Oral Presentations at Technical Meetings

2010

• Sanchez-Ramirez, J., Torres-Verdín, C., Wang, G. L., Mendoza, A., Wolf, D. Liu, Z.., and Schell, G., 2010, "Field cases of the combined deterministic petrophysical inversion of gamma-ray, density, and resistivity logs acquired in thinly bedded clastic rock formations": AAPG (American Association of Petroleum Geologists) Annual Convention and Exhibition,New Orleans, Louisiana, April 11-14.
  
  
• Matuszyk, P. J., Demkowicz, L. F., and Torres-Verdín, C., 2010, "2D hp finite element simulation of sonic measurements in the borehole": Spring 2010 Finite Element Rodeo, Dallas, Texas, March 5-6.
  
  

2009

• Javadpour, F., Shabro, V., Jeje, A., and Torres-Verdín, C., 2009, "Modeling of coupled surface and drag forces for the transport and capture": Multiphysics 2009,Lille, France, December 9-11.
  
  
• Nam, M. J., Hwang, S., Pardo, D., and Torres-Verdín, C., 2009, "An analysis of induction measurements using goal-oriented, self-adaptive, hp finite-element method simulation": Fall Symposium of the Korean Society of Geosystems Engineering (KSGE), Seoul, Korea, September 23.
  
  
• Pardo, D., Matuszyk, P., Nam, M. J., and Torres-Verdín, C., 2009, "A hp-finite element method applied to the simulation of electromagnetic and acoustic/elastic borehole logging measurements": Partial Differential Equations, Optimal Design, and Numerics, Benasque, Spain, September 1.
  
  
• Pardo, D., Nam, M. J., Torres-Verdín, C., and Calo, V. M., 2009, "A Fourier-finite-element method in a non-orthogonal system of coordinates for the simulation of 3D resistivity logging measurements acquired in deviated wells": 10th U.S. National Congress on Computational Mechanics, Columbus, OH, July 16-19.
  
  
• Pardo, D., Nam, M. J., Torres-Verdín, C., and Kurtz, J., 2009, "Parallel goal-oriented adaptivity for a Fourier finite element method; Applications to the oil-industry": Mathematics of Finite Elements and its Applications (MAFELAP 2009), Brunel University, England, June 11.
  
  
• Pardo, D., Nam, M. J., and Torres-Verdín, C., 2009, "A hp Fourier-finite-element framework with multiphysics applications": International Conference on Adaptive Modeling and Simulations (ADMOS 2009), Bruxelles, Belgium, May 27.
  
  
• Nam, M. J., Hwang, S., Pardo, D., Park, K. G., Lee, C., and Torres-Verdín, C., 2009, "Simulation of short and normal logging measurements in the presence of tool eccentricity using a Fourier series expansion in a new system of coordinates and a self-adaptive hp-finite element method": Spring Symposium of the Korean Society of Geosystems Engineering (KSGE), PSeoul, Korea, May 6.
  
  
• Nam, M. J., Pardo, and Torres-Verdín, C., 2009, "Goal-oriented high-order self-adaptive hp-finite element simulation of dual-laterolog measurements": Spring Symposium of the Korean Society of Geosystems Engineering (KSGE), Seoul, Korea, May 6.


• Nam, M. J., Pardo, and Torres-Verdín, C., 2009, Self-adaptive hp-finite element simulation of multi-component induction measurements: Spring Conference of the Korean Society of Economic and Environmental Geology, Busan, Korea, April 22.
  
  

2008

• Pardo, D., Torres-Verdín, C., Paszynski, M., and Nam, M.J., 2008, "Design of frequency-domain EM finite elements for geophysical applications": Progress in Electromagnetic Research Symposium (PIERS) 2008, Boston, Massachusetts, July 3-7.
  
  
• Pardo, D., Nam, M.J., Torres-Verdín, C., and Paszynski, M., 2008, "A Fourier-finite element formulation and an iterative solver for the simulation of 3D induction measurements acquired in deviated wells": Progress in Electromagnetic Research Symposium (PIERS) 2008, Boston, Massachusetts, July 3-7.
  
  
• Angeles, R., Torres-Verdín, C., and Malik, M. 2008, "Formation testing in high-angle wells": 2008 Spring Topical Conference of the Society of Petrophysicists and Well Log Analysts (SPWLA), Taos, NM, March 30 – April 2.
  
  
• Torres-Verdín, C., 2008, "Resistivity modeling in high-angle wells": 2008 Spring Topical Conference of the Society of Petrophysicists and Well Log Analysts (SPWLA), Taos, NM, March 30 – April 2.
  
