Ph.D., Assistant Professor, Hildebrand Department of Petroleum & Geosystems Engineering, University of Texas at Austin Co-Supervisor of Research Projects
Ph.D.
Ph.D., Professor, Hildebrand Department of Petroleum & Geosystems Engineering, University of Texas at Austin Co-Supervisor of Research Projects
Mohamad O. Abdo
Invasion of mud-filtrate invasion in spatially complex rocks (Fall 2020 – Summer 2024).
Pierre Aerens
Dynamic formation evaluation based on fractional flow theory of immiscible and miscible displacement (Fall 2016 – Spring 2022).
Almostafa Alhadi
Numerical simulation and interpretation of nuclear magnetic resonance measurements in heterogeneous formations. (Fall 2014 – Fall 2021).
Domenico Crisafulli
Laboratory experiments and numerical modeling of ultrasonic measurements of spatially complex rocks (Summer 2021 – Summer 2025).
Cristian Dominguez
Applications of data science and machine learning to formation evaluation (Fall 2020 – Summer 2024).
Tianqi Deng
Improved in-situ petrophysical assessment via Bayesian inversion of multiple borehole measurements and core data (Summer 2016 – Fall 2021)
Ali Eghbali
Interpretation of well logs and core measurements acquired in spatially complex rocks. (Fall 2019 – Fall 2022)
Gabriel Gallardo Giozza
Laboratory measurement of elastic properties of laminated rocks under stress (Fall 2017 –Summer 2023).
David Gonzalez Interpretation of well logs and core data acquired in laminated clastic sequences (Fall 2017 – Summer 2022).
Nadia Mouedden
Formation evaluation of CO2 subsurface sequestration projects (Spring 2023 – Summer 2027).
Tarek Mohamed
New methods for the interpretation of formation-tester measurements (Spring 2020 – Summer 2024).
Misael Morales
New methods for the interpretation of timelapse fiber optics measurements (Fall 2021 – Summer 2025).
Oriyomi Raheem
Applications of data science and machine learning to formation evaluation (Fall 2020 – Summer 2024).
Julio Villarroel Salvatierra
Formation evaluation and reservoir engineering of naturally occurring subsurface lithium deposits (Summer 2023 – Summer 2027).
Feiyue Xia
New methods for the interpretation of borehole acoustic measurements (Fall 2022 – Summer 2026).
Administrative Staff
Rey Casanova
Program coordinator. August 2003 – Present.
Software Development and Training
Joaquin Ambia-Garrido
Ph.D., Research Engineering/ Scientist Associate. Algorithm development and software implementation of UTAPWeLS. May 2014 – Present.
Bruce Klappauf
Ph.D., Research Engineering/ Scientist Associate. Algorithm development and software implementation of UTAPWeLS. October 2014 – Present.
Research Staff
Wardana Saputra
Ph.D. Research Associate. Three-dimensional modeling and inversion of deep‐sensing borehole electromagnetic measurements.
Jorge Ivan Amaro
Ph.D. Postdoctoral Fellow. Molecular simulations of magnetic resonance phenomena in porous rocks.
Former Research Staff
Camilo Gelvez
Research Engineer. New methods for the interpretation of well logs and core data acquired in Texas aquifers.
Junsheng Hou
Ph.D. Research Fellow. New methods for the interpretation of borehole resistivity and acoustic measurements.
Zhonghao Sun
Ph.D. Postdoctoral Fellow. Micro- and nano-fluidics modeling and experiments. January 2019 – Present.
Luis Calcada
Ph.D., Visiting Professor-Universidade Federal Rural do Rio de Janeiro. Drilling and invasion in the presence of oil-base muds: January 2009 – March 2010.
Wilberth Herrera
Ph.D., Research Fellow. Numerical simulation and interpretation of sonic logs. December 2013 – January 2017.
Junsheng Hou
September 2001 – August 2005
Guodong Jin
Ph.D., Postdoctoral Fellow. Numerical simulation of pore-scale phenomena: April 2006 – January 2009.
Guangzhi Liao
Visiting Ph.D. student-China University of Petroleum. Saturation effects on NMR measurements suing pore-level simulations.
Jun Ma
Ph.D., Research Associate. Numerical simulation and inversion of borehole sonic logs: February 2006 – 2014.
Pawel Matuszyk
Ph.D., Research Associate. Finite-element numerical simulation of multi-physics borehole measurements: July 2008 – December 2013.
