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The AAPG/Datapages Combined Publications Database
Showing 19,411 Results. Searched 200,619 documents.
Unraveling US GoM North Green Canyon subsalt complexities with sparse nodes
Katarina Jonke, Jingqian Kang, Sandra Garzon, Gino Alexander, Ganyuan Xia, Gabriel Ritter, Ahmed Afifi
International Meeting for Applied Geoscience and Energy (IMAGE)
...). bp has utilized XOBN and fast model building turnaround from FWI to obtain a significant subsalt image uplift in the North Green Canyon area. While...
2024
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Simultaneous Joint Inversion of Electromagnetic, Gravity and Seismic Data for Thrust Belt and Sub-Basalt Imaging
Virgilio Massimo, Stephen Hallinan, Marco Mantovani
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... as diving waves (pre-migration step) and common image gathers (post-migration step) using standard Kirchhoff migration pre stack algorithm. Figure 4 shows...
2009
Clari-Fi: Broadband Data from Conventional Streamer Acquisition
Nic Woodburn, Tom Travis, Hassan Masoomzadeh, TGS
GEO ExPro Magazine
...entional streamer acquisition and v so enables reprocessing of legacy data. Furthermore, since Clari-Fi is an amplitude preserving pre-stack process, gathers...
2012
New geological insights gained from the reprocessing, imaging, and interpretation of legacy seismic datasetsOffshore Mauritania
Kranthi Garidepalli, Elisabeth Gillbard, Simon Dean, Darren Judd, Nassim Kettouche, Paul Bellingham
International Meeting for Applied Geoscience and Energy (IMAGE)
.... This was achieved by first focusing attention on effectively attenuating noise on the prestack gathers and then addressing the source and receiver side...
2022
Gippsland Basin, Australia: New Data Reveals Further Potential in a Mature Basin
Jarrad Grahame, Keat Huat Teng, Iain Burnie, CGG
GEO ExPro Magazine
... with CGG’s latest proprietary imaging technology, including 3D joint designature, P-Z deghosting and Time-Lag FWI, to enhance image quality for optimum...
2021
Forward Modeling of Seismic Data: Part 7. Geophysical Methods
George Mellman, Paul A. Kunzinger
AAPG Special Volumes
... incidence ray tracing), while the second represents a synthetic migrated section (created using image ray tracing). The objective of modeling...
1992
5-D Interpolation Compensates for Poor Sampling, by Daniel Trad; #41504 (2014).
Search and Discovery.com
2014
Imaging and fold comparison of mirror reverse time migration vs. interferometric imaging for VSP data
Liwei Cheng, James Simmons, Ali Tura
International Meeting for Applied Geoscience and Energy (IMAGE)
... produces the best image with greater illumination. On the other hand, the image obtained from seismic interferometry is less sensitive to velocity errors...
2022
Uncertainty analysis of full-waveform velocity inversion
Kai Yao, Han Yin, Lian Duan, Yu Zhang, Feng Chen, Huili He, Mourad Khdhaouria, Lamia Rouis
International Meeting for Applied Geoscience and Energy (IMAGE)
... this problem is the uncertainty analysis of the model update or the gradient in FWI. We address this concern using delay-time common image gathers (DTCIGs...
2024
Abstract: Efficency and Accuracy Enhancement for One-way Wave Equation Migration Through Improved Mapping Function in the Time-shift Imaging Condition; #90171 (2013)
Mark Ng
Search and Discovery.com
...’ imaging condition (Ng, 2007) by providing a more accurate estimate of the infilled image in between relatively coarsely sampled wavefield...
2013
Application of Anisotropic 3D Reverse Time Migration to Complex North Sea Imaging; #41573 (2015)
M. A. Hall, I. F. Jones, M. C. Goodwin, I. D. Berranger, H. Zhou, P. A. Farmer
Search and Discovery.com
... environments, where both steep dips and multipathing are an issue. Standard shot-based one-way WE preSDM techniques image the subsurface by extrapolating...
2015
Exploring the Norwegian Atlantic Margins: Møre and Vøring Basins
Bent Kjølhamar, Jan Langhammer, Nick Woodburn, Reidun Myklebust, Simon Baldock, TGS
GEO ExPro Magazine
..., whilst also preserving lower seismic frequencies to image below the volcanic facies and the deeper Jurassic Figure 5: Example CMP gathers from...
2018
Extended Abstract: What is Wave Equation Pre-stack Depth Migration? An Overview
Andrew Long
Petroleum Exploration Society of Australia (PESA)
... stability whilst pursuing maximum speed when performing the migration. Migration can easi ly throw out junk (artifacts), contaminating the final image...
2004
Abstract: Trace Interpolation and Elevation Statics by Conjugate Gradients; #90172 (2014)
Marcus Wilson, Robert J. Ferguson
Search and Discovery.com
... shot gathers for topography and receiver statics, downward propagate the receiver wavefield through a heterogeneous near surface to a flat datum...
2014