CURRICULUM VITAE

Roelof Jan Versteeg

Personal Data

Date of birth: September 22, 1962
Nationality: Dutch

Ph.D. Geophysics, 1991, University Paris VII, Paris, France.

Thesis title: "Analyse du probl=E8me de la détermination du modes le de vitesse pour l'imagerie sismique" (in English with a résumé in French); advisors: Prof. R. Madariaga and Dr. P. Lailly.

M.S. Geophysics, 1988, State University Utrecht, the Netherlands.

Advisor: Prof. K. Helbig.

M.S. Geology, 1988, State University Utrecht, the Netherlands. Advisor:

Prof. P. de Boer.

B.S. Geophysics, 1984, State University Utrecht, The Netherlands

9/95-present Associate Research Scientist and Schlumberger Junior
Scholar, Lamont Doherty Earth Observatory of Columbia University. Charged
with creating a program in near surface and environmental geophysics.
9/94-8/95 Visiting Assistant Professor, Department of Geology and
Geophysics, University of Connecticut, Storrs, Connecticut. Initiation of a
program in near surface and environmental geophysics. Teaching of several
geophysics courses.
8/92-8/94 Research Scientist, Department of Computational and Applied
Mathematics, Rice University, Houston, Texas; Development of seismic
inversion methods with emphasis on integrating geological constraints on
inversion, advisor: Prof. William W. Symes.
Spring '94 Co-taught a graduate class on Seismic Processing using
Promax (GG444)
1/92- 7/92 Visiting Scientist, Amoco Production and Research
Laboratory. Tulsa, Oklahoma. Worked on pre stack depth migration methods.
9/91-11/91 Postdoctoral scientist. Institut Francais du Petrole, Rueil
Mailmaison, France.
10/89-12/90 Co-organizer of the Marmousi workshop, held at the 1990
EAEG meeting. Editor of the proceedings of the workshop.
9/86-9/88 Teaching assistant for the course "Seismic Acquisition and
Processing" at State University Utrecht.

* Second Prize, SEG student paper competition, 1991

American Geophysical Union
Society of Exploration Geophysics
European Association of Exploration Geophysics
International Association of Sedimentologists

* Fluent in Dutch, English and French.
* Strong geological background: Ms in sedimentology. Numerous geological
field trips. Large experience with interdisciplinary work, both between
geophysics and geology and geophysics and applied mathematics.
* Experienced in the development and maintenance of seismic processing
codes and extensive numerical codes: development of a Kirchhoff based
inversion code and parallelization (using PVM) of migration and modeling
code
* Actively involved in design and implementation of near surface
geophysical curriculum. Tought field classes.

* Prof. William W. Symes, Department of Computational and Applied
Mathematics, Rice University, P.O. Box 1892, Houston, TX 77251, Phone:
713/527 6064, Fax: 713/285 5214, email: symes@rice.edu
* Dr. Patrick Lailly, Institut Francais du Petrole, Helioparc Pau-Pyrenees,
2 Avenue Pierre Angot, 64000 - Pau, France. Phone: 011-33-59845983, Fax:
011-33-59844296
* Dr. Kurt Marfurt, Amoco Production and Research, P.O. Box 3385, Tulsa,
OK 74102. Phone: 918-660-3000, Fax: 918-660-4163, email marfurt@amoco.com
* Dr. Sven Treitel, Amoco Production and Research, P.O. Box 3385, Tulsa,
OK 74102. Phone: 918-660-3525, Fax: 918-660-4163, email streitel@amoco.com

Books

Versteeg, R. and Grau, G. (editors), 1991, The Marmousi experience,
proceedings of the 1990 EAEG workshop on practical aspects of seismic data
inversion, EAEG, Zeist.

Versteeg, R., 1994, Post migration image enhancement using geometric
constraints, submitted to Geophysics.

Symes, W., Versteeg, R., Sei, A. and Tran, H.,1994, Kirchhoff modeling and
migration: theory and implementation, submitted to Journal of Seismic
Exploration.

Versteeg, R., 1994, The Marmousi experience: Velocity model determination
on a synthetic complex data set, The Leading Edge, No. 9, pp 927 - 936.

Lailly, P., Svay, J., and Versteeg, R., 1993, Analysis and comparison of
different quantitative criteria for velocity model determination, accepted
for publication in Geophysics.

Versteeg, R. 1993, Sensitivity of prestack depth migration to the velocity
model, Geophysics, Vol. 58, No. 6, pp. 873-882.

Versteeg, R. and Lailly, P., 1991, EAEG Workshop report: practical aspects
of seismic data inversion, First Break, Vol. 9, No. 2.

