The EDGER Team

Omar Alamoudi
MS Geophysics, Stanford University ’18
Advisor: Tisato
Ent. Fall ‘18, Phd

Deformation and permeability in tight rock formations by means of X-ray tomograp

Osama Alnasery
MS Geophysics, Stanford University ’17
Advisor: SPikes
Ent. Spring ‘21, Phd

Effect of pore geometry on elastic properties of rocks

Ricardo de Braganca
MS Geophysics, Universide Federal da Bahia, Brazil ’94
Advisor: Sen
Ent. Fall ‘18, Phd

Full waveform inversion and Hopfield networks

Cameron deFabry
BS Geophysics, University of Nevada, Reno ’18
Advisor: Sen
Ent. Fall ‘20, Phd

Seismic data analysis

Arnab Dhara
MS Geophysics, Indian Institute of Technology Kharagpur ’14
Advisor: Sen
Ent. Fall ‘19, Phd

Facies constrained transdimensional inversion

Eric Goldfarb
MS Mining Engineering, Queens University, Canada  ’15
Advisor: Tisato
Ent. Fall ‘16, Phd

Digital rock physics and wave-induced fluid flow

Ken Ikeda
BSc Geology, Chulalongkorn University, Bangkok, Thailand ’16
Advisor: Tisato
Ent. Fall ‘16, Phd

Low-frequency attenuation of fractured media

Ent. Fall ’17, MS
MS Beophysics, University of Petroleum, Beijing /18
Advisor: Sen
Ent. Fall ’18, PhD

Wavefield simulation using mesh-free finite differences

Son Phan
MS Geophysics, The University of Texas at Austin, ’11
Advisor: Sen
Ent. Spring ’18, PhD

Seismic waveform inversion using Hopfield networks and mean field annealing

Dimitri Voytan
BS Earth Sciences, University of California, Santa Cruz, ’18
Advisor: Sen
Ent. Fall ’19, PhD

Physics based neural networks

Wei Xie
MS Geophysics, The University of Alberta, ’14
Advisor: Spikes
Ent. Fall ’17, PhD

Rock property uncertainty estimates using probabilistic templates

GRADUATE STUDENTS
Alumni since 1999, with a Focus in Exploration Geophysics

Jackson Tomski
MS Geophysics, UT Austin, Spring ’21
Advisor: Sen
Unconventional reservoir characterization using Bayesian neural networks

David Tang
PhD Geophysics, UT Austin, Spring ’20
Advisor: Spikes
Machine learning applications to point counting and segmentation of thin sectionsJanaki Vamaraju

Janaki Vamaraju
PhD Geophysics, UT Austin, December ’19
Advisor: Sen
Numerical modeling of wave propagation in fractured media using hybrid finite element methods

Reetam Biswas
PhD Geophysics, UT Austin, December ’19
Advisor: Sen
Trans-dimensional inverse problems

Badr Alulaiw
PhD Geophysics, UT Austin, December ’19
Advisor: Sen
High resolution inverse theory and applications
Currently Employed by: Saudi Aramco

Hala Alqatari
MS Geophysics, UT Austin, May ’19
Advisor: Sen
Full seismic waveform modeling and inversion
Currently Employed by: Saudi Aramco

Alejandro Garza Juarez
MS Geophysics, UT Austin, May ’19
Advisor: Sen
Time-lapse seismic inversion
Currently Employed by: Pemex

Elliot Dahl
PhD Geophysics, UT Austin, December ’17
Advisor: Spikes
Viscoelastic wave propagation along a borehole using squirt flow and Biot’s poroelasticity theory
Currently Employed by

Debanjan Datta
Phd Geophysics, UT Austin, December ’17
Advisor: Sen
Implementing efficient global optimization methods is full waveform inversion
Currently Employed by: Shell

Han Liu
PhD Geophysics, UT Austin, May ’17
Advisors: Sen and Spikes
Quantification of the effects of fracture properties on seismic data
Currently Employed by: BP

Barry Borgman
MS Geophysics, UT Austin, May ’16
Advisor: Spikes
Characterization of the Cana-Woodford Shale using Fractal-Based, Stochastic Inversion – Canadian County, OK
Currently Employed by: Schlumberger

Qi Ren
PhD Geophysics, UT Austin, May ’16
Advisor: Sen/Spikes
Anisotropic Seismic Characterization of the Eagle Ford Shale: Rock-Physics Modeling, Stochastic Seismic Inversion, and Geostatistics
Currently Employed by: Google