  
• Uzoh, E., Mendoza, A., Torres-Verdín, C., and Preeg, B., 2008, "Quantitative studies of relative-dip-angle and bed-thickness effects on LWD density images acquired in high-angle and horizontal wells": 2008 Spring Topical Conference of the Society of Petrophysicists and Well Log Analysts (SPWLA), Taos, NM, March 30 – April 2.
  
  

2007

• Michler, C., Demkowicz, L., Torres-Verdín, C., and Pardo, D., 2007, "Simulation of borehole acoustic measurements with adaptive finite elements for the accurate and reliable assessment of rock formation properties": 9th US National Congress on Computational Mechanics, San Francisco, July 23-26.
  
  
• Pardo, D., Paszynski, M., and, Torres-Verdín, C., 2007, "Numerical simulation of 3D borehole resistivity measurements using an hp-adaptive goal-oriented FEM": 9th US National Congress on Computational Mechanics, San Francisco, July 23-26.
  
  
• Paszynski, M., Pardo, D., and, Torres-Verdín, C., 2007, "A nested dissection parallel direct solver for simulations of 3D DC/AC resistivity measurements": 9th US National Congress on Computational Mechanics, San Francisco, July 23-26.
  
  
• Wang, G. L., Torres-Verdín, C., and Gianzero, S., 2007, "Simulation of electromagnetic waves in cylindrical layered media with the axial hybrid method": 9th US National Congress on Computational Mechanics, San Francisco, July 23-26.
  
  
• Contreras, A., Torres-Verdín, C., Fisher, W., and Galloway, W., 2007, "Geomorphologic delineation of deepwater hydrocarbon reservoirs with pre-stack seismic inversion": 2007 AAPG (American Association of Petroleum Geologists) Annual Convention and Exhibition, Long Beach, California, April 1-4.
  
  
• Pardo, D., Demkowicz, L., Torres-Verdín, C., Paszynski, M., 2007, "A three-dimensional self-adaptive, goal-oriented hp-finite element method with a multigrid solver, Applications to electromagnetics": SIAM Conference on Computational Science and Engineering, Costa Mesa, California, February 19-23.
  
  

2006

• Pardo, D., Demkowicz, L., and Torres-Verdín, C., 2006, "A two-grid goal-oriented iterative solver for hp-finite element discretizations with possibly elongated elements of elliptic problems": Eight IMACS International Symposium on Iterative Methods in Scientific Computation, College Station, Texas, USA, November 14-17.
  
  
• Ramirez, T. R., Torres-Verdín, C., Lee, H-J, and Wang, G. L., 2006, "Interactive assessment of the sensitivity of well logs to static and dynamic petrophysical properties of rock formations": AAPG (American Association of Petroleum Geologists) International Conference and Exhibition, Perth, Australia, November 5-8.
  
  
• Contreras, A., Torres-Verdín, C., Chesters, W., Kvien, K., and Fasnacht, T., 2006, "High-resolution reservoir characterization through AVA joint inversion of partially-stacked seismic amplitude data and well logs: application to deepwater hydrocarbon reservoirs in the central Gulf of Mexico": (Expanded Abstract) SPG/SEG Kunming-2006 International Geophysical Conference, Kunming China, October 27-29.
  
  
• Michler, C., Demkowicz L., and Torres-Verdín, C., 2006, "Efficient computation of acoustic sensing with hp-adaptive finite element methods": European Conference on Computational Fluid Dynamics (ECCOMAS CFD 2006), Egmond aan Zee, The Netherlands, September 5-8.
  
  
• Michler, C., Demkowicz L., and Torres-Verdín, C., 2006, "Efficient computation of acoustic sensing with hp-adaptive finite element methods": 7th World Congress on Computational Mechanics, Los Angeles, CA, July 16-22.
  
  
• Pardo, D., Torres-Verdín, C., and Demkowicz L., 2006, "A 2D and 3D hp-finite element method for simulation of through casing resistivity logging instruments": 2006 IEEE AP-S Internat. Symp. URSI Radio Science Meeting, Albuquerque, NM, July 9-15.
  
  
• Pardo, D., Paszynski, M., Torres-Verdín, C., and Demkowicz, L., 2006, "High-accuracy simulations of 2D and 3D resistivity logging instruments using a self-adaptive goal-oriented hp finite-element method": MAFELAP 2006: The Mathematics of Finite Elements and Applications 2006, Brunel University, Uxbridge, England, June 13-16.
  
