Dimitrios Georgios Hatzignatiou
Interim Department Chair and ProfessorOffice Location Technology Bridge, Building 9, Room 219
Phone Office: (713) 743-9172 | Fax: (713) 743-0795
Email dghatzignatiou [at] uh.edu
Education
Ph.D. Petroleum Engineering, University of Tulsa (TU)
Advanced Studies in Applied Mathematics, University of Tulsa (TU)
MSc Petroleum Engineering, University of Alaska Fairbanks (UAF)
Diploma (Five Years) Mining & Metallurgical Engineering, National Technical University of Athens (NTUA)
Appointments
2024 - Present: Professor and Interim Department Chair, Petroleum Engineering Department, University of Houston (UH)
2016 - Present: Professor, Petroleum Engineering Department, University of Houston (UH)
2006 - 2016: Professor II COREC (Center of Oil Recovery), Institute of Petroleum Technology, University of Stavanger (UiS), Norway
2011 - 2012: Acting Managing Director, IRIS Environment, International Research Institute of Stavanger (IRIS), Norway
2010 - 2016: Chief Technical Director, IRIS Energy, International Research Institute of Stavanger (IRIS), Norway
2005 - 2010: Research Director, Reservoir and Geomodeling, IRIS Energy, International Research Institute of Stavanger (IRIS), Norway
2003 - 2005: Chief Technical Engineering Consultant, Energy Consultants, Europe
1996 - 2003: Several Senior Technical and Management Positions, SLB, Scandinavia, Eastern Hemisphere, Europe/CIS/Africa, North America
1990 - 1996: Tenured Associate & Assistant Professor, Petroleum Engineering Department, University of Alaska Fairbanks (UAF)
Teaching
Courses Taught @ University of Houston
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PETR 7342 - Advanced Reservoir Engineering (TBD)
PETR 6397 - Carbon Capture Utilization and Storage
PETR 6354 - Reservoir Engineering Fundamentals
PETR 6342 - Carbon Capture Utilization and Sequestration
PETR 6314 - (Advanced) Pressure Transient Testing
PETR 5397 - Carbon Capture Utilization and Storage
PETR 5356 - Well Completion and Stimulation
PETR 5302 - Reservoir Engineering II
PETR 3362 - Reservoir Engineering I
PETR 3321 - Petroleum Pressure Transient Testing
PETR 3318 - Drilling Engineering
PETR 2311 - Petrophysics
PETR 1111 - Introduction to Petroleum Engineering
Selected Professional Activities/Honors
ORISE Faculty - 7 years
Outstanding UAF Petroleum Engineering Faculty Member (3 consecutive times)
Feist/Schamel Award - Outstanding Faculty Undergraduate Academic Advising
Outstanding Achievement Award - Faculty Advisor to UAF SPE Chapter
Lifetime SPE Member
SPE 25-Year Club Member
SPE "A Peer Apart" Honoree
SPE Editorial Review Committee Award of Achievement
Chairman - SPE Journals - Publication Quality Review Task Force
Management Board CO2 GeoNet – Network of Excellence on Geological Sequestration of CO2
European Association of Geologists and Engineers (EAGE) – Lecturer on CO2 Capture (Utilization) and Sequestration (CCS & CCUS)
ENeRG Network - Norway Representative
OG21 Force Member on Reservoir Characterization - Norway
Numerous SPE Technical Committees Member & Sessions Chairman
EAGE CO2 Storage Workshop Chairman - Stavanger Norway
Board Member - Foundation of Research and Technology, Institute of Geoenergy
Center for Carbon Management in Energy Core Faculty
Chartered Engineer (CEng)
Registered European Engineer (EUR ING)
ORISE Faculty - Summer Appointment (Summer 1995)
ORISE/NETL – Pittsburgh, PA and Morgantown, WV (2017-2024)
Associate Editor - SPE Formation Evaluation Journal & SPE Reservoir Evaluation and Engineering Journal (1994-2018)
Candidate for the Cedric K Ferguson Medal 2017 Award
ABET Accreditation Chairman (2017-2020), UH
SACS Accreditation Chairman (2017-2020), UH
Faculty Advisor, AADE Student Chapter, UH
Faculty Advisor, SPE Student Chapter, UAF
Faculty Advisor, SWE Student Chapter, UAF
Pi Epsilon Tau, Petroleum Engineering Honors Society, UH
Tau Beta Pi, Lifetime member, Engineering Honors Society, TU
SPE – Certificate of Recognition – Associate Editor 2007-2023 (2023)
SPE Editorial Review Committee Awards - Outstanding Associate Editor (2010)
SPE Editorial Review Committee Awards - Outstanding Technical Editor (2006)
SPE Editorial Review Committee Awards - Outstanding Technical Editor (2001)
SPE Editorial Review Committee Awards - Outstanding Technical Editor (2000)
SPE Editorial Review Committee Awards - Outstanding Technical Editor (1999)
SPE Editorial Review Committee Awards - Outstanding Technical Editor (1998)
SPE Editorial Review Committee Award of Appreciation - Best Technical Editor (1996)
SPE Editorial Review Committee Awards - Outstanding Technical Editor (1996)
SPE – Certificate of Recognition – SPE Student Chapter Faculty Advisor 1991-1995
SPE Editorial Review Committee Awards - Outstanding Technical Editor (1995)
SPE Editorial Review Committee Awards - Outstanding Technical Editor (1994)
SPE Editorial Review Committee Award of Achievement (1994)
Research Interests
Reservoir Engineering
Energy Transition
CCS & CCUS
Geothermal Energy
EOR/IOR
Reservoir Characterization
Production Optimization
Reservoir Simulation
Water Management
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CURRENT RESEARCH PROJECTS
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Collaboration with Computer Modelling Group (CMG) on Carbon Sequestration Simulation
CoFLOW Simulation
CO2LINK Simulation
Statistical Analysis and Lookback Study – Paleogene. PI: Dr. Wong - 2025-2026
CarbonSAFE II - Omnia Permian Basin Sequestration: DOE CarbonSAFE Phase II Project - 2024-2027.
