Bureau of Economic Geology, The University of Texas at Austin, Austin, TX. Research Associate, Geophysics from 11/2004

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1 Paul C. Sava Bureau of Economic Geology, The University of Texas at Austin, University Station, Box X, Austin, TX 78758, (512) Research interests Education Wavefield-based imaging for Seismic and Ground Penetrating Radar data. Computational seismology. Probabilistic imaging. Numerical optimization. High-performance scientific computing. Stanford University, Stanford, CA. Advisors: Prof. Biondo L. Biondi and Prof. Jon F. Clærbout. Ph.D. Geophysics, GPA 4.005/4 01/2005 Thesis: Migration and velocity analysis by wavefield extrapolation. M.Sc. Geophysics, GPA 4.009/4 10/1998 University of Bucharest, Bucharest, Romania. Advisors: Prof. Marian Ivan and Prof. Tudorel Orban. Engineer Geophysics, GPA 10/10 6/1995 Thesis: Crosswell seismic tomography. Honors & Awards Society of Exploration Geophysicists Honorable Mention in the category Best Paper in Geophysics for Angle-domain common-image gathers by wavefield continuation methods, co-authored with Sergey Fomel 2004 Awards of merit Best student paper 1999 & 2001 Stanford University Geophysics Department Stanford Graduate Fellowship Green Fellowship Chevron Fellowship University of Bucharest, Faculty of Geology and Geophysics Valedictorian, Commencement 1995 Romanian Government Fellowship Research & Experience Bureau of Economic Geology, The University of Texas at Austin, Austin, TX. Research Associate, Geophysics from 11/2004 Stanford Exploration Project, Stanford, CA. Research Assistant, Geophysics 6/ /2004 BP Upstream Technology, Houston, TX. Geophysicist 4/2002-6/2002 3DGeo Development Inc., Mountain View, CA. Consultant Geophysicist 1999, 2000

2 Schlumberger GeoQuest, Hanover, Germany and Bucharest, Romania. Software Support Geoscientist 3/1995-6/1997 Institute of Geology and Geophysics, Bucharest, Romania. Programmer Service Teaching Experience Invited Lectures Society of Exploration Geophysicists, Associate Editor, Geophysics from 1/2005 Stanford University, Stanford, CA. Teaching Assistant Image Estimation by Example, Prof. Jon F. Clærbout Geophysics Department Conducted seminars and prepared lecture materials. Prepared and graded homeworks and computer labs. Held office hours 3-D Reflection Seismology, Prof. Biondo L. Biondi Geophysics Department Prepared and graded homeworks and computer labs. Conducted seminars and graded final exams. Held office hours Colorado School of Mines, Golden, CO, Heiland Lecture, Geophysics Department Stanford University, Stanford, CA, Mathematical Geophysics Summer School Computer Skills Membership Articles in Peer-reviewed Journals Languages: C, C++, Fortran90, Python. Operating systems: Linux, Unix, Windows. High performance computing: MPI, OpenMP. Applications: Matlab, Mathematica. Software: wave-equation migration & tomography, in-core & out-of-core optimization, traveltimes. Society of Exploration Geophysicists (SEG). European Association of Geoscientists and Engineers (EAGE). Society of Industrial and Applied Mathematics (SIAM). American Geophysical Union (AGU). Romanian Society of Geophysics (RSG). Sava, P.C., Fomel, S., 2005, Riemannian wavefield extrapolation, Geophysics, in press. Sava, P.C., Biondi, B., Etgen, J., 2005, Wave-equation migration velocity analysis by focusing of diffractions and reflections, Geophysics, in press. Sava, P.C., Guitton, A., 2005, Multiple attenuation in the image space, Geophysics, v. V10-V20. 70, pp Sava, P.C., Biondi, B., 2004, Wave-equation migration velocity analysis - I: Theory, Geophysical Prospecting, vol. 52, pp

3 Sava, P.C., Biondi, B., 2004, Wave-equation migration velocity analysis - II: Subsalt imaging example, Geophysical Prospecting, vol. 52, pp Sava, P.C., Fomel, S., 2003, Angle-domain common image gathers by wavefield continuation methods, Geophysics, vol. 68, no. 3, pp Sava, P.C., 2003, Prestack residual migration in the Fourier domanin, Geophysics, vol. 68, no. 2, pp Fomel, S., Sava P.C., Rickett, J., Claerbout, J., 2003, The Wilson-Burg method of spectral factorization with application to helical filtering, Geophysical Prospecting, vol. 51, pp Rickett, J., Sava, P.C., 2002, Offset and angle-domain common image-point gathers for shot profile migration, Geophysics, vol. 67, no. 3, pp Sava, P.C., Fomel, S., 2001, 3-D traveltime computation by Huygens wavefront tracing, Geophysics, vol. 66, no. 3, pp Conference Abstracts & Presentations Sava, P.C., Fomel, S., 2004, Wavefield extrapolation in Riemannian coordinates, Proceedings of the 74 th Annual International Meeting, Society of Exploration Geophysicists. Sava, P.C., Biondi, B., Etgen, J., 2004, Diffraction-focusing migration velocity analysis Proceedings of the 74 th Annual International Meeting, Society of Exploration Geophysicists. Shragge, J., Sava, P.C., 2004, Adaptive phase-rays wavefield extrapolation, Proceedings of the 74 th Annual International Meeting, Society of Exploration Geophysicists. Sava, P.C., Fomel, S., 2004, Seismic modeling with Riemannian wavefield extrapolation, Proceedings of the 66 th Annual International Meeting, European Association of Geoscientists and Engineers. Sava, P.C., Biondi, B., 2004, Wave-equation migration velocity analysis, Research Workshop: Estimation of Accurate Velocity Macro-Models in Complex Structures, the 66 th Annual International Meeting, European Association of Geoscientists and Engineers. Irving, J., Sava, P.C., Knight, R., Biondi, B., 2004, Ground-penetrating radar diffraction velocity analysis, AGU 2004 Spring Meeting, Montreal, Canada. Sava, P.C., Biondi, B., 2003, Wave-equation migration velocity analysis by inversion of differential image perturbations, Proceedings of the 73 rd Annual International Meeting, Society of Exploration Geophysicists, pp Sava, P.C., Guitton, A., 2003, Multiple attenuation in the image space, Proceedings of the 73 rd Annual International Meeting, Society of Exploration Geophysicists, pp Sava, P.C., Biondi, B., 2003, Migration velocity analysis by recursive wavefield extrapolation, EAGE/SEG Summer Research Workshop, Extended Abstracts, paper T20. Sava, P.C., Guitton, A., 2003, Multiple attenuation after migration, EAGE/SEG Summer Research Workshop, Extended Abstracts, paper T25. Sava, P.C., Biondi, B., 2003, Analytical image perturbations for wave-equation migration velocity analysis, Proceedings of the 65 th Annual International Meeting, European Association of Geoscientists and Engineers.

