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The AAPG/Datapages Combined Publications Database
Showing 177 Results. Searched 194,578 documents.
Abstract: Pitfalls in Velocity Analysis Using Common-Offset Time Migration, by Y. C. Kim and J. R. Krebs; #90981 (1994).
Search and Discovery.com
1994
Hybrid COV Interpolation & Procesing: A Case Study on NW Tunu Transition Zone, Indonesia
Vishal Kumar, Doddy Biramandita, Wayne Zanussi, Jacques Bonnafe, Natalia Anggriani, M-Adam Cepi
Indonesian Petroleum Association
... offset interpolation and 5D common offset vectors (COV) interpolation. Combining them together may give best of both worlds in terms of data quality, data...
2016
EXTENDED ABSTRACT: Eigenimage analysis of common offset sections: Pre-stack data compression and S/N ratio enhancement
M. D. Sacchi, T. J. Ulrych, C. Magnuson
CSPG Special Publications
...EXTENDED ABSTRACT: Eigenimage analysis of common offset sections: Pre-stack data compression and S/N ratio enhancement M. D. Sacchi, T. J. Ulrych, C...
1998
Abstract: Gaussian Beam De-Migration and Re-Migration, by Jianming Sheng and Chengbin Peng; #90105 (2010)
Search and Discovery.com
2010
Abstract: Fracture Detection in the Migrated Domain: Practical Aspects of Prestack Time Migration of Azimuthally-limited 3D Land Data Volumes; #90171 (2013)
Mike Perz, Juefu Wang, and Ye Zheng
Search and Discovery.com
... prestack migration: (i) azimuth sectoring; (ii) common offset vector gathering; and (iii) prestack interpolation. Introduction As the focus continues...
2013
Abstract: 5D Interpolation and COV Migration: An Ideal Marriage; #90174 (2014)
Mike J. Perz and Peter W. Cary
Search and Discovery.com
... configuration gives rise to an ideal input data volume for common offset-and-azimuth Kirchhoff prestack migration, we assert that interpolation onto this COV...
2014
Abstract: Accurate Conversion between Offset Image Gathers and Angle Image Gathers, by Jianming Sheng and Chengbin Peng; #90105 (2010)
Search and Discovery.com
2010
The Application of Image Processing Techniques for Complex Structures
V. Sudhakar, I. T. McMahon
Indonesian Petroleum Association
..., high-fold data is usually decimated before migration. An altenate, less efficient implemention is to apply DMO first followed by common offset migration...
1987
Abstract: Wave Equation Depth Migration with Image Gathers in Offset Domain; #90211 (2015)
Jianhua Pan
Search and Discovery.com
... Ehinger, A., Lailly, P., and Marfurt, K. J., 1996, Green’s function implementation of common-offset wave-equation migration: Geophysics, 61, 1813-1821...
2015
Abstract: Prestack Signal Enhancement by Non-hyperbolic MultiFocusing; #90187 (2014)
Evgeny Landa, Alex Berkovitch, and Kostya Deev
Search and Discovery.com
... model building etc. We propose to employ the MultiFocusing idea to achieve this goal. A local common offset MultiFocusing approximation...
2014
Abstract: Migration Velocity Analysis of Incomplete Data Using LSPSM CIGs; #90174 (2014)
Abdolnaser Yousefzadeh, John C. Bancroft, and Gary F. Margrave
Search and Discovery.com
... coherencies on common image gather (CIG)s is extended to the least squares prestack migration (LSPSM) CIGs. It is shown that when the data are incompletely...
2014
Abstracts: True-Amplitude PS Prestack Time Migration via 5D Interpolation; #90173 (2015)
Peter W. Cary, Albert Zhang
Search and Discovery.com
... of a converted-wave seismic trace, the regular processing flow of NMO plus DMO and poststack migration can have difficulty achieving an optimal image...
2015
Hybrid 3D Marine Towed-Streamers and Ocean-Bottom Nodes Survey - Challenges and Solutions for Seismic Data Processing and Imaging
Wai Leng Cheah, Wong Li Ming Joyce, Evonne Hooi Rong Yu, Artem Sazykin, Gavin Menzel-Jones
Indonesian Petroleum Association
... and produces 260-fold common midpoints (CMPs), while the streamer data (and corresponding common offset migration) produce 80-fold CMPs. This difference...
