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 17,696 Results. Searched 200,357 documents.
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
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
ABSTRACT: Velocity Inversion Using Geological Constraints, by Jos Van Trier; #91035 (2010)
Search and Discovery.com
2010
Wavefield Extrapolation for Prestack Time Migration with RMS Velocity: Part I Algorithm
Jianhua Pan
Search and Discovery.com
... to convert rms velocity to interval velocity by using Dix’s equation. Time migration can be viewed as a valid imaging process but its imaging...
Unknown
Wavefield Extrapolation for Prestack Time Migration with RMS Velocity: Part I Algorithm
Jianhua Pan
Search and Discovery.com
... to convert rms velocity to interval velocity by using Dix’s equation. Time migration can be viewed as a valid imaging process but its imaging...
Unknown
Seismic Imaging through Outcropping Carbonates: An Example from the Canadian Rocky Mountains, , #41533 (2015).
Yong Hua, Don C. Lawton
Search and Discovery.com
... picked using semblance analysis and constant velocity stack scans. The velocities were then used to create NMO-corrected gathers. A manually picked...
2015
Abstract: Seismic Imaging of Imbricate Structures in Mountainous Area: Case Studies; #90211 (2015)
Nanxun Dai, Oz Yilmaz, Weizhong Wang, and Jie Zhang
Search and Discovery.com
... migrate the shot gathers using the rms velocity field derived from the interpretation of the velocity cube based on the selected near-surface strategy...
2015
Integrated 3D Seismic Data Modeling and Processing Methodology for Structural Model Analysis: Case Study
T. Salinas
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... with reflection from either side of the seismic profile (Figure 6). The distance between the common reflection point (CRP) and CMP shown in Figure 7 has...
2006
Seismic Velocity Model Building in an Area of Complex Geology, Southern Alberta, Canada
Helen Isaac and Don Lawton
Search and Discovery.com
... field derived from velocity analysis of common reflection point gathers in the time domain. I know that there should be high velocities above...
2009
Wide-angle AVO-inversion using constant P-traces: AVP-inversion
Dennis Cooke
International Meeting for Applied Geoscience and Energy (IMAGE)
... where a high-quality imaging velocity comes from FWI. For time or depth migrations, is possible to avoid the above high-angle data error by not using...
2022
Abstract: Velocity Updating for Converted-Wave Prestack Time Migration; #90211 (2015)
Xiaogui Miao
Search and Discovery.com
...) proposed to create hyperbolic moveout migrated common midpoint (HMO-MCMP) gathers and carry out hyperbolic velocity analysis on these gathers. Because...
2015
Imaging of the Guando Field Colombia in Time and Depth
M.A. Hall, V. Avramovic, J.T. Basick, I. Novianti, D.T. Maucione, P.Kroshko, J.C. Garzon
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... a starting model. The data was migrated with this velocity field and migrated Common Reflection Point (CRP) gathers were output in preparation for the next...
2003
3D velocity model building based upon hybrid neural network
Herurisa Rusmanugroho, Junxiao Li, M. Daniel Davis Muhammed, Jian Sun
International Meeting for Applied Geoscience and Energy (IMAGE)
... deep neural network (DNN). Instead of using raw shot gathers, the semblance feature extracted from the common-midpoint (CMP) gathers is used...
2022
Identification of Hydrocarbon Reservoirs from Seismic Gathers AVO Analysis in the Offshore Niger Delta, by A. Adekanle; #90037 (2005)
Search and Discovery.com
2005
Enhanced ray-based tomography method
Jonathan Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
... (shown in Figure 1). The initial velocity model (shown in Figure 2) is built by using the NMO velocity analysis at the two midpoints (3000m and 6000m...
2024
Reservoir Characterisation Through Integrated AVO, AI and EI Inversion
Andy Furniss
Indonesian Petroleum Association
... must be applied to prestack time or depth migrated gathers such that each trace in an ensemble comes from a common-reflection-point (CRP...
2002
Try Before You Buy!
Lars Zühlsdorff, Trond Haugland
GEO ExPro Magazine
... and common reflection point (indicating required migration aperture) and the relationship between offset, incident angle, and azimuth (indicating...
2020
Improving fault resolution from multiple angle stacks by latent feature analysis with deep learning
Fan Jiang, Konstantin Osypov
International Meeting for Applied Geoscience and Energy (IMAGE)
... at a specific incident angle in order to gain a better understanding of subsurface structure. Stacking the data from moveout corrected common reflection point...
2024
Abstract: Subsalt Velocity Estimation Using Wave-Equation Tomography with Surface Offset Gathers; #90319 (2018)
Yujin Liu, Yan Wu, Xiongwen Wang, Tong W. Fei, Yi Luo
Search and Discovery.com
...Abstract: Subsalt Velocity Estimation Using Wave-Equation Tomography with Surface Offset Gathers; #90319 (2018) Yujin Liu, Yan Wu, Xiongwen Wang...
2018
U-net based primary alignment
Ricard Durall, Ammar Ghanim, Norman Ettrich
International Meeting for Applied Geoscience and Energy (IMAGE)
... are randomly sampled to introduce variability. The resulting prestack gathers undergo move-out correction using a perturbed velocity model, introducing NMO...
2023
Abstract: Target-Oriented Imaging for Continous Seismic Reservoir Monitoring; #90319 (2018)
Hongwei Liu, Mustafa Al-Ali
Search and Discovery.com
... data recorded using surface receivers generally fails to explain how energy propagates in the complex subsurface unless highresolution seismic velocity...
2018
A Time Migration Before Stack
Richard Cooper, Malcolm Hobson
Geological Society of Malaysia (GSM)
.... The multi-valued velocity-time picks associated with dispersed reflection energy are effectively removed on the prestack migrated gathers. The velocity...
1991
Abstract: Azimuthal Processing For Unconventional Resource Plays Using An Orthorhombic Velocity Model; #90174 (2014)
Shaowu Wang and David Wilkinson
Search and Discovery.com
... velocity parameters are estimated simultaneously. The input is either Common Offset Vector (COV) or azimuth-sectored isotropic pre-stack migrated gathers...
2014
Abstract: Automatic High-Density Constrained Velocity Picking; #90211 (2015)
Emil Blias
Search and Discovery.com
... Heading? Calgary, AB, Canada, May 15-18, 2006 Conventional velocity analysis works in two steps: (i) We scan CDP gathers with a coherence measure...
2015