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The AAPG/Datapages Combined Publications Database
Showing 515 Results. Searched 190,739 documents.
TTI Wave Equation Migration by Phase-Shift Plus Interpolation
Richard A. Bale
Search and Discovery.com
.... To realize this goal, typically Kirchhoff algorithms have been upgraded to handle TTI. As for isotropic migration, superior results for significantly...
Unknown
2011
Exploring the “undeformed� Bengal Fan and what lies below in the deepwater Rakhine Basin
Search and Discovery.com
N/A
Image - Rays and the Treatment of Inhomogeneity in Migration
L. Hatton
Southeast Asia Petroleum Exploration Society (SEAPEX)
.... A schematic of a Kirchhoff-summation time migration of the depth section of Figure 4 using the correct velocities. Note that the diffraction pattern...
1980
Mitigation of the 3D Cross-Line Acquisition Footprint Using Separated Wavefield Imaging of Dual-Sensor Streamer Seismic Data A First Example from Malaysia
Mazin Farouki, Andrew Long, Richard Jones, Yee Ah Chim, Magdalene Tang, Hui LeGleut, Shaoping Lu, Dan Whitmore, Adam Betteridge
Indonesian Petroleum Association
... only and the illumination of surface multiples only. A final Kirchhoff pre-stack time migration (PSTM) volume was already available, so the depth imaged...
2013
High-Resolution Model Building in a Full-Azimuth Nodal Survey in the GOM
Sandip Chattopadhyay, Gary Rodriguez, Tefera Eshete, Guy Hilburn, TGS
GEO ExPro Magazine
.... An isotropic Kirchhoff prestack depth migration was run using the resulting VZ model. Since the model Initial Anisotropic Model Building matched...
2016
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
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
The Qualitative Assessment of Fractured Basement Reservoir Potential in Pletmos Basin, Republic of South Africa; #11188 (2019)
Bhekithemba M. Msezane, Antonio Ravaglia, Peter Dekker
Search and Discovery.com
... interpreted using 2000 3D Kirchhoff Pre-Stack Time Migration. • Top of Basement is seismically characterized by strong peak (i.e. Increase in Acoustic...
2019
Reveal The Velocity Anomalies in Complex Overburden and Enhanced The Imaging through Shallow Gas: A Case Study in SisiNubi Mahakam, Indonesia
Annas Astuti, Yohanes Kristomo, Bee Jik Lim, Ginanjar Satria, Natalia Anggriani
Indonesian Petroleum Association
... and reimaging the existing legacy data with Q prestack Kirchhoff depth migration performed in 2011 and 2014 did not accurately model the sharp velocity...
2019
Efficient Migration, #40816 (2011)
Yazil Abbas,
Search and Discovery.com
... (in various forms) – a huge capital investment. Migration run times are typically 2000-9000 msec/trace. A 3D Kirchhoff PSTM for 1000 sq kms could take...
2011
Abstract: 3D Localized Prestack Depth Migration from Workstations, by Xiaomin Zhao, Jianming Sheng, Ying Hu, and Chengbin Peng; #90105 (2010)
Search and Discovery.com
2010
The Use of Modern 3D Seismic Data Processing Techniques, 5D Interpolation, and Anisotropic PSTM to Improve Existing 3D Data in South Louisiana Data—Pulling the Scales from our Eyes; New Truth from Existing Datasets
John Asma, John Stevens, Sukhdev Hyare, Dave Spaulding
GCAGS Transactions
... Kirchhoff time migration not only highlighted the situation, but also provided a vehicle to correct for it. Figure 4 shows two pre-stack time migrated...
2013
Improve Subsalt Image with Wide Azimuth Data in the Gulf of Mexico, Lin, Dechun, #90100 (2009)
Search and Discovery.com
2009
Subsalt Seismic Imaging Advances in the Mexican Petroleum Provinces
Search and Discovery.com
N/A
Taking Advantage of RTM Surface Offset Gathers for Iterative Salt Modeling and Subsalt Reservoir Image Enhancement
Search and Discovery.com
N/A
The Magic of Depth Imaging in a Complex Geological Setting - A Case Study from Upper Indus Basin
Search and Discovery.com
N/A
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
... used as input to a Kirchhoff PreSTM and the improved S/N ratio was transferred into the prestack migrated domain. Again, the migration velocity...
2015
Abstract: Reservoir Surveillance Case Study for a Steam Flood Project in Kuwait; #90310 (2017)
Amal Al-Murtairi, Zu Biao Ren, John Tinnin, Antoine Paré
Search and Discovery.com
... efficiency and removing human error. Resulting data was processed and imaged with proprietary 3DVSP Kirchhoff depth migration algorithms. Due...
2017
Migration Velocity Analysis by Migration of Velocity Spectra
Craig J. Beasley, Rolf Klotz
Southeast Asia Petroleum Exploration Society (SEAPEX)
...., 1984, Dip moveout by Fourier transform: Geophysics, 49, 741–757. Kim, Y. C., and Gonzalez, R., 1991, Migration velocity analysis with the Kirchhoff...
1992
2D Seismic Lines Reprocessing Using Prestack Time Migration: Case Study of the Solimões Basin, by Ronan M. Avila and Leo R. Nascimento, #10231 (2010).
Search and Discovery.com
2010
Abstracts: Making New with Old: Reprocessing Vintage Seismic Data from the Western Arctic Islands using Modern Methods; #90173 (2015)
Mathieu J. Duchesne, Virginia I. Brake, and Tom Brent
Search and Discovery.com
... Kirchhoff time migration for hyperbola present at greater time depths (>3 secs) (Figure 1). Frequency content of the sections has been harmonized to limit...
2015
Migración Sísmica Anisótropa 3D en Tiempo y en Profundidad antes de Apilamiento por el Método de Kirchhoff en el Campo Soto Mapiri, Este de Venezuela. [PAPER IN SPANISH] 3D Anisotropic Seismic Migration Time and in Depth before Stacking by the Kirchhoff
A. A. Ortega, D. Sekulic, J. Crowther, C. Gordillo, Y. Lopez, M. Gomez
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
.... [PAPER IN SPANISH] 3D Anisotropic Seismic Migration Time and in Depth before Stacking by the Kirchhoff A. A. Ortega, D. Sekulic, J. Crowther, C...
2006
Abstracts: Fracture Analysis with Interpolation Before Prestack Migration; #90173 (2015)
Ye Zheng, Warren Upham, and Mark Ng
Search and Discovery.com
... to economic and environmental reasons, but migration algorithms require evenly sampled data. Kirchhoff migration can handle irregularly sampled data...
2015