Haeni, F.P., Banks, W.L. and Versteeg, R.J., 1995, Collecting single and
multichannel seismic reflection data in shallow water near Aberdeen Proving
Ground, Chesapeake Bay, Maryland, in Expanded Abstracts of the 65th Annual
Meeting of the SEG, pp. 422-425

Versteeg, R.J. 1995, Requirements for the use of ground penetrating radar
as an organic contaminant detection tool, in Proceedings of the 1995
NGEGCOM meeting (in press)

Versteeg, R.J., 1995, Enhanced anomaly detection using comparative ground
penetrating radar sections, in 1995 Abstracts and Programs, 30th annual
northeastern section meeting of the Geological Society of America

Versteeg, R., Gockenback, M, Kern, M. and Symes, W., 1994, Shot level
parallelization of a seismic inversion code using PVM , in: Expanded
Abstracts of the 64th Annual Meeting of the SEG, pp. 192-194

Versteeg, R. and Symes, W., 1994, Geologic constraints on seismic inversion
, in: Expanded Abstracts of the 64th Annual Meeting of the SEG, pp.
1020-1023

Versteeg, R.and Marfurt,K., 1994, Exploring model space on the cheap: a
hybrid approach to velocity model estimation , in: Expanded Abstracts of
the 64th Annual Meeting of the SEG, pp. 1202-1204

Versteeg, R. and Symes, W., 1993, Geometric Constraints on Seismic
Inversion, in: Expanded Abstracts of the 63rd Annual Meeting of the SEG,
pp. 595-601

Symes, W. and Versteeg, R., 1993, Velocity model determination using
Differential Semblance Optimization, in: Expanded Abstracts of the 63rd
Annual Meeting of the SEG, pp. 696-699

Jacobs, J, Jardin, A., Delprat-Jannaud, F., Versteeg, R. and Lailly, P.,
1991, Prestack Structural Interpretation of seismic data: a case study, in:
Expanded Abstracts of the 61st Annual Meeting of the SEG, pp. 188-191

Versteeg, R., Geoltrain, S. and Ehinger, A. 1991, Use of migration
coherency panels for velocity model determination, in: Expanded Abstracts
of the 61st Annual Meeting of the SEG, pp. 1255-1258

Versteeg, R., Ehinger, A. and Geoltrain, S. 1991, Sensitivity of
migration coherency panels to the velocity model, in: Expanded Abstracts of
the 61st Annual Meeting of the SEG, pp. 1251-1254

Lailly, P., Svay, J. and Versteeg, R., 1990, Some remarks on different
optimization criteria for the velocity model, in: Expanded Abstracts of the
6oth Annual Meeting of the SEG, pp. 1283-1286

Versteeg, R., 1990, Sensitivity of prestack depth migration to the velocity
model, in: Expanded Abstracts of the 6oth Annual Meeting of the SEG, pp.
1275-1278

Symes, W. and Versteeg, R., 1993, Kirchhoff modeling, migration and
inversion: theory and implementation, in: 2nd Annual Report, The Rice
Inversion Project.

Versteeg, R. and Symes, W., 1993, Geometric Constraints on Seismic
Inversion, in: 2nd Annual Report, The Rice Inversion Project.

Symes, W. and Versteeg, R., 1993, 2D Velocity estimation using Differential
Semblance Optimization, in: 2nd Annual Report, The Rice Inversion Project.

Versteeg, R. , 1992, Analysis of problems associated with MBS based
velocity model determination Internal Report T92-G-26, Amoco Production and
Research Lab.

Versteeg, R. , 1992, Get-Dip: A program to calculate a dip field from
seismic picks Internal Report T92-G-25, Amoco Production and Research Lab.

Versteeg, R. , 1992, FARS: A Prestack Shot Record Depth Migration Program.
Internal Report T92-G-24, Amoco Production and Research Lab.

Versteeg, R. , 1992, Example of Velocity model sensitivity analysis on the
W89-122 Line (Gulf of Suez). Internal Report T92-G-23, Amoco Production and
Research Lab.

Delprat-Jannaud, F. , Farra, V., Jardin, A., Jacobs, J., Lailly, P and
Versteeg, R., 1991, A first application of the PSI approach on 2D data: a
case study, in 2nd Annual Report, PSI consortium, IFP, France

Versteeg, R., Geoltrain, S. and Ehinger, A. 1991, Use of migration
coherency panels for velocity model determination, in: 2nd Annual Report,
PSI consortium, IFP, France

Versteeg, R., Ehinger, A. and Geoltrain, S., 1991, Sensitivity of
migration coherency panels to the velocity model, in: 2nd Annual Report,
PSI consortium, IFP, France

Versteeg, R. and Geoltrain, S., 1990, Sensitivity of prestack depth
migration to the velocity model , in 1st Annual Report, PSI consortium,
IFP, France

Lailly, P., Svay, J. and Versteeg, R., 1990, Some remarks on different
optimization criteria for the velocity model, in 1st Annual Report, PSI
consortium, IFP, France

Lailly, P., Geoltrain, S. and Versteeg, R., 1990, A tomography based method
for consistently stacking depth-migrated records, in 1st Annual Report,
PSI consortium, IFP, France

Versteeg, R. and Chaffel, P. Geological information on velocities, in 1st
Annual Report, PSI consortium, IFP, France

C.R. Geel, C. Visser and Versteeg, R, 1986, Vertical and lateral
geometrical development of gravity flow deposits in deep sea fan and
abyssal plain complexes., Report no. 66, Comparative Sedimentology
Division, Utrecht University

Associate Research Scientist
Lamont Doherty Earth Observatory
Rt 9W
Palisades, NY 10964 - 8000
phone: 914 365 8501
fax: 914 365 2312
email: versteeg@ldeo.columbia.edu