CarbonSAFE III - Four Corners Carbon Storage Hub: DOE CarbonSAFE Phase III Project - 2024-2027.
RITAP – Regional Initiative for Technical Assistance Partnerships – Permian Basin to Advance Deployment of Basin-Scale CCS & Community Engagement - Funded DOE Project - 2025-2028
RITAP – Regional Initiative for Technical Assistance Partnerships – Gulf of Mexico Basin Opportunities (GuMBO) – Funded DOE Project - 2025-2028
Enhanced Gas Recovery for Blue Hydrogen (EGRBH) Generation - Center for Carbon Management in Energy - 2022 - 2024.
Carbon Capture and Storage in Depleted Gas Fields along the Gulf of Mexico Coast - Center for Carbon Management in Energy - 2020 - 2022.
Blue hydrogen generation, distribution and storage
Carbon sequestration in saline aquifers
Polymer and silicate gels for subsurface fluid flow profile modification
Flow of non-Newtonian fluids through porous media
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PROFESSIONAL AFFILIATIONS
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- Research Professor - Energy Transition Institute (ETI) - Division of Energy & Innovation - UH Energy
- Research Professor - Center for Carbon Management in Energy (CCME) - Division of Energy & Innovation - UH Energy
Selected Publications
- Okere, C.J., and Hatzignatiou, D.G.: "Integrated surface-wellbore-reservoir modeling of CO2 injection for geological storage: Coupled Flow Dynamics, Phase Transitions, and Storage Efficiency". Paper accepted for publication. Gas Science and Engineering (2026).
- Jahan, L.N., Okere, C.J., and Hatzignatiou, D.G.: “Coupled Multiphysics Mechanisms, Impurity Effects, and Operational Insights for CO₂ Storage in Depleted Gas Reservoirs”. Paper accepted for publication. Energy Geosciences (2026).
- Okere, C.J., Hatzignatiou, D.G. and Wanambwa, S.: "Mitigating Injectivity Loss During Phase-coupled CO₂ Injection Into Depleted Gas Reservoirs: Mechanisms, Modeling, And Operational Guidelines". Paper SPE-231500-MS, 2026 SPE Improved Oil Recovery Conference, Tulsa, Oklahoma, USA, April, 21-23.
- Li, Z., Hatzignatiou, D.G., Ehlig-Economides, C., and Nikolaou, M., "Optimization of Enhanced CO2 Storage and Natural Gas Recovery from a Natural Gas Reservoir with an Underlying Confined Aquifer". Paper SPE-232909-MS, 2026 Pacific Section AAPG / SPE Western Regional Joint Meeting, Bakersfield, California, USA, April 12-16.
- Wanambwa, S., Okere, C.J., and Hatzignatiou, D.G. "A Review and Outlook on Experimental Advances and Innovations in Geological CO₂ Storage: Insights from Depleted Gas Reservoirs and Saline Aquifers. Energy & Fuels (Feb. 2, 2026). https://doi-org.ezproxy.lib.uh.edu/10.1021/acs.energyfuels.5c06384.
- Li, Z., Hatzignatiou, D.G. and Ehlig-Economides, C.: "Carbon Neutral Economic Viability of Enhanced CO2 Storage and Gas Recovery in Natural Gas Reservoirs Under Strong Bottom Water Drive." Paper SPE-225593-PA, SPE Journal, Dec. 2025. https://doi.org/10.2118/225593-PA.
- Donaire, A.M. and Hatzignatiou, D.G. "The Future of Hydrogen in Spain: A Monte Carlo Probabilistic Cost Analysis," International Journal of Green Energy. (Nov. 2025). https://doi.org/10.1080/15435075.2025.2584112.
