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The collective expertise of our global team distinguishes OBWB in the field of Intellectual Property Law. We align our best resources to meet each client's specific needs and we treat each matter with the highest degree of attention and care.

Stig Hestholm, Ph.D.

Stig  Hestholm , Ph.D.

  • Patent Engineer
  • English
  • Norwegian
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OverviewEducationPractices
Dr. Hestholm has a considerable depth of expertise in geophysics and seismic research. With over 30 years of experience as a reseach scientist and advisor to some of the biggest global energy leaders, Stig now applies his knowledge and experience to his work drafting and prosecuting patents at OBWB.

Prior to joining Osha Bergman Watanabe & Burton, Stig worked as a research geophysicist/research specialist at Sinopec Tech, TGS, and ExxonMobil Upstream Research Company in Houston, Texas. He also worked as a high school teacher, teaching at Klein-Forest High School. 
Professional Activities & Memberships
  • Society of Exploration Geophysicists (SEG)
  • European Association of Geoscientists and Engineers (EAGE)
Select Publications
  • S. Hestholm (2019), Elastic tilted orthorhombic (and simpler) wave modeling including free-surface topography, Geophysics, 84, pp. T93-T108.
  • S. Hestholm (2009), Acoustic VTI Modeling using High-Order Finite-Differences, Geophysics, 74, pp. T67-T73.
  • S. Hestholm (2008), Effects of Sand Dunes on Full Wavefields in Exploration, extended abstract, 11th European Conference on the Mathematics of Oil Recovery (ECMOR), EAGE, A44.
  • T. Kebeasy, E. Husebye and S. Hestholm (2008), Are rock avalanches and landslides due to large earthquakes or local topographic effects? A case study of the Lurøy earthquake of August 31, 1819 - A 3D finite difference approach, In Earthquake Monitoring and Seismic Hazard Mitigation in Balkan Countries, ed. E. S. Husebye, Springer Verlag, Dordrecht, the Netherlands, pp. 271-289.
  • S. Hestholm, M. Moran, S. Ketcham, T. Anderson, M. Dillen and G. McMechan (2006), Effects of free-surface topography on moving-seismic-source modeling, Geophysics, 71, pp. T159-T166.
  • S. Hestholm, S. Ketcham, R. Greenfield, M. Moran and G. McMechan (2006), Quick and accurate Q parameterization in viscoelastic wave modeling, Geophysics, 71, pp. T147-T150.
  • S. Hestholm (2003), Elastic Wave Modeling with Free Surfaces: Stability of Long Simulations, Geophysics, 68, pp. 314-321.
  • S. Hestholm and B. Ruud (2002), 3-D Free-Boundary Conditions for Coordinate-Transform Finite-Difference Seismic Modelling, Geophys. Prosp., 50, pp. 463-474.
  • S. Hestholm (2002), Composite Memory Variable Velocity-Stress Viscoelastic Modelling, Geophys. J. Int., 148, pp. 153-162.
  • B. Ruud and S. Hestholm (2001), 2-D Surface Topography Boundary Conditions in Seismic Wave Modeling, Geophys. Prosp., 49, pp. 445-460.
  • S. Hestholm and B. Ruud (2000), 2-D Finite-Difference Viscoelastic Wave Modeling including Surface Topography, Geophys. Prosp., 48, pp. 341-373.
  • S. Hestholm (1999), 3-D Finite-Difference Viscoelastic Wave Modeling including Surface Topography, Geophys. J. Int., 139, pp. 852-878.
  • S. Hestholm, B. Ruud and E. Husebye (1999), 3-D versus 2-D Finite-Difference Seismic Synthetics including Real Surface Topography, Physics of the Earth and Planetary Interiors, 113 Nos. 1-4, pp. 339-354.
  • A. Simone and S. Hestholm (1998), Instabilities in applying Absorbing Boundary Conditions to High Order Seismic Modeling Algorithms, Geophysics, 63, pp. 1017-1023.
  • S. Hestholm and B. Ruud (1998), 3-D Finite-Difference Elastic Wave Modeling including Surface Topography, Geophysics, 63, pp. 613-622.
  • S. Hestholm and B. Ruud (1994), 2-D Finite-Difference Elastic Wave Modeling including Surface Topography, Geophys. Prosp., 42, pp. 371-390.
  • S. Hestholm, E. Husebye and B. Ruud (1994), Seismic Wave Propagation in Complex Crust - Upper Mantle Media using 2-D Finite-Difference Synthetics, Geophys. J. Int., 118, pp. 643-670.
  • B. Ruud, E. Husebye and S. Hestholm (1993), Rg Observations from Four Continents: Inverse and Forward Modelling Experiments, Geophys. J. Int., 114, pp. 465-472.
  • Ø. Bøe, S. Hestholm and A. Kamel (1992), Numerical Simulation of Laboratory Displacement Experiments by a Petrov-Galerkin Method and a Pseudospectral Fourier Method. Proceedings from the SIAM Conference on Mathematical and Computational Issues in Geophysical Fluid and Solid Mechanics, Houston, September 25th-29th, 1989. In SIAM's Modeling and Analysis of Diffusive and Advective Processes in Geosciences, ed. W. E. Fitzgibbon and M. F. Wheeler.
  • S. Hestholm and A. Kamel (1991): Simulated Annealing Inversion applied to Ducted Propagation of Acoustic Waves, Proceedings from the SIAM Workshop on Geophysical Inversion, Houston, September 25th-29th, 1989. In SIAM's Geophysical Inversion (Proceedings in Applied Mathematics 52), ed. J. Bee Bednar, L. R. Lines, R. H. Stolt and A.B. Weglein.
Professional Affiliation & Service
  • Associate Editor - Geophysics (Seismic Modeling and Wave Propagation); Society of Exploration Geophysics (2007 - present)
  • TGS, ExxonMobil, Sinopec Representative at the UTDallas Geophysical Consortium (2010, 2012, 2015)
  • Best Paper, Author under 34, Geophysical Prospecting (1994)
  • Regular Reviewer & Session Chair SEG Annual Meetings (from 1994)
  • Fulbright and Norwegian Research Council PhD Fellowships (1995-97)
  • Ph.D., Geophysics, Rice University, 1999
  • Ph.D., Seismology, Bergen University, 1999
  • M.Sc. Applied Mathematics, Bergen University, 1987
  • B.Sc. Applied Mathematics & Numerical Analysis, Bergen University, 1985