  
• Contreras, A., Torres-Verdín, C., Chesters, W., Kvien, K., and Fasnacht, T., 2006, "High-resolution reservoir characterization through AVA joint inversion of partially-stacked seismic amplitude data and well logs: application to deepwater hydrocarbon reservoirs in the central Gulf of Mexico": (Expanded Abstract) Biennial Geophysical Seminar: Closing the Gap in Reserves Replacement, special conference organized by The Norwegian Petroleum Society, Kristiansand, Norway, March 20-22.
  
  
• Gambús-Ordaz, M. and Torres-Verdín, C., 2006, "Assessing the value of 3D post-stack seismic amplitude data in forecasting fluid production from a reservoir": SPE Applied Technology Workshop on Key Technologies to Create More Value for Mature Fields, Margarita Island, Venezuela, February 21-24.
  
  

2005

• Contreras, A., Torres-Verdín, C., Masdag, P., Chesters, W., and Fasnacht, T., 2005, "AVA Stochastic inversion of pre-stack seismic data and well logs for 3D reservoir modelling": (INVITED) Bright or Dim? Detection and quantification of fluids and reservoir properties from exploration through to exploitation; an integrated geoscience view, special conference organized by The Geological Society of London, Petroleum Group, London, England, September 14-16.
  
  
• Contreras, A., Torres-Verdín, C., and Galloway, W., 2005, "AVA simultaneous inversion of 3D partially stacked seismic data for reservoir delineation and lithology/fluid characterization in a deepwater Gulf-of-Mexico hydrocarbon reservoir": AAPG (American Association of Petroleum Geologists) International Conference and Exhibition, Paris, France, September 14-16.
  
  
• Torres-Verdín, C., Alpak, F. O., George, B., Sorenson, R., and Robertson, G., 2005, "Assessment of in-situ gas saturation and permeability from logs in the Hugoton field based on the physics of mud-filtrate Invasion": AAPG (American Association of Petroleum Geologists) Mid-Continent Section Meeting, Oklahoma City, OK, September 10-13.
  
  
• Pardo, D., Demkowicz, L., and Torres-Verdín, C., 2005, "High-accuracy simulations of resistivity logging instruments using a self-adaptive goal-oriented HP finite-element method": US Association for Computational Mechanics (USNCC) 8th US National Congress on Computational Mechanics, Austin, Texas, July 25-27.
  
  
• Torres-Verdín, C., Alpak, F. O., and Hou, J., 2005, "Three-dimensional, data-adaptive inversion of multi-component borehole array induction measurements on a cluster of PCs": (INVITED) SIAM (Society of Industrial and Applied Mathematics) Conference on Mathematical and Computational Issues in the Geosciences, Avignon, France, June 7-10.
  
  

2004

• Torres-Verdín, C., and Gambus, M., 2004, "A field study to assess the value of 3D seismic data in reducing uncertainty in the forecast of hydrocarbon production": AAPG (American Association of Petroleum Geologists) Annual Meeting, Dallas, Texas, April 18-21.
  
  

2003

• Boll-Argüello, L.P., Moreno-Vidal, M., and Torres-Verdín, C. 2003, "Geometrical and petrophysical factors that condition hydrocarbon-producing reservoirs in the Santa Ana OBC seismic cube: a study based on post-stack and pre-stack seismic inversion": First International Congress on Geosciences in Petroleum Industry, Cancún, Q.R., México, November 9-12.
  
  
• De la Huerta-Cobos, L., Contreras-Tébar, D.F., and Torres-Verdín, C. 2003, "Spatial, geological, and geophysical characterization of reservoirs via seismic inversion: Encrucijada Project": First International Congress on Geosciences in Petroleum Industry, Cancún, Q.R., México, November 9-12.
  
  
• Pereznegrón-Zarco, I. and Torres-Verdín, C. 2003, "Petrophysical evaluation and delineation of gas-producing reservoirs in the Lankahuasa field via post-stack and pre-stack seismic inversion": First International Congress on Geosciences in Petroleum Industry, Cancún, Q.R., México, November 9-12.
  
