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The AAPG/Datapages Combined Publications Database
Showing 7,688 Results. Searched 195,364 documents.
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
... trajectories to form a general trend that can be associated with laterally invariant but vertically varying velocities within the near surface. We...
2015
Time Depth Conversion of a Prospect With Near-Surface Velocity Anomalies Using Stacking Velocites and PSDM Velocities: A Comparison
Tan Boon Hua, Lothar Schulte
Indonesian Petroleum Association
...Time Depth Conversion of a Prospect With Near-Surface Velocity Anomalies Using Stacking Velocites and PSDM Velocities: A Comparison Tan Boon Hua...
2011
Abstracts: Near-surface Velocity Model Building and Statics in Permafrost Regions; #90173 (2015)
Tianfei Zhu, Yan Yan, and Jon Downton
Search and Discovery.com
... land and water velocities. To carry out the reflection tomography, we placed this layer atop a smoothly varying velocity model and used...
2015
Geophysical investigation of mine waste in the King River Delta, Macquarie Harbour, Tasmania
Matthew J. Cracknell, Sibele C. Nascimento, Wei Xuen Heng, Anita Parbhakar-Fox, Thomas A. Schaap
Petroleum Exploration Society of Australia (PESA)
... relatively more variability in physical properties than the other modelled layers. At ~2-5 m below the surface, a laterally continuous layer is observed...
2019
Abstract: Challenges and Strategies for Near-Surface Modeling for Static Corrections, by Ralph M. Bridle; #90105 (2010)
Search and Discovery.com
2010
Seismic Imaging through Outcropping Carbonates: An Example from the Canadian Rocky Mountains, , #41533 (2015).
Yong Hua, Don C. Lawton
Search and Discovery.com
... effective in compensating for the effects of the laterally variable near-surface layer. 2. Spatially varying noise reduction processes were effective...
2015
Geostatistical Recipes for Near Surface Modeling
Search and Discovery.com
N/A
Seismic Weathered or Aerated Surface Layer
O. C. Lester, Jr.
AAPG Bulletin
... present in larger and larger proportions near the surface. The few profiles in which velocities lower than that of sound in air had been indicated, were...
1932
Seismic Static Corrections, Don W. Steeples and Gregory S. Baker, Search and Discovery Article #40047 (2002)
Search and Discovery.com
2002
Abstract: Point Receiver Acquisition and Processing for Arctic Near Surface Challenges; #90171 (2013)
C. Strobbia, A.Glushchenko, A. Laake, P.L.Vermeer, S. Papworth, and Y. Ji
Search and Discovery.com
... of the moraine, causing strongly laterally varying near surface Figure 1: Location of source and receiver line on a satellite image conditions. AAPG...
2013
Abstract: Near Surface Velocity Modeling Using Surface Wave Analysis Modeling and Inversion (SWAMI): An Application for Noise Attenuation from 3D Seismic Data; #91204 (2023)
Noor Albalawi, Kashif Adeel Mohammed, Cherif Belguermi
Search and Discovery.com
... in thicknesses and velocities in the near-surface layers can cause significant issues in imaging deep seismic reflections. Therefore, the quality...
2023
Imaging Complex Structures in Colombia Full Wave Equation Migration Approach
Hector A. Alfonso, Luis E. Rojas, Weizhong Wang, Jie Zhang, Oz Yilmaz
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... with a layer-by-layer approach for the subsurface area below the near-surface model. Similar to the RMS velocity field derivation, this is an image-based...
2008
What Are You Interpreting? Your Seismic Image Could Be Misleading You!
R. T. Newrick, E. P. Gomez, J. K. Pullishy, S. D. Jensen, J. M. de Armas
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... velocities estimated from well logs. The initial depth migration improved reflectivity in the near surface so an additional layer was added to the model...
2006
Modelling complex near-surface features to improve shallow seismic exploration.
Shaun Strong
Petroleum Exploration Society of Australia (PESA)
... Land seismic exploration is often limited or impacted by complex structures in the near surface. These can include large variations in velocities...
2018
Abstract: To TTI or not to TTI? Semi-Automated 3D Tomographic Velocity Analysis in the Canadian Foothills: A Case History; #90211 (2015)
Sylvestre Charles, David Mitchell, Rob Holt, Jiwu Lin, and John Mathewson
Search and Discovery.com
... considered unreliable, and so are often not included in the calculation of near-surface velocities. For this project, carefully edited uphole times were...
2015
A Southern North Sea Multi-Survey preSDM using Hybrid Gridded Tomography, #41592 (2015).
Ian Jones, Emma Evans, Darren Judd, Alan Campbell, Steve Elam
Search and Discovery.com
... would be used if the layer being picked was very uncertain, as is often the case for an ill-defined near-surface channel or the seismically transparent...
2015
Application of Interferometric MASW to a 3D-3C Seismic Survey
Shaun Strong, Steve Hearn
Petroleum Exploration Society of Australia (PESA)
... image will be degraded due to lateral near-surface variations. We present a methodology which incorporates interferometry into the MASW method (IMASW...
2016
Abstract: Tying Different Near Surface Models Using Geostatistics; #90254 (2016)
Abdulaziz m. Alsaad
Search and Discovery.com
... the near surface anomaly. The multiple layer model produces a long wave length solution. A 3D tomogram focuses the data at the anomaly but does not produce...
2016
Some Applications and Problems of the Seismic Refraction Technique in Civil Engineering Projects in Malaysia
B. K. Lim, S. J. Jones
Geological Society of Malaysia (GSM)
... layers have increasing seismic velocities. (d) The thickness of each refracting layer is small compared to the length of the refraction spread...
1982
Abstract: Near Surface and Anisotropy Modeling Strategies for Fast-Track Land Depth Imaging; #90319 (2018)
Ernesto Sandoval-Curiel, Daniele Colombo
Search and Discovery.com
... near-surface modelling by generating velocities in depth, together with long-, medium- and short-wavelength static corrections, reflection velocity...
2018
Velocity as a Problem in Mississippi
R. R. Phillips
GCAGS Transactions
... in Mississippi, and there is a definite need for closer velocity control. Cross sections showing effects of highly variable near surface velocities...
1951
High Performance Seismic Data Migration for High Resolution Interpretation
C. N. Chernoff
Indonesian Petroleum Association
...-processing where the near surface effects of the weathered layer and the low velocity layer are removed by analytically and vertically reducing the sources...
1983
Integration of Depth Conversion, Seismic Inversoin and Modeling Over The Belida Field, South Natuna Sea Block "B", Indonesia
Patrick Jonklaas
Indonesian Petroleum Association
... an indication of how the velocities are varying laterally and can then be contoured. In an ideal situation where more well control exists the personal bias...
1991
ABSTRACT: Practical Applications of the Ground-roll Inversion
Soumya Roy
Houston Geological Society Bulletin
...ABSTRACT: Practical Applications of the Ground-roll Inversion Soumya Roy 2012 23 23 54 06 Estimation of the near-surface shear-wave velocity...
2012
ABSTRACT: Fast and Easy Near Surface Correction of an Arabian Peninsula Seismic Line Using the Topographic Datuming Operator; #90051 (2006)
Tariq Alkhalifah, Claudio Bagaini
Search and Discovery.com
...ABSTRACT: Fast and Easy Near Surface Correction of an Arabian Peninsula Seismic Line Using the Topographic Datuming Operator; #90051 (2006) Tariq...
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