Ayaz Mehmani
Ph.D., Postdoctoral Fellow. Conducting microfluidic and nanofluidic experiments to investigate pore-scale fluid physics of unconventional formations. February 2016 – Present.
David Medellin
Ph.D., Research Associate. Acquisition, modeling, and interpretation of nuclear magnetic resonance measurements of rocks. January 2014– Summer 2020.
Christian Michler
Ph.D.,Postdoctoral Fellow. Finite-element numerical simulation of borehole sonic phenomena: April 2006 – March 2008.
Myung Jin Nam
Ph.D., Postdoctoral Fellow. 3D numerical simulation and inversion of borehole resistivity measurements with the hp-adaptive finite-element method. February 2007 – February 2009.
Kyubo Noh
Ph.D. Postdoctoral Fellow: Interpretation of deepsensing electromagnetic measurements. August 2019-July 2021.
Maciej Paszyński
Ph.D., Postdoctoral Fellow. Finite-element numerical simulation of borehole EM phenomena: June – August 2006.
Aymeric-Pierre B Peyret
Ph.D., Research Fellow. Interpretation of well logs and core measurements acquired in spatially complex rocks. February 2019 – 2020.
Roger Terzian
Ph.D., Engineering Scientist Associate. Software and IT support and licensing of UTAPWeLS. August 2013 – 2020.
Gong Li Wang
Research Associate. Numerical simulation and inversion of resistivity and sonic logs: October 2005 – December 2008.
Ruijia Wang
Ph.D., Postdoctoral Fellow. November 2012– 2015.
Yixian Xu
March 2005 – October 2005
Qinshan Yang
Ph.D., Postdoctoral Fellow. Bayesian inversion of borehole measurements: April 2010 – 2015.
Wei Yang
Ph.D., Postdoctoral Fellow. Numerical simulation and inversion of subsurface EM phenomena. February 2005 – November 2006.
Peimin Zhu
Ph.D., Postdoctoral Fellow. Joint inversion of density and borehole resistivity measurements using a Bayesian approach. March 2007 – September 2007
Visiting Scholars
Nazanin Jahani
Fulbright Scholar. Numerical simulation and inversion of deep-sensing borehole electromagnetic measurements.
Former Students
Haryanto Adiguna
Master’s Thesis: Comparative Study for the Interpretation of Mineral Concentrations, Total Porosity, and TOC in Hydrocarbon-Bearing Shale from Conventional Well Logs (Fall 2010 – Summer 2012).
Oyinkansola Ajayi
Ph.D. Thesis: Numerical Simulation and Interpretation of Neutron-Induced Gamma-Ray Spectroscopy Measurements (Fall 2009 – Summer 2015).
Mohammad Albusairi
Numerical simulation and interpretation of nuclear magnetic resonance measurements in heterogeneous formations. (Fall 2014 – Fall 2021).
Omer F Alpak
Ph.D. Thesis: Ph.D. Thesis: A Multi-Physics Inversion Approach for the Joint Petrophysical Interpretation of Electromagnetic and Fluid-Flow Measurements (Spring 2000 – Fall 2004).
Naif Al-Rubaie
New methods of storage/flow rock classification (Fall 2016 – Summer 2018).
Renzo Angeles-Boza
Ph.D. Thesis: Simulation and Interpretation of Formation-Tester Measurements Acquired in the Presence of Mud-Filtrate Invasion, Multi-Phase Flow, and Deviated Wellbores (Fall 2005 – Spring 2009).
Abhishek Bansal
Masters Thesis: Improved Petrophysical Evaluation of Consolidated Calcareous Turbidite Sequences with Multi-Component Induction, NMR, Resistivity Images, and Core Measurements (Fall 2010 –December 2012).
Mohamed Bennis
Advanced methods for the interpretation of borehole measurements and core data acquired in spatially heterogeneous rocks (Fall 2015 – Fall 2021).
Joshua Bautista-Anguiano
Numerical simulation and interpretation of borehole spontaneous potential and resistivity measurements (Spring 2014 – Summer 2021).
Olga M Campos
Master’s Thesis: Spatial Distribution of Calcite Concretions Inferred from Borehole Image Data and Their Use in Reservoir Modeling: an Application to Breitbrunn Field (Spring 2001 – Fall 2002).
Shihong Chi
Ph.D. Thesis: Simulation of Wave Propagation in Boreholes and Radial Profiling of Formation Elastic Properties (Fall 2001 – Fall 2003).
