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The AAPG/Datapages Combined Publications Database
Showing 16,576 Results. Searched 195,502 documents.
Automated velocity model building using Fourier neural operators
Guanghui Huang, Sean Crawley, Ramzi Djebbi, Jaime Ramos-Martinez, Nizar Chemingui
International Meeting for Applied Geoscience and Energy (IMAGE)
...Automated velocity model building using Fourier neural operators Guanghui Huang, Sean Crawley, Ramzi Djebbi, Jaime Ramos-Martinez, Nizar Chemingui...
2023
Bridging the gap: Deep learning on seismic field data with synthetic training for building Gulf of Mexico velocity models
Stuart Farris, Robert Clapp
International Meeting for Applied Geoscience and Energy (IMAGE)
.../10.1190/1.3627449. Park, M. J., and M. D. Sacchi, 2020, Automatic velocity analysis using convolutional neural network and transfer learning: Geophysics...
2023
Seismic Velocity Anisotropy in Chimore Area, Bolivia
Michael Fry, Eloy Martinez, James Baker, Mark Wallace
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
...-sectored) velocity analysis technique not only demonstrated highly variable azimuthal velocity anisotropy present in the area, but also allowed its...
2008
Optimized characterization workflow for naturally fractured reservoirs using seismic anisotropy attributes in the Middle Magdalena Valley basin, Colombia
Oscar Moreno, Enrique Casaña, Luis Figuera, Iván Higuera, Diego García, Jorge Acosta, Benjamin Roure
International Meeting for Applied Geoscience and Energy (IMAGE)
... of azimuthal gathers, yielding attributes associated to Velocity Variations with Azimuth (VVAZ). In this case, anisotropy magnitude is related to the difference...
2023
Conditioning Prestack Seismic Data in the Offset-Azimuth Domain; #42462 (2019)
Ritesh Kumar Sharma, Satinder Chopra
Search and Discovery.com
... within common mid-point, or CMP, gathers. Thereafter, the common procedure is to azimuthally sector the gathers (six sectors of 30 degrees each), and put...
2019
High-End Model Building Techniques for Revealing a Pre-Carbonate Reservoir Offshore East Natuna Basin, Indonesia
Jun Wang, Yonghe Guo, Yitao Chen, Muhammad Nauvall Juliansyah, Nick Crabtree
Indonesian Petroleum Association
... difficulties for conventional raybased reflection travel-time tomography. Figure 3 - Initial velocity and refraction energy penetration analysis (Depth...
2023
Depth correction using velocity for structure calibration at Leviathan Field, offshore Israel
Yijie Zhou, Brad Christensen, Lin Christianson
International Meeting for Applied Geoscience and Energy (IMAGE)
... and angle/offset gathers) and well data are converted to time domain first using the original migration velocity, which is followed by a detailed well...
2023
Near Surface Imaging using Joint Seismic Gravity Inversion
Teguh Suroso, Boko Nurdiyanto, Trilaksita B. Nugraha, Lita Novitasari, Heri Winarto
Indonesian Petroleum Association
.... Velocity Analysis Velocity analysis was performed on seismic gathers using a range of constant velocities. The resulting constant velocity migration...
2019
Leveraging Reflection, Refraction, and Multiple Arrivals from Dual-Sensor Streamer Data for High-Fidelity Velocity Model Building and Imaging
G. Rønholt, J.E. Lie, Ø. Korsmo, B. Danielsen, S. Brown, S. Brandsberg-Dahl, A.V. Mavilio, N. Chemingui, D. Whitmore, M. Farouki
Indonesian Petroleum Association
...Leveraging Reflection, Refraction, and Multiple Arrivals from Dual-Sensor Streamer Data for High-Fidelity Velocity Model Building and Imaging G...
2014
Confirming Reservoir Geometry and Exploration Opportunity through 5D Interpolation PSDM in The Sub-ophiolite Zone, Banggai Sula Basin, Central Sulawesi
Mufied Ahmad, Dadang Ramdan, Yudi Herdiana, Abdullah Nurhasan, Arif Budi Mulyawan
Indonesian Petroleum Association
... velocity analysis. Several spots in the northern part underneath the ophiolite showed relatively flat gathers after NMO correction with minimum residual...
2021
Depth Imaging Seismic Data to Help Delineate Gas Reservoirs in Southwest Wyoming
Alvin K. Benson
Wyoming Geological Association
... to the common reflection point assumption, and imaging will be applied after stack. When the subsurface structure is complex, two equally important...
1989
ABSTRACT: Pre-Stack Depth Migration and the Imaging of Complex Structures in the Wyoming Thrust Belt
Richard Postma
Wyoming Geological Association
..., the velocity model is adjusted, and the line is re-migrated. This process is repeated until CMP gathers for the shallow reflector are flat. Diagnostic...
