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The AAPG/Datapages Combined Publications Database
Showing 16,560 Results. Searched 195,387 documents.
TAU Migration and Velocity Analysis
Search and Discovery.com
N/A
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
Areas Where Mis-Tie Occurs Between Two-Receiver Velocity Log Data and Check Shot Data
Robert P. Nolting
Oklahoma City Geological Society
...Areas Where Mis-Tie Occurs Between Two-Receiver Velocity Log Data and Check Shot Data Robert P. Nolting 1961 129 130 DISCUSSION Analysis of the two...
1961
Migration Velocity Analysis by Migration of Velocity Spectra
Craig J. Beasley, Rolf Klotz
Southeast Asia Petroleum Exploration Society (SEAPEX)
... in another context; since the migration-velocity field often plays a role in depth conversion, errors in the migration-velocity field can lead to errors...
1992
ABSTRACT: Amplitude Vs. Offset Analysis in Finely Layered Media, by Herbert W. Swan; #91022 (1989)
Search and Discovery.com
1989
Abstract: The Impact of Imperfect Velocity Models and Seismic Artifacts on Interpretation of Louann Salt and Basement Structure in the Deepwater Gulf of Mexico, by Steven M. Holdaway and Errol Blumenthal; #90124 (2011)
Search and Discovery.com
2011
Abstracts: An Investigation of Systematic Location Errors of Microseismic Events; #90173 (2015)
Martin E. Nicola, Bernd Milkereit, and Emmanuel Bongajum
Search and Discovery.com
...Abstracts: An Investigation of Systematic Location Errors of Microseismic Events; #90173 (2015) Martin E. Nicola, Bernd Milkereit, and Emmanuel...
2015
Abstract: Velocity Model Calibration Effects on Microseismic Locations; #90187 (2014)
J. Akram and D. W. Eaton
Search and Discovery.com
... position errors that arise when the velocity model is assumed to be isotropic. In particular, the starting model uses the correct vertical isotropic...
2014
A Comparison of Depth-Conversion Methods in the Gulf of Mexico
Melvan D. Carter, Gary R. Hyatt
GCAGS Transactions
... the simplest constant-function approach to the "layer-cake" method to an average-velocity technique based upon seismic velocities, each method has...
1990
Abstract: Full Waveform Inversion of Borehole Data in the Presence of High-Velocity Screens; #91204 (2023)
Ali Aldawood, Andrey Bakulin, Fuqiang Chen
Search and Discovery.com
...Abstract: Full Waveform Inversion of Borehole Data in the Presence of High-Velocity Screens; #91204 (2023) Ali Aldawood, Andrey Bakulin, Fuqiang Chen...
2023
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
... challenging problem in seismic imaging --- irregular topography associated with a rugged terrain, complexity of the near surface that includes high-velocity...
2015
Abstract: Migration Velocity Analysis Using the Common Image Cube, by Saleh M. Al-Saleh; #90105 (2010)
Search and Discovery.com
2010
Chapter Ten: Depth Conversion and Depth Imaging Introduction
Alistair R. Brown
AAPG Special Volumes
... be the largest errors in the final interpretation. The physical quantity that relates time to depth is velocity. In most seismic interpretation, we...
2011
Accurate Depth Conversions Reduce Risk
Larry C. Luton, Corine Prieto
GCAGS Transactions
... is not a new concept. The challenge lies in the proper selection of velocity data and model types that will generate accurate depth maps for evaluation...
2000
Possible Causes of Velocity Mis-Ties
R. A. Broding
Oklahoma City Geological Society
...% or better, with a maximum error of 5%. This data was taken from West Texas, New Mexico, Wyoming and Colorado. ERRORS IN VELOCITY LOGGING Instrumental...
1961
Effective Use of Seismic and Well Velocities to Build a Regional Velocity Field for Depth Conversion
Search and Discovery.com
N/A
Abstract: Velocity Model Building with Weighted Linearized Inversion A VSP Data Case Study; #90187 (2014)
Mingyu Zhang, Richard Kuzmiski, and Zhengsheng Yao
Search and Discovery.com
... there are errors in first arrival picking, linear least squares inversion is used as the tool to determine the velocity model assuming that errors have...
2014
Integration of Geological Data on Seismic Sections: GEOLOGICAL NOTES
L. F. Ivanhoe
AAPG Bulletin
... of errors in integrating subsurface geology and seismic data are: (1) incorrect well points, (2) velocity errors, (3) geometric errors, and (4) projection...
1956
Abstract: Near Surface and Anisotropy Modeling Strategies for Fast-Track Land Depth Imaging; #90319 (2018)
Ernesto Sandoval-Curiel, Daniele Colombo
Search and Discovery.com
... mostly related to the near-surface velocity variations where these complexities can cause poor imaging, generate distortions and ultimately mask...
2018
ABSTRACT: Sandstone Exhumation Effects on Velocity and Porosity: Perspectives from the Ferron Sandstone, by R. D. Jarrard and S. E. Erickson; #91021 (2010)
Search and Discovery.com
2010
ABSTRACT: DEPTH IMAGING VELOCITY ESTIMATION CASE HISTORY IN A CHALLENGING AREA OF CALIFORNIA; #90014 (2003)
Fliedner, Moritz, Dimitri Bevc, Robert Clapp
Search and Discovery.com
... of non-vertically traveling energy. This setting poses a particular challenge to depth imaging because of the sensitivity velocity model errors...
Unknown
An Interpreter's Guide to Improvements in Depth Imaging through Model-Based Velocity Estimation and Refinement
Andy Furniss
Petroleum Exploration Society of Australia (PESA)
... by time migration. Significant lateral errors may be observed where there is very little velocity variation in the overburden and only map migration...
1999
Converted-Wave Prestack Time Imaging without using P-Wave
Search and Discovery.com
... requires very accurate vertical velocity ratio (γ0). Errors in Vp estimation may be carried over to Vs too. Even though you have very good estimation of P...
2013
The impact of estimated temporal and spatial variability of water layer velocity on the correction of OBS data
Peter Scholtz, Truong Nguyen, Arash Jafar Gandomi
International Meeting for Applied Geoscience and Energy (IMAGE)
... for these errors, while a water velocity model gets updated from an initial uniform estimate to a final time- and depth-dependent version at the node locations...
2023
Velocity Characteristics of the Salt-Bearing Sediments of the Outer Part of the Border Zone of the Peri-Caspian Depression
S. B. Faynitskiy, Ye. G. Skornyakova
Petroleum Geology: A Digest of Russian Literature
...Velocity Characteristics of the Salt-Bearing Sediments of the Outer Part of the Border Zone of the Peri-Caspian Depression S. B. Faynitskiy, Ye. G...
1979