Subhadeep Chowdhury
Master’s Thesis: Interpretation of Borehole Measurements Acquired in Laminated Clastic Sequences Subject to Mud-Filtrate Invasion (Fall 2002 – Spring 2004).
Arturo Contreras
Ph.D. Thesis: Spatial Delineation, Fluid-Lithology Characterization, and Petrophysical Modeling of Deepwater Gulf of Mexico Reservoirs Through Joint AVA Deterministic and Stochastic Inversion of 3D Partially-Stacked Seismic Amplitude Data and Well Logs (Fall 2001 – Spring 2006).
Tianqi Deng
Improved in-situ petrophysical assessment via Bayesian inversion of multiple borehole measurements and core data (Summer 2016 – Fall 2021)
Juan D Escobar
Ph.D. Thesis: Perturbation Methods for Rapid Modeling and Inversion of Single-Phase Pressure Diffusion Measurements (Fall 2013 – Summer 2017).
Elton Ferreria
Master’s Thesis: Improved Estimation of Pore Connectivity and Permeability in Deepwater Carbonates with the Construction of Multi-Layer Static and Dynamic Petrophysical Models (Spring 2011 – Spring 2014).
Amir Frooqnia
Ph.D. Thesis: Numerical Simulation and Interpretation of Borehole Fluid-Production Measurements (Spring 2010 – Spring 2014).
Maika Gambús-Ordaz
Ph.D. Thesis: Quantitative Integration of 3D seismic Data, Well-Logs, Geological Information, and Production Data: Assessing Uncertainty in Dynamic Behavior with Applications to a Gulf-of-Mexico Deepwater Gas Reservoir (Fall 1999 – Fall 2003).
Guozhong Gao
Ph.D. Thesis: Simulation of Borehole Electromagnetic Measurements in Dipping and Anisotropic Rock Formations and Inversion of Array Induction Data (Fall 2000 – Spring 2005).
Camilo Gelvez
New interpretation methods for formation-tester measurements (Fall 2017 – Summer 2021).
Bovan George
Master’s Thesis: A Case Study Integrating the Physics of Mud-Filtrate Invasion with the Physics of Resistivity Logging (Fall 2001 – Spring 2003).
Ankur Ghandi
Construction of Static and Dynamic Multi-Layer Petrophysical Models in Camisea Gas Reservoirs, Peru (Fall 2008 – Summer 2010).
David Gonzalez
Masters Thesis: Quantitative methods for quantification of degree of lamination and volumetric concentration of shale (Spring 2013 – December 2015).
Alvaro Grijalba-Cuenca
Master’s Thesis: Geostatistical Inversion for the Extrapolation of Petrophysical Variables Laterally Away From the Well (Fall 1999 – Fall 2000).
Hamid Hadibeik
Ph.D. Thesis: Streamlined-Based Modeling and Interpretation of Formation-Tester Measurements (Spring 2010 – Fall 2013).
Zoya Heidari
Ph.D. Thesis: Estimation of Static and Dynamic Petrophysical Properties from Well Logs in Multi-Layer Formations (Fall 2007 – Summer 2011).
Shan Huang
Ph.D. Thesis: Fast Forward Modeling and Inversion of Borehole Sonic Measurements using Spatial Sensitivity Functions (Spring 2010 – Spring 2015).
Olabode Ijasan
Ph.D. Thesis: Inversion-Based Petrophysical Interpretation of Logging-While-Drilling Nuclear and Resistivity Measurements (Spring 2010 – Summer 2013).
Kanay Jerath
Master’s Thesis: Reconciliation of Two-Dimensional NMR Measurements with the Process of Mud-Filtrate Invasion: Synthetic and Field Examples (Fall 2009 – Summer 2011).
Shaina Kelly
Ph.D. Thesis: Using Nanofluids and Microscopy to Study Unconventional Pore-Scale Transport Phenomena (Fall 2011 – Summer 2015).
Essi Kwabi
Master’s Thesis: Mineral, Fluid, and Elastic Property Quantification from Well Logs and Core Data in the Eagle Ford Shale Play: a Comparative Study (Fall 2011 – Summer 2013).
Hee Jae Lee
Ph.D. Thesis: Simulation and Interpretation of Formation-Tester Measurements Acquired in the Presence of Mud-Filtrate Invasion and Geomechanical Deformation (Spring 2003 – Spring 2008).