A.J. Yanke
MS Geophysics, UT Austin, May ’16
Advisor: Spikes
Feasibility of Isotropic Inversion in Orthorhombic Media: The Barrett Unconventional Model
Currently Employed by: Statoil

Zeyu Zhao
PhD Geophysics, UT Austin, May ’16
Advisor: Sen/Stoffa
Efficient Seismic Imaging with Double Plane Wave Data
Currently Employed by: UTIG

Patrick Gustie
MS Geophysics, UT Austin, Dec ’14
Advisor: Tatham
Identifying Seismic Attributes to Estimate Vertical Transverse Isotropy
Currently Employed by: ExxonMobil

Russell Carter
PhD Geophysics, UT Austin, Dec ’14
Advisor: Spikes
Reservoir characterization for carbon sequestration
Currently Employed by: ConocoPhillips (Alaska)

Sarah Coyle
MS Geophysics, UT Austin, Aug ’14
Advisor: Spikes
Inversion of Seismic Data with and without Rock Typing
Currently Employed by: Chevron

Jacqueline Maleski
MS Geophysics, UT Austin, May ’14
Advisor: Tatham
Modeling Dispersion Effects in the Seismic Bandwith
Currently Employed by: ConocoPhillips (Houston)

Lauren Becker
MS Geophysics, UT Austin, May ’14
Advisor: Spikes
Finite-element Simulations of Fracture Networks
Currently Employed by: BP (Houston)

Makoto Sadahiro
MS Geophysics, UT Austin, May ’14
Advisor: Stoffa & Tatham
Processing Algorithm Development

Meijuan Jiang
PhD Geophysics, UT Austin, May ’14
Advisor: Spikes
Pore-stiffness, aspect ratio and composition effects on rock-physics modeling in the Haynesville Shale
Currently Employed by: Shell (New Orleans)

Terence Campbell
PhD Geophysics, UT Austin, Dec ’13
Advisors: Tatham / Sen
Corrections for distortion polarization in reflected shearwave for isotropic and anisotropic medium

Yang Xue
PhD Geophysics, UT Austin, Dec ’13
Advisor: Sen
Baysian inversion of land multicomponent data
Currently Employed by: Shell

Sharif Morshed
MS Geophysics,UT Austin, Dec ’13
Advisor: Tatham
Characterization of the Marcellus Shale
Currently Employed by: Task Fronterra Geosciences (Houston)

Mohammed Alhussain
PhD Geophysics, UT Austin, May ’13
Advisor: Sen
Frequency dependent anisotropy
Currently Employed by: Saudi Aramco

Kumar Das
MS Geophysics,UT Austin, May ’13
Advisor: Sen
Joint Inversion of Seismic and Gravity data for determination of Shiva Crater, India
TBD

Yi Tao
PhD Geophysics, UT Austin, Dec ’12
Advisor: Sen
Seismic interferometry and inversion
Currently Employed by: ConocoPhillips

Engin Alkan
PhD Geophysics, UT Austin, Dec ’12 & MS Geophysics, UT Austin, Aug ’07
Advisor: Hardage
Ent. Fall ‘10, PhD (Candidate)
Elastic Seismic Stratigraphy
Turkish National Oil Co. Scholar
Currently Employed by: Shell

Alexander Lamb
MS Geophysics, UT Austin, May ‘12
Advisor: Tatham
Characterization of Woodford Shale
Exploration Geophysics Fellowship (‘10)

Kwon Taek Oh
MS Geophysics, UT Austin, May ‘12
Advisor: Spikes
Rock physics description of Shale Gas ‘Reservoir’
Currently Employed by: KOGAS

Son Phan
MS Geophysics, UT Austin, Aug ‘11
Advisor: Sen
Uncertainty in reservoir parameter estimation
Currently Employed by: Bien Dong Petroleum Operating Company, Vietnam

Corey Joy
MS Geophysics, UT Austin, Aug ‘11
Advisor: Sen
Effective medium modeling of carbon sequestered reservoirs
Exploration Geophysics Fellowship (‘09)
Currently Employed by: BP

William Burnett
PhD Geophysics, UT-Austin, May ’11 – Advisors: Stoffa / Fomel
MS Geophysics, UT Austin May ’07 – Advisor: Ferguson
A General Transform for Reversible Seismic Data Processing
Exploration Geophysics Fellowship, ‘05
Exploration Geophysics Fellowship (‘05)
Currently Employed by: ExxonMobil

Alireza Shahin
PhD Geophysics, UT Austin, Jan ’11
Advisors: Stoffa / Tatham
Time Lapse Seismic Response to Production
Currently Employed by: BP (Houston)

