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George A Mcmechan
Ida Green Professor-Geosciences Department
Office MailstopRoom No.: WSTC 2.204 
Email Address  George.Mcmechan@utdallas.edu    Primary Phone Number 972-883-2419    URL UTD Webpage    Media Contact
 Professional Preparation
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 DegreeMajorInstitutionYear
 B. ScPsychologyUniversity of Victoria1983
 M.S.Physics (Geophysics)University of Toronto1971
 B.A. Sc.Geological EngineeringUniversity of British Columbia1970
Collapse Section Expand Section Research and Expertise
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Research Interests
Current research emphasizes seismology and ground-penetrating radar.

In seismology, projects include development of software for numerical simulation of scalar, acoustic, elastic, viscoelastic, and poroelastic isotropic and anisotropic responses, and the corresponding inversion, imaging and migration processes. Applications include reservoir and aquifer characterization, AVO, cross-well and VSP, earthquake source studies, 3-D, multicomponent and wide-aperture analyses.

In ground penetrating radar, projects include development of software for numerical simulation of dielectric and moderately conducting materials in 2-D, 2.5-D and 3-D, and the corresponding inverse problems. Applications include 3-D characterization of reservoir analogs, sedimentological mapping, earthquake fault mapping, and engineering and environmental problems. Projects include experiment design and data acquisition, as well as processing and interpretation.

