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The AAPG/Datapages Combined Publications Database
Showing 664 Results. Searched 196,128 documents.
2D Survey Earth Model Building and Depth Imaging Using 3D Grid-Based Tomography Technology
Eric Pearson, Suyang Chen
Indonesian Petroleum Association
... direction). In this area, the geologic structure and associated seismic velocity model are extremely complex. In order to achieve the best possible...
2012
A Comprehensive Approach to Depth Imaging in Thrust Belt Environments
Ron Schmid, Brian Link, Patrick Butler
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... imaging in thrust belt environments Ron Schmid*, Brian Link, Patrick Butler; Kelman Seismic Processing SUMMARY A novel, migration velocity analysis...
1997
Abstract: Constraining Anisotropy Lessons from 2D Modeling; #90211 (2015)
Rob Holt
Search and Discovery.com
... are difficult to determine with precision. Velocity moveout and anisotropic moveout look identical on migrated gathers when reflection angles are less than 30...
2015
Abstracts: True-Amplitude PS Prestack Time Migration via 5D Interpolation; #90173 (2015)
Peter W. Cary, Albert Zhang
Search and Discovery.com
... of the velocities obtained from stacking velocity analysis can be used in CPSTM. Thus, only the PS-converted-wave velocity needs to be estimated precisely...
2015
Developing an Exploration Tool in a Mature Trend: A 3D AVO Case Study in South Texas
Mark E. Gregg, Charles T. Bukowski, Jr.
Houston Geological Society Bulletin
... are required to observe them. A large non-exclusive 3D survey was reprocessed using non-hyperbolic moveout and resulting angle stacks were analyzed...
2001
Abstract: Structurally-Consistent Interval Velocity Variation with Azimuth; #90187 (2014)
Darren Schmidt, Alicia Veronesi, Chris Davison, and Jeff Durand
Search and Discovery.com
... Dix equation and analytic treatment of normal moveout velocity for anisotropic media: Geophysical Prospecting, 47, 117-148. Tsvankin, I., 1997...
2014
Where Is My Horizontal Well? Use of Borehole Seismic Where Velocities Vary Laterally
Agus Muharam, Frank Musgrove
Indonesian Petroleum Association
... horizontal wells (out to a kilometer or more) are becoming common in field developments. In areas where overburden velocity varies laterally, it becomes...
1998
Abstract: Converted Wave Receiver Statics from First Break Mode Conversions; #90171 (2013)
Kristof De Meersman and Marcelo Roizman
Search and Discovery.com
... will often degrade the initial velocity estimates that are needed to produce the converted wave stack. Method Our method is largely based on findings...
2013
Abstract: Converted Wave Receiver Statics from First Break Mode Conversions; #90171 (2013)
Kristof De Meersman and Marcelo Roizman
Search and Discovery.com
... will often degrade the initial velocity estimates that are needed to produce the converted wave stack. Method Our method is largely based on findings...
2013
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
... in residual moveout that are difficult (if not impossible) to dissociate from residual velocity heterogeneity errors. Even though the isotropic depth...
2015
Abstract: Greedy Least-Squares and its Application in Radon Transforms; #90171 (2013)
Juefu Wang and Mark Ng
Search and Discovery.com
... iterations of the greedy method with minimum misfit. References Hampson, D., 1986, Inverse velocity stacking for multiple estimation: 66th Ann...
2013
Seismic Evidence for Widespread Possible Gas Hydrate Horizons on Continental Slopes and Rises
Thomas H. Shipley, Mark H. Houston, Richard T. Buffler, F. Jeanne Shaub, Kenneth J. McMillen, John W. Ladd, J. Lamar Worzel
AAPG Bulletin
...). Data were collected with programmed increasing gain with time. Trace-by-trace gain normalization, normal moveout, stacking, filtering, and automatic...