Na Shan
MS Geophysics, UT Austin, Dec ’10
Advisor: Tatham
Seismic characterization of shale in research plays with multi-component data
Currently Employed by: Shell (New Orleans)

Diego Valentin
MS Geophysics, UT Austin, Aug ’10
Advisor: Tatham
Bossier Reservoir characterization with multi-component VSP and surface seismic data
Currently Employed by: Gran Tierra Energy (Bogotá)

Fang (Fiona) Ye
MS Geophysics, UT Austin, May ’10
Advisor: Tatham
Fracture Estimation in the Bakken Shale from 3C-3D data
Currently Employed by: BP (Houston)

Chunlei Chu
PhD Geophysics, UT Austin, Dec ’09
MS, UT Austin ‘07
Advisor: Stoffa
Application of Variable Grid Finite Differences to Seismic Imaging an Modeling
Currently Employed by: ConocoPhillips (Houston)

Jeffrey Kao
MS Geophysics, UT Austin, Dec ’09 & BS Geophysics, UT Austin, Dec ‘05
Advisor: Tatham
Application of Variable Grid Finite Differences to Seismic Imaging an Modeling
Currently Employed by: Venari Resources (Dallas)

Jonas de Basabe
PhD (CAM) completed in May ’09; UTIG Fellow ’09-’10
Advisors: Sen / Wheeler
Numerical Simulation of Elastic Wave Propagation
UTIG Fellow
Currently Employed by: CICESE (Ensenada)

Samik Sil
PhD Geophysics, UT Austin, May ’09
Advisor: Sen
Two-way travel time analysis for seismic reservoir characterization
Currently Employed by: OXY (Houston)

Anisa Perez
MS Geophysics, UT Austin, May ’09
Advisor: Tatham / Ferguson
Hybrid Gathers for Imaging and Processing to separate effects
of structure and anisotropy
Exploration Geophysics Fellowship (’06)
Currently Employed by: ConocoPhillips (Houston)

Chaoshun Hu
PhD Geophysics, UT Austin Dec ’08
Advisor: Stoffa / McIntosh
OBS and MCS Data Analysis for TAIGER Project, Offshore Japan
Currently Employed by: Chevron (San Ramon)

Daniel Smith
MS Geophysics, UT Austin, Aug ’08
Advisor: Sen
Seismic Trace Regularization and Datuming
Currently Employed by: Hess (Houston)

Tiancong Hong
PhD Geophysics, UT Austin, Aug ’08
Advisor: Sen
MCMC Algorithm, Integrated 4D Seismic Res. Char. and Uncertainty Analysis in a Bayesian Framework
Currently Employed by: ExxonMobil (Houston)

Ali Al-Jadhar
MS Geophysics, UT Austin, Aug ’08
Advisor: Stoffa
Prestack modeling of carbonate reservoirs
Saudi Aramco Scholar
Currently Employed by: Saudi Aramco (Dharan)

Abdulaziz Al-Muhadib
MS Geophysics, UT Austin, Aug ’08
Advisor: Sen/Tatham
Post-stack inversion for porosity estimation of carbonate reservoirs
Saudi Aramco Scholar
Currently Employed by: Saudi Aramco

Sanjay Sood
MS Geophysics, UT Austin, Dec ’07
Advisor: Sen/van Avendonk
Estimation of Q from seismic refractions data
Currently Employed by: ConocoPhillips (Houston)

Patricia Yu
MS Geophysics, UT Austin, Dec ’07
Advisor: Ferguson
Amplitude Preservation In Processing and Imaging of Seismic Data
Exploration Geophysics Fellowship (02′)
Currently Employed by: Shell (Houston)

Emily Pangborn
MS Geophysics, UT Austin, Dec ’07
Advisor: Bangs/Tatham
Thrust Fault from 3D Seismic: Nankai Subduction Zone, Japan
ConocoPhillips Fellowship, ’05
Currently Employed by: Chevron (Houston)

Nedra Bonal
PhD, UT Austin, Dec ’07
Advisor: Wilson
Fracture Characterization: Studies of Seismic Anisotropy and Trace Imaging with GPR
Currently Employed by: Sandia National Laboratory (Alburquerque)

Reeshidev Bansal
PhD Geophysics, UT Austin, May ’07
Advisor: Sen
Seismic Characterization of Naturally Fractured Reservoirs
Currently Employed by: ExxonMobil (Houston)

Samarjit Chakraborty
MS Geophysics, UT Austin, May ’07
Advisor: Ferguson
An Int. Geologic Model of the Valhall Oil Field for Simulation of Fluid Flow & Seismic Response
Currently Empolyed by: BP (Houston)