Collapse Section Expand Section Publications
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  YearPublication  Type
2007
Upendra Kumar Tiwari, PhD, 2007.  Dissertation:  Viscoelastic time lapse reservoir characterization for a gas sandstone reservoir. 
Other
2006
Ibrahim Z. Basi Shogar, MS, 2006.  Thesis: Evaluation of parsimonius 2D Kirschoff and reverse-time prestack depth migrations of the data from the overthrust region in the western Canadian basin.
Other
2006
Yogesh K. Agnihotri, MS, 2006.  Thesis: Parsimonius migration of 3-C 3-D VSP data.
Other
2005
Andrey Ortega and George McMechan. 3D ray-based synthesis of zero-offset p-wave and p-to-s converted wave sections for anisotropic media. Journal of Seismic Exploration 13 (2005) 353-372.
Category: Journal of Seismic Exploration
Peer reviewed
2005
Biaolong Hua and George A. McMechan. Parsimonious 3D post-stack Kirchhoff depth migration. Geophysical Prospecting 53 (2005) 507-522.
Category: Geophysical Prospecting
Peer reviewed
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Dissertations and Theses Supervised
Upendra Kumar Tiwari, PhD, 2007. Dissertation: Viscoelastic time lapse reservoir characterization for a gas sandstone reservoir.
Yogesh K. Agnihotri, MS, 2006. Thesis: Parsimonius migration of 3-C 3-D VSP data.
Ibrahim Z. Basi Shogar, MS, 2006. Thesis: Evaluation of parsimonius 2D Kirschoff and reverse-time prestack depth migrations of the data from the overthrust region in the western Canadian basin.
Keumsuk Lee, PhD, 2005. Dissertation: Three-dimensional facies architecture of ancient delta-front reservoir analogs using ground-penetrating radar with outcrop and core sedimentology with case studies from the Turonian Wall Creek member, Frontier Formation, Wyoming.
Abuduwali Aibaidula, MS, 2005. Inversion and interpretation of a 3D seismic data set from the Ouachita Mountains, Oklahoma.
Weihong Fei, PhD, 2005. Fast seismic velocity analysis using parsimonious Kirchhoff depth migration.
Keumsuk Lee, PhD, 2005. Three dimensional facies architecture of ancient delta-front reservoir analogs using ground-penetrating radar with outcrop and core sedimentology with case studies from the Toronian Wall Creek member, Frontier Formation, Wyoming.
Nistala, Suresh, MS, 2004. 3-D Modeling of Fracture-Induced Shear-Wave Splitting in the Southern California Basin
Shaoming Lu, PhD, 2003. Seismic Characteristics of Two Deep-Water Drilling Hazards: Shallow-Water Flow Sands and Gas Hydrate.
Zhang, Zijian, MS, 2003. Elastic Inversion and Interpretation of Seismic Data from Hydrate Ridge, Offshore Oregon, with Emphasis on Structural Controls of the Distribution and Concentration of Gas Hydrate and Free Gas
Gislain Madiba, PhD, 2002. Seismic Amplitude Variation with Offset; Its Effects on Weighted Stacking, and Its Uses in Characterization of Sandstone and Carbonate Reservoirs.
Biaolong Hua, PhD, Fall 2002. Parsimonious Kirchhoff Depth Migration
Szerbiak, Robert Bruce, PhD, 2002. Characterization of Fluvial Reservoir Analogs by Modeling and Inversion of Petrophysical and Electrical Properties
Adam P. Koesoemadinata, PhD, 2001. Petro-seismic Relations, amplitude Versus Angle Curves, and Petro-seismic Inversion for Sandstone Properties.
Adriansyah, PhD, 2000. Seismic AVO Analysis and Interpretation: Application to Carbonate and Clastic Reservoirs in the Northwest Java Basin, Indonesia.
Xu, Fan, MS, 2000. The efficiency of transmitted P-S conversion as a function of frequency, velocity and water saturation
Ramos-Martinez, Jaime, PhD, 2000. Full Wavefield Seismic Modeling and Source Parameter Inversion in 3-D Viscoelastic, Anisotropic Media.
Wang, Deming, MS, 2000. Finite Difference Modeling of Borehole Ground Penetrating Radar Data
Andrey A. Ortega, PhD, 1998. Seismic Modeling in Fractured Media with Applications to Multi-component Multi-azimuth Data from Southwest Venezuela
Zeng, Xiaoxian, PhD, 1998. Numerical Modeling of GPR Wavefields Using Ray-based, Fourier and Finite Difference Algorithms with Applications to Field Data
Zhou, Hongbo, PhD, 1998. 3-D Seismic Depth Migration
Jun Cai, PhD, 1997. Estimation of Electrical Properties from GPR Data by 2.5-D Modeling and Tomography.
Zhang, Jie, PhD, 1997. Imaging of Salt andSub-salt Structures Using Turning Waves and Tomography
Jiao, Yuren, MS, 1996. In-situ 2-D and 3-D Measurements of Directivity Patterns of Half-wave Dipole GPR Antennas
Sudarmo, Bernadus S., MS, 1996. Simulation and imaging of GPR data scattered by reinforcing bars in a concrete bridge deck
Qingbo Liao, PhD, 1996. Seismic Viscoacoustic Modeling and Inversion.
Wu, Yafei, PhD, 1996. Waveform inversion and modeling of seismic data from earthquake sources, hydraulic fracturing, and reflection surveys
Xu. Tong, PhD, 1996. Relaxation mechanisms for 3-D seismic and 2.5-D GPR data with applications to full-wavefield simulation and inversion
Chang, Hungyu, MS, 1995. Numerical simulation of parameter seismic scattering.
Ozdenvar, Turgut, PhD, 1995. Implementation and applications of pseudo-spectral solutions of seismic wave equations.
Rajasekaran, Saraswathi, PhD, 1995. Wave-equation based pre-stack processing for 2-D seismic data.
Stephen M. Kelly, PhD, Spring 1995. Advanced analysis for estimation of seismic statics and anisotropy.Wu, Yanping, MS, 1995. Inversion of seismic multiples.
Yoon, Kwi-Hyon, PhD, 1995. 3-D finite-difference simulation of elastic wave propagation in borehole, refraction, earthquake and whole Earth applications.
Zhengxin Dong, PhD, 1994. Seismic modeling and migration for 3-D anisotropic media.
Ik-Bum Kang, PhD, 1994. Simulation and estimation of viscoelastic and scattering effects of seismic data.
Steve T. Hildebrand, PhD, 1993. Full-wavefield inversion for 1-D acoustic and elastic media.
How-Wei Chen, PhD, 1992. Full-wavefield modeling and prestack depth migration of common-source seismic data.
Ata, Elias Z, MS, 1991. Estimation of near-surface elastic parameters using multi-component data.
Elizabeth A. Fisher, PhD, 1991. Application of seismic processing techniques to ice and ground penetrating radar data.
Matthew A. Brzostowski, PhD, 1991. 3-D Tomography.
Harris, Christopher E., MS, 1990. Reverse time migration with downward continuation for two dimensional post stack seismic data.
Kang, Ik-Bum, MS, 1990. Two dimensional elastic pseudo-spectral modeling of wide-aperture seismic array data with application to the Wichita Uplift-Anadarko Basin region of southwestern Oklahoma.
Morales, Jorge A., MS, 1990. Elastic imaging of earthquake sources.
Zhu, Xianhuai, PhD, 1990. Tomographic inversion and poroelastic modeling for reservoir characterization
Richard G. Anderson, PhD, 1989. Methods for reducing noise on reflection seismograms.
Gaiser, James Eric Gaiser, PhD, 1989. Transverse isotropic velocity estimates from slowness and displacement measurements.
Ruben D. Martinez, PhD, 1989. Modeling and linear inversion of t - p seismic data for one dimensional viscoelastic media.
Sun, Robert J., PhD, 1988. Numerical simulation and imaging of seismic wavefields.
Chern, How-Hueir, MS, 1987. 3-D modeling of transmitted seismic energy with geometrical synthetic seismograms.
Liang-Zie Hu, PhD, 1987. Imaging and processing borehole seismic data.
Yoon, Kwi-Hyon, MS, 1987. Synthetic seismogram modeling of fine oceanic crustal structure near Guadalupe Island, Mexico.
Chang, Wen-Fong, MS, 1985. Reverse time migration of offset VSP data using the excitation time imaging condition.
Liao, Ching-Yi, MS, 1985. 2-D surface to surface tomographic velocity inversion based on a polynominal parameterization using wave slowness data.
Wen, Jing, MS, 1984. Two approaches to analysis of seismic data from structurally complicated regions.
Collapse Section Expand Section Appointments
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DurationRankDepartment / SchoolCollege / OfficeUniversity / Company
1985-PresentProfessor & DirectorCenter for Lithospheric present Studies The University of Texas at Dallas
1985-PresentIda Green Chair Professor  The University of Texas at Dallas
1983-1985Associate ProfessorGeosciences Program The University of Texas at Da11as
1982-1983Research AssociateDepartment of Computer Science The University of Victoria, Canada
1980-1982Research Scientist  Pacific Geosciences Center, Sidney, Canada
1979-1980Visiting ScientistDepartment of Geophysics Stanford University
1972-1979Research Scientist  The University of Victoria, Canada
 Support
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 DurationTitleSponsorAmountStatus
May 2006-May 2008A new, highly efficient algorithm for 3-D velocity analysis for imaging of oil and gas reservoirsTARP$89,993Previous
January 2007-December 2007UTD Geophysical ConsortiumIndustrial Consortium$270,000Previous
April 2006-April 2007Toward forensic reconstruction of hydrology for recent rivers; Refining methodology for constraint of paleochannel dimensions, (with J. Ferguson and J. Holbrook)UTD-UTA JSRP$17,455Previous
January 2006-December 2006UTD Geophysical ConsortiumIndustrial Consortium$310,000Previous
January 2005-December 2005UTD Geophysical ConsortiumIndustrial Consortium$180,000Previous
July 2001-December 20053-D sedimentological and geophysical studies of clastic reservoir analogs: facies architecture, reservoir properties, and flow behavior within delta front facies elements of the Cretaceous Wall Creek Member, Frontier Formation, WyomingDOE$459,968Previous
January 2004-December 2004UTD Geophysical ConsortiumIndustrial Consortium$110,000Previous
January 2003-December 2003UTD Geophysical ConsortiumIndustrial Consortium$110,000Previous
January 2002-December 2002UTD Geophysical ConsortiumIndustrial Consortium$160,000Previous
CROctober 2001-November 2002Seismic modeling and inversion for monitoring of tracked vehiclesCRREL/DOD$140,000Previous
 News Articles
Geophysics Society to Bestow Highest Honor on Professor
UT Dallas News Center