2001
Seismic Modeling and Expression of Common Fold-Thrust Belt Structures; #42266 (2018)
Jianjun Li, Shankar Mitra
Search and Discovery.com
... program. The shot gathers and wave propagation files are saved and ready for processing and further analysis. All the velocity models are sharing...
2018
Seismic Processing Strategies in the Deep Water Kutai Basin Gendalo Hub Pre-Stack Depth Migration
Xiuyuan Li, Harmit Singh, Joe Zhou, Graham Hodgkiss, Neil Young, Helmut Hsiao
Indonesian Petroleum Association
... approach was taken. This consisted of three major steps: initial model building; iterative residual curvature velocity analysis (RCA) and tomography update...
2011
High frequency refraction/reflection full-waveform inversion case study from North West Shelf offshore Australia
David Dickinson, Fabio Mancini, Xiang Li, Kai Zhao
Petroleum Exploration Society of Australia (PESA)
... 6), captures major velocity variations conforming to geology (Figure 3), and overall the corresponding migration gathers are fairly flat. Although...
2018
AVO Attributes for Successful Exploration and Field Development: A Case Study From Sarawak Basin, Offshore Malaysia
Norbert Van de Coevering, Rusdinadar Sigit, Reza Lasman
Indonesian Petroleum Association
... was carried out for a small number of wells. Using the results to predict hydrocarbon occurrences using real seismic gathers is somewhat challenging...
2005
Using Multi-Azimuth Walkaway VSP Data to Image a Tight Gas Bearing Permo-Carboniferous Glaciogenic Reservoir
Search and Discovery.com
N/A
Imaging Solutions for Geophysical Challenges in South East Asia (Paper A13)
N. El Kady, Z. Mohd Dom, Y. Prasetyo, M. Bayly, G. Nyein, P. Vasilyev, N. Mat Don Ya
Geological Society of Malaysia (GSM)
... are: • Build as accurate velocity model as possible using conventional “global” reflection tomography approach. • Interpret major fault planes...
2012
High-Resolution Anisotropic Earth Model Building on Conventional Seismic Data Using Full-Waveform Inversion: an Offshore Australia Case Study
Bee Jik Lim, Denes Vigh, Stephen Alwon, Saeeda Hydal, Martin Bayly, Chris Manuel, Dimitri Chagalov, Gary Hampson, Dimitri Bevc
Indonesian Petroleum Association
... to using FWI is the need for low frequencies to be present in the seismic data, or, the initial starting velocity model must contain the correct low...
2014
Abstract: Data Evaluation in AVO Analysis, by Yang Zhili; Fan Guozhang; Lv Fuliang; Wang Bin; Yang Taotao; #90163 (2013)
Search and Discovery.com
2013
Abstracts: Determining Elastic Constants of an Orthorhombic Material by Physical Seismic Modeling; #90173 (2015)
Faranak Mahmoudian, Gary F. Margrave, P. F. Daley, and Joe Wong
Search and Discovery.com
... of Calgary [email protected] and Gary F. Margrave, P. F. Daley, and Joe Wong Summary Analysis of group velocity measurements taken from a model made...
2015
Abstract: Low-frequency vibroseis acquisition experiment in Saudi Arabia; #90254 (2016)
Nabil Khadiri Yazami, Van C. Do, Waleed N. Omar, Thierry L. Tonellot
Search and Discovery.com
... specifically for full waveform inversion. Excellent quality low frequencies were acquired using 10 vibrators per shot point, and sweeping for 24...
2016
Integrating Seismic Imaging and Inversion
Francisco Bolivar, Richard Cooper, Lucy MacGregor, Jacqueline O’Connor, Jeff Codd, David Kessler
GEO ExPro Magazine
... and reduction in turn-around time as duplication of steps is avoided. Using PSTM Gathers in Inversion Today depth imaging is at the core of seismic data...
2017
AVO Response for Gas Sands of the Monserrate Formation, Upper Magdalena Valley of Colombia
C.J. Dueñas, M. G. de Freitas, A. Mantilla
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... step consists of well log-based AVO modeling using the Greenberg & Castagna equation to model the shear wave velocity (Vs) from P-wave logs; Gassmann...
2006
Abstract: Improving the Statics Solution through De-migration: A Canadian Foothills A-PSDM Case History; #90172 (2014)
Jiwu Lin, Sylvestre Charles, Josef Heim
Search and Discovery.com
... building iterations using the new statics solution. The additional iterations benefited from the improved signal to noise ratio on the Common Image Point...
2014