Welcome to the new Datapages Archives
Datapages has redesigned the Archives with new features. You can search from the home page or browse content from over 40 publishers and societies. Non-subscribers may now view abstracts on all items before purchasing full text. Please continue to send us your feedback at emailaddress.
AAPG Members: Your membership includes full access to the online archive of the AAPG Bulletin. Please login at Members Only. Access to full text from other collections requires a subscription or pay-per-view document purchase.
Welcome to the new Datapages Archives
Search Results > New Search > Revise Search
The AAPG/Datapages Combined Publications Database
Showing 16,560 Results. Searched 195,372 documents.
Geological Input Valuable in Seismic Velocity Analysis, by Supratik Sarkar; #41118 (2013).
Search and Discovery.com
2013
An Interpreter's Guide to Improvements in Depth Imaging through Model-Based Velocity Estimation and Refinement
Andy Furniss
Petroleum Exploration Society of Australia (PESA)
... Refinement The quality of a velocity model used for PSDM can be assessed by analysing the output common reflection point (CRP) gathers. For a given CRP...
1999
Abstracts: Converted Wave Processing in the EOM Domain; #90173 (2015)
Thais A. Guirigay and John B. Bancroft
Search and Discovery.com
... and common scatter points (CSP). During the process, a converted wave velocity Vc was estimated from the hyperbolic moveout on CSP gathers. Moveout (MO...
2015
An Interpreter's Guide to Improvements in Depth Imaging Through Model-Based Velocity Estimation and Refinement
Andy Furniss
Indonesian Petroleum Association
... domain. Velocity Model Refinement The quality of a velocity model used for PSDM can be assessed by analysing the output common reflection point (CRP...
2000
ABSTRACT: Reverse Time Migration Using CRS Shot Gathers
Alfredo Caballero, Rodolfo Ballesteros, Eliakim Schuenemann, Ekkehard Tessmer, Humberto Salazar
GCAGS Transactions
...) technique was previously used for an enhancement of seismic prestack data, providing so-called CRS gathers with regularized common mid-point CMP and offset...
2011
Beam Migration for Imaging of Complex Structures
Karl Schleicher, John Sherwood, Lynn Comeaux, Mazin Farouki
Indonesian Petroleum Association
... are then iterated until a satisfactory velocity model is developed for which the common reflection point depth gathers are adequately flat. The final...
2009
Abstract: Maximize the Potential of Seismic Data in Shale Exploration and Production Examples from the Barnett Shale and the Eagle Ford Shale; #90187 (2014)
Joanne Wang and Duane Dopkin
Search and Discovery.com
... orientation through anisotropic velocity analysis and azimuthal AVO technique. Geomechanical property generation requires input of reflection angle data...
2014
Chapter 10-part 3: 3-D Depth Image Interpretation
William L. Abriel, Joseph P. Stefani, Robert D. Shank, David C. Bartel
AAPG Special Volumes
...). This allows subsurface reflection points (common reflection point: CRP) to add together when the earth velocity can be approximated by flat layers. However...
2011
Investigation of DMO Algorithms during Test-Line Processing: Some Recommendations
Ng Tong San, Mohd. Hashim Abas, Leong Lap Sau
Geological Society of Malaysia (GSM)
... with dipping reflectors. Recapitulating, DMO can now be defined as a process that creates apparent common-reflection point gathers from common-midpoint...
1996
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
Abstract: A Comparison of 3D Azimuth-Angle Domain Common Image Gathers using Poynting Vector and Optical Flow Methods; #90254 (2016)
Young Seo Kim, Constantine Tsingas
Search and Discovery.com
...Abstract: A Comparison of 3D Azimuth-Angle Domain Common Image Gathers using Poynting Vector and Optical Flow Methods; #90254 (2016) Young Seo Kim...
2016
Forward Modeling to Improve Seismic Acquisition Design
Paula A.C. Barbosa, Jose A. Jaramillo, Jose H. Olaya
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... of section A: Common Depth Point (CDP), Common Reflection Point (CRP), incidence angle, reflection amplitude, geometrical spreading factor and shot...
2006
Abstract: Method for Analysis and Display of Elastic Synthetic Shot Gathers, by K. H. Wrolstad, F. Aminzadeh, and C. K. von Kahrs; #90992 (1993).