1979
NMO Application in VTI Media: Effective and Intrinsic Eta (Geophysics Paper 6)
Joel Starr, Maz Farouki
Geological Society of Malaysia (GSM)
... for transversely isotropic media. Geophysics, 60, 1550-1566. Alkhalifah, T., 1997. Velocity analysis using nonhyperbolic moveout in transversely isotropic media...
2008
Seismic Imaging at Conger: Lessons Learned in Gulf of Mexico Subsalt Imaging
Thomas C. Bergeon, Brad A. Robison
GCAGS Transactions
... areas of non-hyperbolic moveout and may be associated with near-surface velocity effects. Comparisons of pre-stack and post-stack data show some minor...
2006
The Application of a Linear Increase of Velocity with Depth to Seismic Dip Migration
J. E. Stones
Oklahoma City Geological Society
...-T = the moveout time of the reflection L = the spread length The values for (Vo) and (a) can be determined from the time-depth curve of one or more velocity...
1958
ABSTRACT: Confirming Depth Models using Differential Wide Aperture Seismic; #90061 (2006)
James H. Leven
Search and Discovery.com
...-stack depth migration or for precise depth conversion, particularly for field definition. Normal moveout (NMO) “velocity” analysis is a relatively...
2006
Seismic Characterization of the Fiordland Gas-hydrate Province, New Zealand
Miko Fohrmann, Andrew R. Gorman, Ingo A. Pecher
AAPG Special Volumes
... of the geometry, correction for spherical divergence, normal-moveout correction, stacking, poststack deconvolution, time-domain migration, and time-domain...
2009
An Overview of Reservoir Seismic Stratigraphy, Frontmatter
Tom Wittick
North Texas Geological Society
... Effects of Shale Stringers in a Thin Sand 7-13 High-Velocity Reservoirs 7-15 Chapter 8 AVO Amplitude-Versus-Offset What is AVO? 8-1...
1992
Abstract: Shallow VSP Survey using a Small Vibrator Source; #90171 (2013)
Joe Wong, Soo K. Miong, Robert R. Stewart, Eric V. Gallant, and Kevin W. Hall
Search and Discovery.com
... for a singlelayered earth, but it can be adapted to a multilayered earth simply by substituting the RMS stacking velocity vrms in place of the constant...
2013
Diving wave tomography: Velocity modelling using first arrival traveltime
Amatul Syafi Abdul Basit, Abdul Rahim Md Arshad, Arulini Permalu
Geological Society of Malaysia (GSM)
...-pass of velocity analysis using semblance method would give some degree of information on stacking velocity for the algorithm to begin reconstruction...
2022
Extended Abstract: Multiple Attenuation Research
PESA Staff
Petroleum Exploration Society of Australia (PESA)
... of velocity inversion. As a result, the stacking velocities of primary and multiple events are very similar. This unfortunate occurrence reduces...
1995
Abstracts: Oilsands: Not Your Average Seismic Data; #90173 (2015)
David Gray
Search and Discovery.com
... zero amplitude at zero offset with a risk of amplitude cross-over with offset. Therefore, stacking all these offsets may result in poor well ties...
2015
Abstract: A Time Migration before Stack
Richard C. Cooper, Malcolm R Hobson
Geological Society of Malaysia (GSM)
... processing sequence. Similarly during the 1980's, we saw a proliferation of research and development of partial pre-stack migration operators, or Dip-Moveout...
1990
Wide-Band Velocity Filtering--The Pie Slice Process: ABSTRACT
Peter Embree, John P. Burg, Milo M. Backus
AAPG Bulletin
...Wide-Band Velocity Filtering--The Pie Slice Process: ABSTRACT Peter Embree, John P. Burg, Milo M. Backus 1963 1769 1769 47 9. (September...
1963
Abstract: Interpretation of Natural Fractures from the Traveltime Variation with Source-receiver Azimuth in the Alberta Foothills; #90172 (2014)
Draga A. Talinga, Don C. Lawton
Search and Discovery.com
... and differences in the results. Introduction In azimuthally anisotropic media, the moveout velocity varies with azimuth even if the layer...
2014