the construction of highfidelity and high-resolution models. In our experience, however, a deep geological...

Wave-equation based inversion for carbonate reservoir characterization in Kuwait

Rao Narhari, Ahmad Al-Sabari, Afrah Al-Ajmi, Justin Ugbo, Jeremy Harris, Gerard Soto, Panos Doulgeris

International Meeting for Applied Geoscience and Energy (IMAGE)

.../ segam2020-3427400.1. Virieux, J., and S. Operto, 2009, An overview of full-waveform inversion in exploration geophysics: Geophysics, 74, no. 6, WCC1–WCC26, doi...

OIL & GAS

Henk Kombrink

GEO ExPro Magazine

... MODEL UPLIFT The advancement in Full-Waveform Inversion (FWI), both in efficiency and quality, has been phenomenal, especially since the introduction...

Seismic velocity … A strong identifier of gas prospects

Martin Essenfeld, Rafael Sandrea

GEO ExPro Magazine

... technologies like Full Waveform Inversion (FWI), the accuracy of the velocity data has improved. This advance now should provide an opportunity...

Unlocking hidden potential in shallow water Gulf of Mexico legacy data for carbon capture and storage exploration

Rachel Collings, Igor Marino, Adriana Arroyo Acosta, Jack Kinkead, Hugo Medel, Trong Tang, Gabriela Suarez, Brett Sellers

International Meeting for Applied Geoscience and Energy (IMAGE)

... utilizes a vector reflectivity parameterization of the wave equation (Whitmore et al., 2021) and an efficient scale separation of the Full Waveform...

3D VSP Finite-Difference Acoustic Modeling to Address Advance Seismic Imaging Challenges in Bintuni Bay … Irian Jaya Barat

Angke Nuraeni, Greg J. Schurter, Yayat Supriyatna, Supriyono, Brian Hornby, Cemal Erdemir

Indonesian Petroleum Association

... the near surface. VSPs may also be less prone to noise or multiple contamination and signal distortion. This finite difference (FD) modeling used a full...

Using Super Basins as Analogues

Charles A. Sternbach

GEO ExPro Magazine

... bottom seismic and full waveform inversion, which together have produced a step change in imaging, allowing for enhanced fault identification...

New numerical schemes for time-domain seismic wave modeling in viscoelastic media

Bing Zhou, Moosoo Won, Chao Jin

International Meeting for Applied Geoscience and Energy (IMAGE)

...lastic and viscoelastic full-waveform inversion using a spectral-element method on flexible Cartesian-based mesh: Geophysics, 84, no. 1, R61–R83, doi: https://d...

Abstract: Investigation of the Relationship between Seismic Velocity Dispersion Principles and the Permeability of Subsurface Porous Materials; #90174 (2014)

Adrienne Campbell, Winnie Pun, and Bernd Milkereit

Search and Discovery.com

... that it is possible to map relative permeability variation using P wave velocity dispersion logs derived from full waveform sonic data (Pun et al). Seismic attenuation...

Multiparameter FWI imaging in the Gulf of Mexico

Tom Rayment, Karen Dancer, James McLeman, James Penwarden, Tim Ooi, Monica Hartmann

International Meeting for Applied Geoscience and Energy (IMAGE)

... wave-equation-based algorithms such as reverse time migration (RTM). Multi-parameter full-waveform inversion (MP-FWI) imaging is a novel approach...

Seismic Foldout: Dynamic Matching FWI + EEI makes a difference to your interpretation

Bent Kjølhamar, Adriana Citlali Ramírez, Reidun Myklebust, TGS

GEO ExPro Magazine

...-matching full waveform inversion (DM FWI) to interpret the geology and gas anomalies, alongside observations underpinning why the volcanic rocks NEW...

Seismic Geomechanics of Mud Volcanoes; #70261 (2017)

Rashad Gulmammadov, Stephen Covey-Crump, Mads Huuse

Search and Discovery.com

... vertical section across an ACG mud volcano were modelled by digitizing the P-wave velocities presented on a Full Waveform Inversion (FWI) image...

Integrated and adaptive monitoring of geological carbon storage operations with surface distributed acoustic sensing

Mike Branston, David F. Halliday, Ran Bachrach, Mathieu Chapelle, Sarah Harrington, Rob Campbell, James Butt

Australian Energy Producers Journal

... in the data domain to be projected into the model domain using sparse 4D full-waveform inversion (FWI). The seismic source effort can be increased...

Deep learning to predict subsurface properties from injected CO2 plume bodies using time-lapse seismic shot gathers

Son Phan, Wenyi Hu, Aria Abubakar

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Huang, Z., X. Yan, Z. Wang, P. Zhang, and F. Zhang, 2021, Application of 4D full waveform inversion in the CO2 storage monitoring: a synthetic example...

3D ultra high resolution seismic processing „ A case study from offshore USA

Bertrand Caselitz, Luca Limonta, Julien Oukili, Jonas Tegnander, Vicky Catterall

International Meeting for Applied Geoscience and Energy (IMAGE)

... for more advanced depth processing technology such as Least Squares Migration and Full Waveform Inversion. Conclusions In conclusion, this work...