Search and Discovery.com
1993
Abstract: Accurate Conversion between Offset Image Gathers and Angle Image Gathers, by Jianming Sheng and Chengbin Peng; #90105 (2010)
Search and Discovery.com
2010
Shale Gas OVT Seismic Data Prestack Trace-Gather Optimization Technique
Yusheng Zhang, Gang Yu, Xing Liang, Benjing Liu, Guangming Hu
Unconventional Resources Technology Conference (URTEC)
... gathers. The common reflection point (CRP) gathers obtained from conventional azimuth processing will dim the real seismic response while seismic wave...
2015
Velocity Analyses of Near Seafloor Strata Based on Multichannel Seismic Data from the Tonga Platform
Jeffrey E. Cole, Dennis M. Mann
Circum Pacific Council Publications
... for the correct stacking of common-depth-point (CDP) data and the production of true-depth sections. The seismic reflection data from the Tonga platform suggested...
1985
Geoscience Integration and Interpretive Model Building to Overcome Seismic Imaging Problems in Foothills Environments; #41547 (2015)
Rob Vestrum
Search and Discovery.com
... gathers, we may use this display to quickly refine the velocity picks at a control point. Where we have low pre-stack signal, the image gathers...
2015
Wave equation traveltime Kirchhoff with real data applications
Hu Jin, Vladimir Bashkardin, Petr Jilek, Chandan Kumar, Han Liu, John Etgen, Madhav Vyas, Ganyuan Xia
International Meeting for Applied Geoscience and Energy (IMAGE)
... high-resolution models. However, migration gathers are still needed for verifying the quality of the velocity model and for performing post-migration...
2023
Long Offset AVO in a Midcontinent Tight Gas Sand Reservoir
Pankhurst, Duane, Marfurt, Kurt, Sullivan, Charlotte
GCAGS Transactions
... the objective depth, providing an opportunity to evaluate prestack common reflection point (CRP) gathers at very long offsets. On stacked sections...
2002
Simultaneous inversion of velocity and angle-dependent reflectivity
Nizar Chemingui, Yang Yang, Jaime Ramos-Martinez, Guanghui Huang, Dan Whitmore, Sean Crawley, Elena Klochikhina, Sriram Arasanipalai
International Meeting for Applied Geoscience and Energy (IMAGE)
... is crucial for AVA analysis. In our work, we expand on Yang et al.'s (2022) simultaneous inversion workflow, which updates velocity and stacked 3D...
2023
Full-waveform inversion derived prestack reflectivity gathers
Jian Mao, Xin Cheng, Denes Vigh, James Xu, Qiaofeng Wu
International Meeting for Applied Geoscience and Energy (IMAGE)
... is extracted from the model. Using the pre-stack FWI pseudo-reflectivity gathers, we can then perform AVA/AVO analysis. Furthermore, some postprocessing can...
2023
High-resolution angle gather tomography with Fourier neural operators
Sean Crawley, Guanghui Huang, Ramzi Djebbi, Jaime Ramos, Nizar Chemingui
International Meeting for Applied Geoscience and Energy (IMAGE)
... entirely. Then migrated the synthetic surveys using the resulting incorrect velocity models, producing gathers. We then trained an FNO-based network...
2023
Abstract: Improved Imaging of a Fold and Thrust Belt Regime, Onshore Trinidad, by Means of the Common Reflection Surface (CRS) Method; #90238 (2015)
Dennis Otto, Philip Schlueter, Terrell Dhanpaul, Samuel Ragbir, Curtis Archie, and Nancy Gallai-Ragobar
Search and Discovery.com
... gathers were calculated and inputted into another iteration of stacking velocity analysis. Thus, the velocity analysis could benefit from the improved...
2015
ABSTRACT: Velocity Inversion Using Geological Constraints, by Jos Van Trier; #91035 (2010)
Search and Discovery.com
2010
Velocity and Velocity
M. Al-Chalabi
Petroleum Exploration Society of Australia (PESA)
... to a common reflection point (e.g. Deregowski, 1990). The factors listed below are among the main factors that cause the parameter, treated in PreSDM...
2000