Hyungjoo Lee
Estimation of in-situ fluid properties from combined interpretation of dielectric, nuclear, optical, and magnetic resonance measurements (Spring 2014 – Spring 2018).
Malek Lemkecher
Master’s Thesis: Interactive Interpretation of Nuclear Logs with Fast Modeling Procedures (Summer 2007 – Summer 2009).
Zhipeng Liu
Master’s Thesis: Joint Inversion of Density and Resistivity Logs for the Improved Petrophysical Assessment of Thinly-Bedded Clastic Rock Formations (Spring 2006 – Fall 2007).
Jingxuan Liu
New interpretation methods for borehole acoustic logs via fast numerical modeling (Spring 2017 – Spring 2022).
Mathilde Luycx
Ph.D. Thesis: Physics and Rapid Forward Modeling of Logging-While-Drilling Neutron-Gamma Density Measurements (May 2018)
Elsa Maalouf
Ph.D. Thesis: Rapid Modeling and Inversion-Based Interpretation of Borehole Acoustic Measurements Acquired in Isotropic and Vertical Transversely Isotropic Formations. (Fall 2013 – Fall 2017).
Mayank Malik
Ph.D. Thesis: Numerical Simulation and Interpretation of Formation-Tester Measurements Acquired in the Presence of Mud-Filtrate Invasion (Summer 2004 – Spring 2008).
Robert Mallan
Ph.D. Thesis: Interpretation of Multi-Component Induction and Sonic Measurements Acquired in High-Angle Wells and Joint 1D Radial Inversion of Resistivity and Sonic Logs (Fall 2005 – Spring 2010).
Philippe Marouby
Master’s Thesis: Estimation of Elastic Properties of Hydrocarbon-Bearing Shale by Combining Effective-Medium Calculations, Conventional Well Logs, and Dispersion Processing of Sonic Waveforms (Fall 2009 – Summer 2011).
Adam McMullen
Master’s Report: Study of Liquid-Coupled Ultrasonic Techniques to Evaluate Elastic Wave Propagation in Rocks (Fall 2015 – Summer 2017).
Alberto Mendoza
Ph.D. Thesis: Rapid Numerical Simulation and Inversion of Nuclear Borehole Measurements Acquired in Vertical and Deviated Wells (Fall 2005 – Spring 2009).
German Merletti
Master’s Thesis: Extrapolation of Elastic and Petrophysical Properties from Wells Using 3D Prestack Seismic Amplitude Data (Fall 2004 – Summer 2006).
Jordan Mimoun
Masters Thesis: Quantitative Interpretation of Pulsed Neutron Capture Logs: Fast Numerical Simulation and Inversion in Thinly-Bedded Formations (Fall 2008 – Summer 2010).
Luis Javier Miranda
Master’s Thesis: Mud-Filtrate Invasion Modeling to Quantify Static and Dynamical Petrophysical Properties of Fractured and Vuggy Carbonate Formations (Scholarship from Petroleos de Venezuela, S.A.) (Summer 2006 – Spring 2008).
Siddharth Mishra
Ph.D. Thesis: Wideband Directional Complex Electrical Conductivity of Geomaterials: a Mechanistic Description (Fall 2010 – Summer 2015).
Ali Moinfar
Master’s Thesis: Time-Lapse Variations of Multi-Component Electrical Resistivity Measurements Acquired in High-Angle Wells, August 2009.
Antoine Montaut
Masters Thesis: Estimation of elastic properties of hydrocarbon-bearing shale from well logs (Fall 2010 – Fall 2012).
Tobiloluwa B Odumosu
Master’s Thesis: Estimation of Dry-Rock Elastic Moduli Based on the Stimulation of Mud-Filtrate Invasion Effects on Borehole Acoustic Logs (Fall 2005 – Fall 2007).
Dipo Olukitibi
Construction of static multi-layer petrophysical models in multi-mineral formations (Fall 2012 – Spring 2014).
Edwin Ortega
Ph.D. Thesis: Inversion-Based Petrophysical Interpretation of Multi-Detector Logging-While-Drilling Sigma Measurements (Spring 2010 – Spring 2014).
Mauro Palavecino
Master’s Thesis: New Methods of Petrophysical Rock Classification Based on MICP and Grain-Size Distribution Measurements with Applications in Carbonates and Tight-Gas Sandstones (Fall 2014 – Fall 2016).
Wen Pan
Two-phase rock classification and simulation of time records of hydrocarbon production measurements (Fall 2017 – Fall 2021).
