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The AAPG/Datapages Combined Publications Database
Showing 19,404 Results. Searched 200,693 documents.
Seismic Foldout: FWI Imaging Under Complex Geological Anomalies
Adriana Citlali Ramirez, Simon Baldock, Stuart Fairhead, TGS
GEO ExPro Magazine
... to address the the shallow turbiditic setting that generates signal absorption and scattering, diminishing the image resolution and amplitude continuity...
2023
Anisotropic Pre-Stack Depth Migration in the Cusiana and Cupiagua Sur Fields
J. Checa, M. Mesa, N. Burke, J. Calderon, H. Alfonso, U. Egozi, B. Ver West, M. Yates
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... to the simple initial RMS velocity field. Using this velocity field as an input, common image gathers were generated, and the flatness of the gathers was used...
2006
Seismic Imaging and Interpretive Model Building in the Colombian Andes
Rob Vestrum
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
.... With low fold in the near surface, a low signal-to-noise ratio on the image gathers, and complex horizon geometries, automated velocity-model-building...
2006
Automated velocity modeling with domain transformations
Kevin Gullikson, Arnab Dhara, Ram Tuvi, Mrinal K. Sen
International Meeting for Applied Geoscience and Energy (IMAGE)
...-net architecture to directly transform from shot gathers to a velocity image. A U-net is an encoder-decoder architecture in which the encoder makes...
2024
Rock Physics Guided Velocity Modeling and Reverse-Time Migration for Pore Pressure Prediction and Depth Imaging in Complex Areas
Nader C. Duta, Sherman Yang, Yangjun (Kevin) Liu, Lawrence Cho, Jie Cui
Indonesian Petroleum Association
... a velocity model that not only flattens the CIP gathers but also limits the velocity field to its physically and geologically plausible ranges...
2015
Stacking common-image gathers via the flatten-illumination-similarity method
Chengliang Wu, Huazhong Wang, Bo Feng, Chao Ning, Xianggong Tang
International Meeting for Applied Geoscience and Energy (IMAGE)
...Stacking common-image gathers via the flatten-illumination-similarity method Chengliang Wu, Huazhong Wang, Bo Feng, Chao Ning, Xianggong Tang...
2023
EXTENDED ABSTRACT: Resolving Complex Salt Geometry: Iterative Salt Imaging and Interpretation
Gabriel Ritter, Kenneth Waddell
GCAGS Transactions
... gathers (Huang et al., 2010). TTI anisotropic model building has greatly improved the suprasalt sediment velocity model and RTM 3D angle gathers have...
2011
Converted Waves Seismic Imaging : Importance of Gamma Estimation (Paper P4)
A. G. Mohd Adnan, A. R. Ghazali
Geological Society of Malaysia (GSM)
... migrate the data using Kirchhoff pre-stack time migration and check the degree of flatness of the common image gathers (CIG) after pre-stack time...
2012
Anisotropic Multi-Azimuthal Velocity Model Building and Depth Imaging on Tulip 3D Coil Shooting Survey
Michele Buia, Suyang Chen, Olga Zdraveva, Swee Leng Ng, Martin Bayly, Michelle Tham
Indonesian Petroleum Association
... technique for fast and efficient common image point (CIP) gather production for the model building loops (Nichols, 2006). These gathers were...
2011
Eye-Openers from Re-Processing of Oil Sands Seismic Data; #41290 (2014)
David Gray, Seann Day, and Scott Shapper
Search and Discovery.com
... the seismic gathers at these wide angles. Wide-angle noise such as multiples, converted-waves, refractions, and first-break reverberations must also...
2014
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)
... well image logs with various seismic anisotropy attributes obtained from azimuthal data. The workflow applied encompassed five main processes, where...
2023
Image of Brazos River mouth and environs.
Search and Discovery.com
N/A
Land seismic multi-parameter FWI imaging
Mason Phillips, James McLeman, Vlada Avramovic, Tom Rayment, Stuart Schmitt, Mike Varner, Yasser Khalifeh, Ahmad Ammar Chahine, Eskil Jersing
International Meeting for Applied Geoscience and Energy (IMAGE)
...) imaging uses minimally processed field data to simultaneously estimate a subsurface velocity model and a high-resolution reflectivity image using the full...
2024
Improving the image below complex overburden geology with FWI and Q-tomography: A case study at Etame license area, offshore Gabon
Richard Huang, Chong Chung, Benjamin Cole, Ivan Berranger, Ika Novianti, Paul Ware
International Meeting for Applied Geoscience and Energy (IMAGE)
... gather flatness. (a) and (c) are the Kirchhoff image and gathers, respectively, prior to RFWI. (b) and (d) are their counterpart after RFWI. general...
2022
High Resolution Seismic Data Derived From Prestack Inversion and Machine Learning to Accurately Position Horizontal Wells in the Midland Basin, Texas
Robert Meek, Buzz Davis, Hector Bello
Unconventional Resources Technology Conference (URTEC)
... on most of Pioneer’s 3D surveys. Ideally the migrated seismic gathers will be flat and conditioned. Careful QC analysis is important in processing...
2017
Interpolation Using Higher Dimensions: A Case Study ON KE2 Three-Dimensional Transition Zone Seismic Survey, Madura Field, Indonesia
Cecep Sutisna, Frans Langitan, Vishal Kumar, Keat Huat Teng, Pongga Wardaya
Indonesian Petroleum Association
..., INDONESIA Cecep Sutisna* Frans Langitan* Vishal Kumar** Keat Huat Teng** Pongga Wardaya** techniques can produce a better seismic image than vintage...
2015
ABSTRACT: Seismic High-Resolution and Velocity Surveys at Southern Appalachian Drill Site, by Robert A. Phinney, John B. Diebold, and Kabir Roy Chowdhury; #91043 (2011)
Search and Discovery.com
2011
ABSTRACT: Interpretation of Continuous-Offset Seismic Data in Central California Margin, by Nathaniel E. Putzig and Alan R. Levander; #91035 (2010)
Search and Discovery.com
2010
Abstract: Nonlinear Inverse Problems: Depth Imaging Challenges, by Sunjay S. Sunjay; #90081 (2008)
Search and Discovery.com
2008
Abstract: Revisiting a Salt Stock Family of the North German Basin by Applying Seismic CRS-Processing, by H-J. Brink, D. Gajeswki, M. Baykulov, and M-K. Yoon; #90091 (2009)
Search and Discovery.com
2009
Abstract: Compressive Sampling Techniques: A Methodology for Sub-ice Data Acquisition, by Ian Hanlon; #90177 (2013)
Search and Discovery.com
2013
A New Approach to Imaging and Pore Pressure Analysis in Depth Domain in Complex Geologic Areas: Use of Rock Physics Constrained Velocity Modeling and Reverse-Time Migration
Search and Discovery.com
N/A
Reprocessing 3D seismic data for prestack inversion and attribute interpretation, Fort Worth Basin, Jean, Texas
Search and Discovery.com
N/A
High Resolution Azimuthal Diffraction Imaging of Natural Fracture Zones in Unconventional Shales
Search and Discovery.com
N/A
Optimizing Subsurface Predictions With Limited Capital Investment
Search and Discovery.com
N/A