Abstract: 3D muti-scale tomography: A case study from Oklahoma mountain front, Elive Menyoli, #90097 (2009)

Search and Discovery.com

Abstract: Salt Shape Tomography; #90254 (2016)

Patrice Guillaume, Olivier Hermant, Stanislaw Warzocha

Search and Discovery.com

... In subsalt depth imaging, salt bodies are usually delineated using scenario-based migration scans. Gridded approaches can estimate spatial variations...

Abstract: Constrained 3D VTI Full Waveform Inversion of Wide Azimuth Data from the Red Sea, Saudi Arabia; #90254 (2016)

Young Seo Kim, Constantine Tsingas

Search and Discovery.com

... velocity fields by employing an optimization approach. This methodology is based on the minimization of an objective function between the recorded data...

Abstract: FWI Using Reflections in Shallow Waters Offshore Abu Dhabi; #91204 (2023)

Carlos Barajas, Olivier Hermant, Oleg Khakimov, Bastian Hutahayan, Guillaume Cambois, Mohamed Mahgoub, Olivier Kirstetter

Search and Discovery.com

... and low velocity layers creating high apparent anisotropy in the bandwidth of seismic surveys. Obtaining an accurate description of the velocity...

Extended Abstract: Advances and Challenges in Seismic Data Processing and Imaging for Geologically Complex Areas

Ruben D. Martinez

GCAGS Transactions

... velocity model building and depth migration algorithms could not possibly deliver useful seismic depth images for structural interpretation...

Deep Crustal Structure of the Northwestern Gulf of Mexico

Yosio Nakamura ,, Dale S. Sawyer , F. Jeanne Shaub, Kevin MacKenzie , Jurgen Oberst

GCAGS Transactions

... into a continuous velocity profile for shallow structures, and moveout analysis of pre-critical reflections for interval velocities. For many areas...

Reflection waveform inversion assisted by full-wavefield imaging

Mikhail Davydenko, Eric Verschuur

International Meeting for Applied Geoscience and Energy (IMAGE)

...-migration and computing velocity gradient using that image. In this paper, we modify the LSRTM approach to handle multiple scattering even when a smooth...

Nonparametric Bayesian approach for robust depth uncertainty estimation from seismic velocity and anisotropy tradeoffs

Jinsong Chen, Sizhuang Deng, Min Yang, Andrey Shabelansky, Cory Hoelting, Huafeng Liu, Maisha Amaru

International Meeting for Applied Geoscience and Energy (IMAGE)

... sources is the tradeoffs between seismic velocity and anisotropy properties. Despite the progress in depth uncertainty analysis using seismic data...

Abstract: Improved Subsurface Imaging through Reverse Time Migration: A Synthetic Case Study; #90255 (2017)

Pradeep Mahadasu

Search and Discovery.com

... with high-velocity contrast. Reverse Time Migration is a two-way, finite difference migration solution to the wave equation that improves more...

A Note on the Use of the "Fryberger Method" for Evaluating Potential Sand Transport by Wind

Joanna E. Bullard

Journal of Sedimentary Research (SEPM)

... relative rates of sand transport (expressed as drift potential) from measurements of wind velocity. However, the values of drift potential obtained...

Reducing seismic quantitative interpretation uncertainty in complex geological environments: A case study from offshore Australia

Andrea Paxton, Lianping Zhang, Abdul Kholiq, Lee Davey, Richard Bisley, Dominic Fell, Leo Leon, James Shadlow

International Meeting for Applied Geoscience and Energy (IMAGE)

... elimination, fullwaveform inversion (FWI) and multi-azimuth Q-Kirchhoff depth migration with amplitude versus offset (AVO) quality assurance analysis throughout...

Joint OBN and 3D DAS-VSP data acquisition and processing in East China Sea

G. Yu, G. M. He, Z. L. Cao, H. B. Liu, J. J. Li, Y. Z. Chen, J. J. Wu, J. G. Li, X. M. Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

..., amplitude compensation, deconvolution, wavefield separation, velocity analysis and imaging. According to the characteristics of offshore 3-D VSP...