Aymeric-Pierre B Peyret
Master’s Thesis: Assessment of Shoulder-Bed, Invasion, and Lamination effects on Borehole Sonic Logs (Fall 2004 – Spring 2007).
Andy Popielski
Master’s Thesis: Rock Classification from Conventional Well Logs in Hydrocarbon-Bearing Shale (Fall 2009 – Summer 2011).
Rohollah Abdollah Pour
Ph.D. Thesis: Equation-of-State, Compositional, One-Dimensional Radial Flow Method to Simulate Invasion and Fluid Withdrawal in the Presence of Oil- or Water-Base Muds (Summer 2008 – Fall 2011).
Thaimar Ramirez
Master’s Thesis: Numerical Simulation of Dual-Packer Formation-Tester Measurements in the Presence of Naturally Fractured Formations (Spring 2003 – Fall 2004).
Vivek R. Ravi
Master’s Thesis: Mixing Laws and Fluid Substitution for Interpretation of Magnetic Resonance Measurements December 2016 (Fall 2014 – Fall 2016).
Jackline Renno
Master’s Thesis: Sensitivity Analysis of Fluid Density from Multi-Phase Wireline Formation Tester Measurements in the Presence of Invasion (Fall 2003 – Summer 2004).
Amir Reza-Rahmani
Master’s Report: Numerical Simulation of Water- and Oil-Base Mud-Filtrate Invasion in Vertical and High-Angle Wells and Corresponding Impact on Monopole and Dipole Sonic Waveforms (Fall 2007 – Summer 2009).
Jesus Mauricio Salazar
Ph.D. Thesis: Simulation and Inversion of Borehole Electromagnetic Measurements for the Estimation of Petrophysical Properties in the Presence of Mud-Filtrate Invasion. (Fall 2004 – Fall 2008).
Jorge Sanchez
Master’s Thesis: Field Examples of the Combined Petrophysical Inversion of Gamma-Ray, Density, and Resistivity Logs Acquired in Thinly-Bedded Clastic Rock Formations (Summer 2007 – Summer 2009).
Paul Sayar
Ph.D. Thesis: Development of Effective Medium Models for Quantification of Elastic Properties and Modeling of Velocity Dispersion of Saturated Rocks (Fall 2011 – Summer 2015).
Vahid Shabro
Ph.D. Thesis: Numerical Modeling of Petrophysical Properties with Applications to Hydrocarbon-Bearing Shale (Spring 2009 – Fall 2013).
Colin Schroeder
Interpretation of well logs and formation-tester measurements in the presence of invasion and capillary transitions (Spring 2015 – Fall 2021).
Valeriia Sobolevskaia
Inversion-based petrophysical interpretation of bulk density and P- and S-wave acoustic slownesses (Fall 2018 – Summer 2020).
Tatyana Torskaya
Ph.D. Thesis: Pore-Scale Analysis of Grain Shape and Sorting Effects on Fluid Transport Phenomena in Porous Rocks (Fall 2006 – Fall 2013).
Emmanuel Toumelin
Ph.D. Thesis: Pore-Scale Petrophysical Models for the Simulation and Combined Interpretation of Nuclear Magnetic Resonance and Wide-Band Electromagnetic Measurements(Fall 2001 – Spring 2006).
Echezona Uzoh
Master’s Thesis: Quantitative Studies of Relative Dip Angle and Bed-Thickness Effects on LWD Density Images Acquired in High-Angle and Horizontal Wells (Spring 2006 – Summer 2007).
Omar J Varela
Ph.D Thesis: Stochastic Inversion of Pre-Stack Seismic Data to Improve Forecasts of Reservoir Production (Fall 2000 – Summer 2003).
Nathan Vrubel
Master’s Thesis: Statistical Partitioning of Well Logs and Core Measurements to Detect and Quantify Petrophysical Properties (Fall 2005 – Summer 2007).
You Wang
Fluid substitution methods for the interpretation of NMR measurements (Fall 2016 – Summer 2023).
Jianghui Wu
Ph.D. Thesis: Numerical Simulation of Multi-Phase Mud-Filtrate Invasion and Inversion of Formation Tester Data (Fall 1999 – Spring 2004).
Chicheng Xu
Ph.D. Thesis: Reservoir Description with Well-Log-Based and Core-Calibrated Petrophysical Rock Classification (Spring 2009 – Summer 2013).