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The AAPG/Datapages Combined Publications Database
Showing 17,714 Results. Searched 200,685 documents.
Abstract: Determining the Structure of Basalt Flows with Wide-Angle Seismic Data, by M. M. Fliedner, R. S. White, and J. Fruehn; #90923 (1999)
Search and Discovery.com
1999
Land FWI in the Sultanate of Oman: Challenges and advances on the road to high-resolution velocity
Mohammad Sheryar Farooqui, Yonghe Guo, Azza Al Hasni
International Meeting for Applied Geoscience and Energy (IMAGE)
... internal multiples and mode conversions are particularly challenging for velocity model building and imaging. Characterizing the shallow part...
2024
Monument Butte 3DReprocessing case study in Uinta Basin
Mitch Preston, Xinxiang Li, Seth Berman, Phillip Keith, Christopher Egger, Josef Heim, Nebojsa Pralica, David Brookes, James Beck
International Meeting for Applied Geoscience and Energy (IMAGE)
... intensity is defined as the ratio between the difference of the fast velocity over the slow velocity and the fast velocity in percentage. Examples...
2022
VSP: Lessons from Numerical Simulation
M. Suprajitno, S. A. Greenhalgh
Indonesian Petroleum Association
... on the second (deeper) reflection due to the velocity decrease in the basal layer. The form of the signal has been conserved. Surface multiples and internal...
1985
Using Multi-Azimuth Walkaway VSP Data to Image a Tight Gas Bearing Permo-Carboniferous Glaciogenic Reservoir
Search and Discovery.com
N/A
Seismic Processing Applications on a Personal Computer
Geophysical Service (Malaysia) Sdn. Bhd.
Geological Society of Malaysia (GSM)
..., a necessary part of the wavefield separation process. The downgoing primaries and multiples as well as the upgoing primaries and multiples can be clearly...
1989
An adaptive filter-based approach for the Marchenko multiples elimination scheme
Rodrigo S. Santos, Marcelo S. Souza, Daniel E. Revelo, Victor Koehne, Reynam C. Pestana, Diego F. Barrera, Laila D. L. Vergne, Jonathas Maciel
International Meeting for Applied Geoscience and Energy (IMAGE)
...-processing in the seismic data. Despite the success of the MME in eliminating internal multiples without velocity model information in this example...
2023
Abstract: Results from a Long Offset Experiment for Sub-Basalt Imaging, by J. Cowley, E. Jones, H. Jakubowicz, G. Williams, and R. Wombell; #90923 (1999)
Search and Discovery.com
1999
Image Enhancement Below the pre
Search and Discovery.com
N/A
Pitfalls in Seismic Interpretation
Paul M. Tucker, Howard J. Yorston
Pacific Section of AAPG
... the refraction first kicks which will often show a coincidence between near-surface velocity anomalies and subsurface structure. But with CDP shooting...
1972
True-Azimuth 3D Surface-Related Multiple Elimination
Roald van Borselen, Rob Hegge, Peter Aaron, Simon Barnes, Andrew Long
Petroleum Exploration Society of Australia (PESA)
... Introduction in the data, multiples at the free-surface are The im plementat ion of the true-azimuth predicted via a convolution process of 3D ultiple...
2009
North Belut 3D Seismic Processing Experience: The First High-Resolution High-Density Q-Marine Survey Conducted in Indonesia
Andreas T. Waluyo, Michael I. Challis
Indonesian Petroleum Association
... as the primaries and with very little normal moveout (NMO) velocity difference. Too strong an application of demultiple processes could potentially destroy...
2008
Weighted stacking of up-and down-going RTM images using peak signal-to-noise ratio analysis
Sérgio Luiz E. F. da Silva, Ammir Karsou, Paulo H. B. Alves, Roger M. Moreira, Jorge Lopez, Marco Cetale
International Meeting for Applied Geoscience and Energy (IMAGE)
...-related multiples) wavefields. The local PSNR emphasizes areas of similarity between RTM images and indicates where the correlation is most pronounced...