4 Sava, P.C., Biondi, B., Fomel, S., 2003, Wave-equation migration velocity analysis, SIAM Conference on Mathematical and Computational Issues in the Geosciences (GS03), Austin, TX. Sava, P.C., Fomel, S., 2002, Wave-equation migration velocity analysis beyond the Born approximation, Proceedings of the 72 nd Annual International Meeting, Society of Exploration Geophysicists, pp Rosales, D., Biondi, B., Sava, P.C., 2002 Stolt prestack residual migration for converted waves, Proceedings of the 72 nd Annual International Meeting, Society of Exploration Geophysicists, pp Biondi, B., Clapp, R., Sava, P.C., Prucha M., 2002, 3-D prestack wave-equation imaging: a rapidly evolving technology, Proceedings of the 64 th Annual International Meeting, European Association of Geoscientists and Engineers. Sava, P.C., Fomel, S., Biondi, B., 2001, Amplitude-preserved common-image gathers by waveequation migration, Proceedings of the 71 st Annual International Meeting, Society of Exploration Geophysicists, pp Sava, P.C., Rickett, J., Prucha, M., Biondi, B., 2001, Amplitude-preserving wave-equation imaging, Research workshop, the 71 st Annual International Meeting, Society of Exploration Geophysicists. Rickett, J., Sava, P.C., 2001, Offset and angle-domain common-image gathers for shot-profile migration, Proceedings of the 71 st Annual International Meeting, Society of Exploration Geophysicists, pp Sava, P.C., 2000, Prestack Stolt residual migration for migration velocity analysis, Proceedings of the 70 th Annual International Meeting, Society of Exploration Geophysicists, pp Vaillant, L., Calandra, H., Sava, P.C., Biondi, B., 2000, 3-D wave-equation imaging of a North Sea dataset: common-azimuth migration + residual migration, Proceedings of the 70 th Annual International Meeting, Society of Exploration Geophysicists, pp Vaillant, L., Sava, P.C., Biondi, B., Calandra, H., 2000, 3-D prestack wave-equation migration of North Sea common-azimuth data, Proceedings of the 62 nd Annual International Meeting, European Association of Geoscientists and Engineers. Biondi, B., Vaillant, L., Sava, P.C., 2000, Wave-equation Imaging of 3-D Reflection Seismic Data, AGU 2000 Fall Meeting, San Francisco, CA. Biondi, B., Sava, P.C., 1999, Wave-equation migration velocity analysis, Proceedings of the 69 th Annual International Meeting, Society of Exploration Geophysicists, pp Sava. P.C., Fomel, S., 1999, 3-D traveltime computation by Huygens wavefront tracing, SIAM Conference on Mathematical and Computational Issues in the Geosciences (GS99), San Antonio, TX. Biondi, B., Prucha, M., Sava, P.C., 1999, 3-D wave-equation prestack imaging under salt, Rio 99 6 th International Congress of the Brazilian Geophysical Society, Rio de Janeiro, Brazil. Sava, P.C., Fomel, S., 1998, Huygens wavefront tracing: a robust alternative to conventional ray tracing, Proceedings of the 68 th Annual International Meeting, Society of Exploration Geophysicists, pp

5 Sava, P.C., 1995, Numerical studies on solving tomographic systems with iterative algorithms, Interdisciplinary Inversion Conference on Methodology, Computation and Integrated Applications, University of Aarhus, Denmark, May 22-24, Sava, C.S., Sava, P.C., 1995, Contributions of the Marine Gravity and Magnetic Survey to the Geological Knowledge on the Black Sea Romanian Shelf (I), the 56th Eur. Assn. Geosci. Eng., Vienna, Austria. References Prof. Biondo L. Biondi Geophysics Department, Stanford University Stanford, CA 94305, (650) Prof. Jon F. Clærbout Geophysics Department, Stanford University Stanford, CA 94305, (650) Prof. William W. Symes Department of Computational and Applied Mathematics, Rice University Houston, TX 77005, (713) January 31, 2005