2019
Abstract: 2D Depth Velocity Analysis without Tomography; #90187 (2014)
J. Patrick Butler and Randy Kolesar
Search and Discovery.com
... of the reflector at the CDP. Even if CDPs are combined it is still a small data subset that can be repeatedly stacked, or common offset stacked...
2014
Complex Model Building using Objective Construction of Curve Ray Time Migration Moveout with Geologic Constraints, #41596 (2015).
Kerry Stinson, Shlomo Levy, Edward Crase, Wai-Kin Chan
Search and Discovery.com
...)). The efficacy of the derived imaging velocity is seen also from the common offset migration gathers (Figure 5) which are quite flat. A second run...
2015
Abstract: Multioffset Ground Penetrating Radar Lessons Learned for Improved Geological and Archaeological Imaging and Interpretation; #90211 (2015)
Brooke Berard and Jean-Michel Maillol
Search and Discovery.com
... as an analogue. Multioffset data offers numerous benefits over common offset data, such as improved depth penetration, increased signal-to-noise ratio...
2015
ABSTRACT: Azimuth Preservation in Pre-stack Time Migration Using Offset Vector Tiles, by Al-Najjar, Mohammed H.; Rowe, R. W.; #90141 (2012)
Search and Discovery.com
2012
Abstract: An Azimuthal-AVO-Compliant 3D Land Seismic Processing Flow; #90171 (2013)
David Gray, Darren Schmidt, Nirupama Nagarajappa, Charles Ursenbach, and Jon Downton
Search and Discovery.com
...., 2001). 2. Azimuthal spherical divergence correction (Xu and Tsvankin, 2006). 3. 5D interpolation (Trad et al., 2005). 4. Migration of Common Offset...
2013
A Time Migration Before Stack
Richard Cooper, Malcolm Hobson
Geological Society of Malaysia (GSM)
... for the MOVES sequence. Note that the DMO and migration are implemented in the common offset domain. In this way the operators are not being applied across...
1991
Wave Equation Shot Migration as a Ground Roll Filter.
Francisco Ortigosa, Pedro Muñoz
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
..., not noticeable when the level of Ground Roll Noise is lower. Wave Equation Shot Migration as a Ground Roll Filter Figure 5: Left. 2D Seismic data acquired...
2008
Seismic Imaging through Outcropping Carbonates: An Example from the Canadian Rocky Mountains, , #41533 (2015).
Yong Hua, Don C. Lawton
Search and Discovery.com
... the missing traces on the single common-offset gather before PSTM. Pre-stack Kirchhoff time migration was conducted on the common-offset domain by using...
2015
Abstract: Towards an Optimal Workflow for Azimuthal AVO; #90171 (2013)
David Gray and Shangxu Wang
Search and Discovery.com
... to estimates of Bani derived from migration of Common Offset Vectors (COVs), which seem to be a more natural way of maintaining azimuthal information through...
2013
Abstract: Improving the Image: 5D Interpolation and COV Gathering of a MegaBin Survey; #90171 (2013)
Darren P. Schmidt, David Gray, Xinxiang Li, Daniel Trad, and Jon Downton
Search and Discovery.com
... Basin (WCSB). Two technologies are examined here: 5D interpolation and pre-stack time migration (PreSTM) of Common Offset Vectors (COV’s). MegaBin surveys...
2013
Prestack Depth Imaging Within the Makassar Straits, Eastern Kalimantan, Indonesia
Chris Willacy, Suryadi Oemar, A. Edy Hermantoro, Paul Gilleran
Indonesian Petroleum Association
... common offset prestack depth migration is performed. The migration routine provides a stacked depth section for structural interpretation along with a set...
2000
ABSTRACT: TUTORIAL: IMAGING THROUGH SHALLOW GAS, DIVING WAVE
Brian Broussard, Luis Canales, Charles Carvill, Lee Lu, Juan Perdomo, Chung-Chi Shih, Sherman Yang, Peter Melville, Mehmet Tanis
Geological Society of Trinidad & Tobago
... on seismic shot and common-offset gathers, and maps of sail-line pick times and total-survey common-offset pick times to assure the quality of pick times. Pre...
2007