  
• Hou, J., and Torres-Verdín, C. 2003, "Finite-difference modeling of 3-D EM fields in anisotropic media using vector-scalar potential formulations: a comparison with direct EM field formulations" (INVITED, special session on 3D subsurface electromagnetic imaging and inversion organized by Dr. Michael Zhdanov), Progress in Electromagnetic Research Symposium 2003, Hawaii, October 13-16
  
  
• Torres-Verdín, C., Sen, M. K., Varela, O. J., Wu, Z., Roy, I. G., and Gambús-Ordaz, 2003, "Quantitative Integration of 3D Seismic Data, Geological Information, Production Data, and Well Logs into Hydrocarbon Reservoir Models Amenable to Dynamic Prediction of Fluid Production": AAPG (American Association of Petroleum Geologists) Annual Meeting, Salt Lake City, UT, May 11-14.
  
  
• Sen, M. K., Stoffa, P., Seifoullaev, R., Torres-Verdín, C., and Peszynska, M., 2003, "Time-Lapse Seismic Simulations for Reservoir Studies" (INVITED), Seventh SIAM (Society of Industrial and Applied Mathematics) Conference on Mathematical and Computational Issues in the Geosciences, Austin, TX, March 17-20.
  
  
• Torres-Verdín, C., Wu, Z., Sen, M. K., Varela, O. J., and Roy, I. G., 2003, "Quantitative Reservoir Modeling with Pre-stack Seismic Waveform Inversion and History Matching: A Subspace Approach" (INVITED), Seventh SIAM (Society of Industrial and Applied Mathematics) Conference on Mathematical and Computational Issues in the Geosciences, Austin, TX, March 17-20.
  
  
• Alpak. O.F., Habashy, T.M., Dussan, E., Torres-Verdín, C., and Sepehrnoori, K., 2003, "Joint inversion of multiphase fluid flow and electromagnetic measurements acquired in a single borehole environment": Seventh SIAM (Society of Industrial and Applied Mathematics) Conference on Mathematical and Computational Issues in the Geosciences, Austin, TX, March 17-20.
  
  

2002

• Barrios-Rivera, J., Torres-Verdín, C., Salazar-Soto, V., Herrera-Mercado, M., and Méndez-Pineda, J., 2002, "Lamé parameters, acoustic, and shear impedance volumes from simultaneous inversion of pre-stack 3D seismic data": Asociación Mexicana de Geofísicos de Exploración (AMGE) Ann. Mtg., Veracruz, México, September 4-6.
  
  
• Torres-Verdín, C., Alpak. O.F., Sepehrnoori, K., Habashy, T.M., and Dussan, E., 2002, "In-situ, real-time inversion of near-borehole petrophysical properties from pressure and DC resistivity measurements acquired with permanent sensors" (INVITED), Society of Industrial and Applied Mathematics (SIAM) 2002 Annual Meeting, Philadelphia, PA, July 8-12.
  
  
• Torres-Verdín, C., Gao, G., Habashy, T.M., and Fang, S., 2002, "Approximations to electromagnetic scattering based on natural preconditioners of the method-of-moments' stiffness matrix: applications to the probing of subsurface rock formations" (INVITED), 2002 IEEE AP-S Internat. Symp. URSI Radio Science Meeting, San Antonio, TX, June 16-21.
  
  
• Torres-Verdín, C., Gao, G., and Habashy, T.M., 2002, "A new inversion algorithm based on fast and accurate approximations of electromagnetic scattering" (INVITED), Progress in Electromagnetic Research Symposium 2002, Massachusetts Institute of Technology, Cambridge, Massachusetts, July 1-5.
  
  

2001

• Varela, O. J., Torres-Verdín, C., Sen, M. K., and Roy, I. G., 2001, "Numerical studies for the efficient quantitative integration of time-lapse reservoir production data, geological information, well logs, and pre- and post-stack 3D seismic data": SEG Development and Production Forum, Taos, New Mexico, June 24-29.
  
  
• Alpak, F. O., Torres-Verdín, and C., Sepehrnoori, K., 2001, "A Gauss-Newton nonlinear inversion technique with applications to the interpretation of time-lapse pressure data acquired with permanent sensors": Inverse Problems in Engineering Symposium (sponsored by the Department of Chemical Engineering and the Engineering Imaging Laboratory at Texas A&M University ), College Station, Texas, June 14-16.
  
  

1999

• Torres-Verdín, C. and van der Made, Pieter, 1999, "Geostatistical inversion" (INVITED): SEG Summer Research Forum, Taos, New Mexico, August 1-6.
  
  
• Torres-Verdín, C., Merletti, G., Victoria, M, Pendrel, J., and van Riel, Paul, 1999, "Geostatistical inversion and lithology discrimination: honoring seismic and borehole data to delineate sands below tuning resolution": SEG Summer Research Forum, Taos, New Mexico, August 1-6.