SEG/EAGE Salt and Overthrust Models

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The SEG/EAGE Salt and Overthrust models were created as part of a joint project between the Society of Exploration Geophysicists and the European Association of Geoscientists and Engineers. The datasets were originally released by the SEG as a part of the SEG/EAGE 3-D Modeling Series and are redistributed with the consent of the authors and the corresponding institutions.


The SEG/EAGE Salt and Overthrust models are two 3-D geological models that were created as part of a multi-phase collaboration between the SEG and EAGE, with funding from the U.S. Department of Energy National Laboratories, as well as several institutions from industry and academia. The models were developed by an SEG/EAGE 3-D Modeling committee, which was co-chaired by by Fred Aminzadeh (University of Southern California) and Fabio Rocca (Politecinio di Milano).

The two datasets consist of the 3-D subsurface velocity models, as well as model surfaces and supplementary documentation. Refer to the appendix of the accompanying CD booklet for a full description of the content.

Synthetic seismic traces are available for the Salt model. See the pages SEG/EAGE_3D_modeling_Salt_Model_Phase-C_1996

There are no generally available seismic traces for the Overthrust model.

How to Download

The SEG/EAGE Salt and Overthrust Model data collected in a tar/compressed file. It cant be downloaded by clicking the link or pasting the command:

into a Linux/Mac OSX command line terminal.

After the file is downloaded it can be expanded in a terminal with the command:

tar -xvf salt_and_overthrust_models.tar.gz

The booklet describing the model is the file:

or online at:

CD booklet

Copyright notice

Copyright 1997 Society of Exploration Geophysicists


This model is licensed under the Creative Commons Attribution 4.0 International License. To view a copy of the license, visit or send a letter to Creative Commons, PO Box 1866, Mountain View, CA 94042, USA.

The license permits any user to freely copy and redistribute the material in any medium or format. Users are free to remix, transform, and build upon the material for any purpose, including commercially. Refer to LICENSE.txt for all terms and conditions, as well as the disclaimer of warranties.

Please DO NOT separate the model and data from this license and ALWAYS include the above statement and link with the data.


This model was created by the SEG/EAGE 3-D Modeling committee, co-chaired by Fred Aminzadeh (University of Southern California) and Fabio Rocca (Politecinio di Milano). Chairpersons of the working groups included Kay Wyatt (Phillips Petroleum), Patrick Lailly (IFP), Norm Burkhard (Lawrence Livermore National Laboratory), Tim Kunz (Amoco), Jun Hua Chen (Chevron) and Max Mulder (TNO).

Researchers involved in the creation of this model further include Jean Brac, Pierre Duclos, Laurence Nicoletis, Jean-Claude Lecomte and Alain Bamberger (all IFP), as well as Jane Long (Lawrence Livermore National Laboratory).

This model was added to the SEG Open Data collection with help from Joseph Dellinger (BP), Ted Bakamjian (SEG), Dieter Werthmüller (TU Delft) and Philipp Witte (Georgia Institute of Technology).


Aminzadeh, F., Brac, J., Kunz, T., 1997. SEG/EAGE 3-D Salt and Overthrust Models. SEG/EAGE 3-D Modeling Series, No. 1: Distribution CD of Salt and Overthrust models, SEG book series.

Aminzadeh, F., Burkhard, N., Long, J., Kunz, T., Duclos, P., 1996. Three dimensional SEG/EAGE models - An Update. The Leading Edge, Vol. 15, 2.

Aminzadeh, F., Burkhard, N., Kunz, T., Nicoletis, L., Rocca, F., 1995. 3-D Modeling Project: 3rd Report. The Leading Edge, Vol. 14, 2.

Aminzadeh, F., Burkhard, N., Kunz, T., Nicoletis, L., Rocca, F., 1994. SEG/ EAGE 3-D Modeling Project: 2nd Update. The Leading Edge, Vol. 13, 9.

Lecomte, J.-C., Campbell, E., Letouzey, J. 1994. Building the SEG/EAGE Overthrust Velocity Macro Model. EAGE/SEG Summer Workshop - Construction of 3-D Macro Velocity Depth Models. 3D Model Representation and Visualization.

External links

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SEG/EAGE Salt and Overthrust Models
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