George McMechan, the Ida M. Green Professor of Geosciences at UT Dallas, has been selected to receive the Maurice Ewing Medal from the Society of Exploration Geophysicists (SEG), the highest honor given by the international organization.
 
The award recognizes individuals who have made significant contributions to the advancement of the science and profession of exploration geophysics. McMechan will receive the award at the society’s annual meeting in November.
 
McMechan credited his professional success and research breakthroughs in part to the innovations and efforts of his collaborators and UT Dallas geophysics graduate students, as well as to 30 years of continuing support from corporate sponsors. With more than 35 years of experience in geophysical research in academia, industry and government, McMechan has published more than 260 refereed publications. He is widely known among his peers as an expert in wave field transformations and innovations in data processing technology.

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 Additional Information
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PROFESSIONAL ACTIVITIES
  • Member, American Geophysical Union
  • Member, Society of Exploration Geophysicists
  • Member, Seismological Society of America
  • Member, Environmental and Engineering Geophysics Society
  • Registered Professional Engineer (British Columbia, Canada)
  • Associate Editor, Geophysics (1985-87 and 1995-99)
  • Member, PASSCAL Standing Committee (1985-88)
  • Member, Editorial Board, Intemational Joumal of Imaging Systems and Technology (1988-1994)
  • Member, Editorial Board, Journal of Seismic Exploration (1991-present)

AWARDS
  • 1997 Virgil Kauffman Gold Medal, Society of Exploration Geophysicists

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