Christopher Sine
MS, UT Austin, May ’07
Advisor: Grand
Tomographic Velocity int. of the Upper Mantle, Colo Plateau
Exploration Geophysics Fellowship, ’04
Currently Employed by: California Resources Corporation (Bakersfield)

Kevin Bain
MS Geophysics, UT Austin, May ’07
Advisor: Tatham
Sensitivity of AVA Reflectivity to Fluid Hydrocarbon Properties in Porous Media
Currently – TBD

G. Russell Young
MS Geophysics, UT Austin May ’07
Advisor: Sen
Effective Porosity Estimation from 3D Seismic: Marco Polo Field
ConocoPhillips Fellowship (’04)
Currently Employed by: ExxonMobil (Houston)

Kathryn Young
MS Geophysics, UT Austin Dec ’06
Advisor: Tatham
False ‘Bright Spots’ & Discriminating Gas and Brine using AVO
Fullbright Scholar
Currently Employed by: EOG Resources (Houston)

Matt McDonald
MS Geophysics, UT Austin Dec ’06
Advisor: Tatham/Gulick
The Chicxulub impact crater and oblique impact
Currently Employed by: Shell (Brunei)

Eric Lyonford
MS Geophysics, UT Austin Dec ’06
Advisor: Tatham
Polarization Distortion of Shear Waves in Isotropic Media
ConocoPhillips Fellowship, ’03
Currently Employed by: ConocoPhillips (Houston)

Jason Gumble
PhD Geophysics, UT Austin Dec ’06
Advisor: Tatham
Anisotropic analysis of 3C data for OBC & comparison to 9C
Exploration Geophysics Fellowship, ‘00
ACS-PRF Funded Dissertation
Currently Employed by: Cimarex (Denver)

Chandan Kumar
PhD Geophysics, UT Austin Dec ’06
Advisor: Ferguson/Sen
Parameter Inversion for Seismic Anisotropy
Currently Employed by: BP (Houston)

Kimberly Kumar
MS Geophysics, UT Austin May ’06
Advisor: Ferguson
Pore Pressure Prediction Offshore Trinidad
BP Scholar
Currently Employed by: BP (Trinidad)

Sharon Goehring
MS Geophysics, UT Austin Dec ’05
Advisor: Tatham
Seismic AVO Response to Variations in SS Reservoir Properties
Exploraition Geophysics Fellowship, ‘03
Currently Employed by: ConocoPhillips (Houston)

Dhananjay Kumar
PhD Geophysics, UT Austin May ’05
Advisor: Sen/Stoffa
Analysis of multicomponent seismic data from the Hydrate Ridge, offshore Oregon
Currently Employed by: Chevron (Houston)

Carmen Gomez
MS Geophysics, UT Austin May ’05
Advisor: Tatham
Sensitivity of P-P, SH-SH and P-SV seismic refelctivity to partial gas saturation
PhD Standford

Jason Stine
MS Geophysics, UT Austin May ’04
Advisor: Tatham
Sensitivity of AVO reflectivity to fluid properties in porous media
Teaching in Austin

Matthew Morris
MS Geophysics, UT Austin May ’03
Advisor: Tatham
Analysis on P-P and P-SV AVO response
Exploration Geophysics Fellowship ‘01
Currently Employed by: Anadarko (Houston)

Chengshu Wang
PhD Geophysics, UT Austin June ’03
Advisor: Sen/Tatham
Inversion of P-P and P-SV data, separate density effect gas hydrates. (BSR)
Returned to China (PRC)

Patricia Montoya
PhD Geophysics, UT Austin, May ’06 & MS Geophysics, UT Austin, Dec ’02
Advisor: Fisher/Tatham
Characterization of a fractured SS reservoir from core to 3D seismic analysis in E. Maturin Basin, Ven.
PhD, UT Austin

Fernando Cerda
MS Geophysics, UT Austin, Dec ’01
Advisor: Fisher/Tatham
Teal South project: Compare Vp/Vs from shear (P-SV) & interpretation with AVO results
Currently Employed by: WesternGeco (Houston)

Chau Ao
MS Geophysics, NTNU ’01
Advisor: Tatham
Compare Vp/Vs interpretation between SH-SH and P-SV data
Currently Employed by: StatOil (Stavanger)

Helena Zirczy
MS Geophysics, UTAustin, Aug ’00
Advisor: Tatham
Multicomponent Seismic Interp. of the Second Wind Field, Kiowa and Cheyenne Counties, Colorado
Currently Employed by: Shell (New Orleans)