Optimized downward continuation for the one-way wave equation in TTI media

Cosmin Macesanu, Faqi Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

... (FFD) method used in the one-way wave equation. Errors associated with FFD can be magnified in media with strong lateral variations in velocity...

SaltCrawler: AI solution for accelerating velocity model building

Engin Alkan, Yihua Cai, Pandu Devarakota, Apurva Gala, John Kimbro, Dean Knott, Gislain Madiba, Jeff Moore

International Meeting for Applied Geoscience and Energy (IMAGE)

..., the bodies are automatically rendered to the velocity model and further evaluated with migration. Figure 2. SaltCrawler automatically picks...

Multi-Azimuthal Walkway VSP for Full Azimuth Seismic Calibration

Konstantin Galybin, Anastasia Poole, Michael Giles

Petroleum Exploration Society of Australia (PESA)

... Migration Velocity Smooth 3D Velocity field for 3D migration Demultiple Azimuthal AVO Inversion HTI analysis validation From VSP to Surface Seismic...

Modeling secondary oil migration with core-scale data: Viking Formation, Alberta basin

Elise B. Bekele, Mark A. Person, Benjamin J. Rostron, Randal Barnes

AAPG Bulletin

... to prevent particles from traversing an entire grid cell at the maximum oil velocity. Simulated oil migration pathways (gray shading in Figure 12) extend...

Angle-constrained VSP least-squares reverse-time migration based on a high-efficiency stabilized Poynting vector

Xuan Ke, Mauricio Sacchi, Ying Shi

International Meeting for Applied Geoscience and Energy (IMAGE)

...Angle-constrained VSP least-squares reverse-time migration based on a high-efficiency stabilized Poynting vector Xuan Ke, Mauricio Sacchi, Ying Shi...

Dynamic Relationship Between Hydraulics and Sedimentation in the Altamaha Estuary

Glenn S. Visher, James D. Howard

Journal of Sedimentary Research (SEPM)

... the estuarine system; the vertical depth and velocity related sequence of structures and textures developed during the migration of fill of an estuary...

Geomechanics Aided Solutions For Improving Drilling And Completions By Integrating Acoustics Measurements For The First Time In Mandapeta Field, Onshore Kg-Pg Basin, India

Search and Discovery.com

ReGenerating the Gippsland Basin

J. Firth, K. Zhao, S. Birdus, N. Mudge, J. Zhou

Petroleum Exploration Society of Australia (PESA)

... amplitude-versus-offset (AVO) analysis. High-resolution velocity modeling and imaging, using techniques such as Figure 3: Kirchhoff PSDM seismic crossline...

ABSTRACT: Future of Seismic in Oman, Advantages of WAZ Compared to NAZ, by Klaassen, Rini; Smith, Richard; Benjamin, Nigel; Cramp, Richard; Wah-Hong, Teo; #90141 (2012)

Search and Discovery.com

Gas hydrate characterization on New Zealand’s southern Hikurangi margin: Glendhu and Honeycomb ridges

Search and Discovery.com

Processing and Interpretation of 2-D Seismic Data from the Bighorn Basin, Wyoming

David J. Taylor

Wyoming Geological Association

...) Datum Correction Trace Equalization Predictive Deconvolution Constant Velocity Analysis Normal Moveout Correction Hand Statics Corrections...

Elastic wave reverse-time migration with dynamic focused beams for weak anisotropic media

Ning Qin

International Meeting for Applied Geoscience and Energy (IMAGE)

... of strong lateral velocity-variation region, which has made rapid development in recent years. Elastic wave migration algorithms are mainly classified...

Sand Particle Movement on Migrating Combined-Flow Ripples

Miwa Yokokawa , Fujio Masuda , Noritaka Endo

Journal of Sedimentary Research (SEPM)

... the residual sand cloud floating above trough #3. EFFECT OF RELATIVE OSCILLATORY VELOCITY The cinematographic analysis clearly shows that the vortices...