2024
Tulip Field 3D Coil Shooting SurveyPreliminary Data Processing Results
Michele Buia, Riccardo Vercesi, Michelle Tham, Dmitry Nikolenko, Andreas Tyasbudi Waluyo, Swee Leng Ng
Indonesian Petroleum Association
... the subsurface geology between the water bottom and target horizons is complex with faulting, channeling, and occasional gas pockets. All these conditions...
2010
Abstract: 3-D Surface-wave estimation and separation using an iterative closed-loop approach; #90254 (2016)
Tomohide Ishiyama, Gerrit Blacquiere
Search and Discovery.com
... Delft University of Technology, Delft, NETHERLANDS ABSTRACT Surface waves in seismic data are often dominant and mask primaries in land or shallow...
2016
Abstract: Pitfalls in Seismic Exploration for Trenton/Black River Reservoirs in the Michigan Basin
Search and Discovery.com
N/A
Abstract: The Impact of Imperfect Velocity Models and Seismic Artifacts on Interpretation of Louann Salt and Basement Structure in the Deepwater Gulf of Mexico, by Steven M. Holdaway and Errol Blumenthal; #90124 (2011)
Search and Discovery.com
2011
Seismic Data Preconditioning for Improved Reservoir Characterization (Inversion and Fracture Analysis); #41347 (2014)
Darren Schmidt, Alicia Veronesi, Franck Delbecq, and Jeff Durand
Search and Discovery.com
... modeling at well locations is done. This may be full wave reflectivity modeling (in which primaries, converted waves and multiples are all modeled...
2014
Abstract: Challenges and Case Studies in Sub-Salt Imaging, by Rietveld, Walter; Poole, Alan J.; and Ray, Amal; #90166 (2013)
Search and Discovery.com
2013
Multiparameter FWI imaging in the Gulf of Mexico
Tom Rayment, Karen Dancer, James McLeman, James Penwarden, Tim Ooi, Monica Hartmann
International Meeting for Applied Geoscience and Energy (IMAGE)
... to seismic processing and imaging that uses the full wavefield to simultaneously determine a variety of earth parameters, including velocity...
2023
AAPG Memoir 76, Chapter 18: Velocity Estimation for Pore-Pressure Prediction
David W. Bell
AAPG Special Volumes
... is to invoke an empirical relationship between velocity and effective pressure. Effective pressure, P e, is the difference between the overburden...
2001
Integrated Approach to Overcome Marginal Field Challenges and Extend the Field Life
Hasrony Maridhona, Marwa Al Harthy, Aisha Mubarak Al-Badi, Anam Al Balushi
Indonesian Petroleum Association
... multiples in order to retrieve real geological structure masked by multiple. This method is useful because of the high dip difference between...
2019
High Frequency Full Waveform Inversion as an Interpretation Solution
Laurence Letki, Matt Lamont, Troy Thompson
Australian Petroleum Production & Exploration Association (APPEA) Journal
...), have therefore become a lot more practical. FWI uses the entire wavefield, including refractions and reflections, primaries and multiples, to generate...
2019
Improved subsalt imaging in the Eastern Mediterranean Sea with converted wave attenuation
Monica Hartmann, Jana Caskey, Benjamin Cole, James McLeman, Tom Rayment, Ares Ouzounis
International Meeting for Applied Geoscience and Energy (IMAGE)
... by the large impedance contrast between the sediments and the salt, obscuring true subsalt geology in the final P-wave image. In this paper, a converted wave...
2024
FWI imaging of complex subsalt Mesozoic targets from land to shallow waters
Timmy Dy, Minshen Wang, Sabaresan Mothi, Don Dobesh, Shengda Ding, Oscar Andrade, Pablo Ortega, Alfredo Vázquez Cantú, Silvino Domínguez García, Gerardo López Leyva
International Meeting for Applied Geoscience and Energy (IMAGE)
... (c) using the final TLFWI model (d), velocity model difference between final TLFWI model, and legacy model (f). The diving wave illumination (e...
2023