- Li, Z., Hatzignatiou, D.G. and Ehlig-Economides, C.: "Carbon Neutral Economic Viability of Enhanced CO2 Storage and Gas Recovery in Natural Gas Reservoirs Under Strong Bottom Water Drive." Paper SPE-225593-MS, 2025 SPE Europe Energy Conference & Exhibition, Vienna, Austria (10-12 June 2025).
- G. Yan, P.Ø. Andersen, Y. Qiao, D.G. Hatzignatiou and T. Kohl: "Impact of Wellbore Lateral Heat Transfer on the Performance of High-Temperature Aquifer Thermal Energy Storage System," European Association of Geoscientists & Engineers, IOR+ 2025 - 23rd European Symposium on IOR, Apr 2025, Volume 2025, p.1 - 10, DOI: https://doi.org/10.3997/2214-4609.202531057
- Yan, G., Andersen, P.Ø, Qiao, Y., Hatzignatiou, D.G., Feng, B., and Kohl, T.: "Investigating the Impact of Wellbore Lateral Heat Transfer on the Performance of High-Temperature Aquifer Thermal Energy Storage System by the Coupling of Wellbore and Reservoir Simulators." Geoenergy Science and Engineering, Available online 2 April 2025, 213874 https://www.sciencedirect.com/science/article/pii/S2949891025002325
- Aruah, B., Seema, A., Hatzignatiou, D.G., and Sakhaee-Pour, A.: "Prediction of CO2 Breakthrough Pressure Through a Shale Caprock Formation – A Machine Learning Approach." Paper under review for Journal publication.
- Mukhtar, M., Hatzignatiou, D.G., and Ehlig-Economides, C.: “Extended Aquifer System Pressure Behavior Under Carbon Storage,” SPE 214868-PA. SPE J. Journal (June 2024). ). https://doi.org/10.2118/214868-PA.
- Yan, G., Andersen, P.Ø, Qiao, Y., Hatzignatiou, D.G., Nitschke, F., Spitzmüller, L., and Kohl, T.: "Simulation of Temperature-Reporting Nanoparticle Tracers for Fractured Geothermal Reservoirs Characterization." European Association of Geoscientists & Engineers, June 2024. https://doi.org/10.3997/2214-4609.202410850.
- Aruah, B., Sakhaee-Pour, A., and Hatzignatiou, D.G.: "Alteration of pore structure and effects on critical properties of shale formations undergone cryogenic thermal shock." Geoenergy Science and Engineering. June 2024. https://doi.org/10.1016/j.geoen.2024.213002.
- Yan, G., Andersen, P.Ø, Qiao, Y., Hatzignatiou, D.G., Nitschke, F., Spitzmüller, L., and Kohl, T.: "Numerical modeling of temperature-reporting nanoparticle tracer for fractured geothermal reservoir characterization." Geoenergy Science and Engineering, March 2024. https://doi.org/10.1016/j.geoen.2024.212787.
- Aruah, B., Sakhaee-Pour, A., Hatzignatiou, D.G., Sadooni, F., and Al-Kuwari, H.: "Altering Shale Permeability by Cold Shock." Gas Science and Engineering, March 2024. https://doi.org/10.1016/j.jgsce.2024.205291.
- Li, Z., Hatzignatiou, D.G., and Ehlig-Economides, C.: "Carbon Dioxide Storage in a Natural Gas Reservoir under Strong Bottom Water Drive." SPE-CCUS-2024-4012897. SPE-AAPG-SEG CCUS Conference, March 11-13, 2024, Houston TX, USA. https://doi.org/10.15530/ccus-2024-4012897.
- Qiao, Y. and Hatzignatiou, D.G.: "Analytical Solution for Chemical Fluid Injection into Linear Heterogeneous Porous Media Based on the Method of Characteristics." Chemical Engineering Science (2023). https://www.sciencedirect.com/science/article/pii/S000925092300893X?dgcid=author.
- Mukhtar, M., Hatzignatiou, D.G., and Ehlig-Economides, C.: “Extended Aquifer System Pressure Behavior Under Carbon Storage,” SPE 214868-MS, SPE ATCE, San Antonio TX, Oct. 16-18, 2023. https://doi-org.ezproxy.lib.uh.edu/10.2118/214868-MS.
- Ehlig-Economides, C. and Hatzignatiou, D.G., "Energy Analysis of Low Carbon Hydrogen from Methane and End Use Implications", Energy & Fuels, 2022. https://doi.org/10.1021/acs.energyfuels.2c01258.
- Hatzignatiou, D.G. and Ehlig-Economides, C.: "Coupled Enhanced Natural Gas Recovery and Blue Hydrogen (EGRBH) Generation," paper SPE-210356-MS, SPE Annual Technical Conference and Exhibition (ATCE), Houston, TX, Oct. 3 - 5, 2022. https://doi.org/10.2118/210356-MS.
- Song, W. and Hatzignatiou, D.G.: "On the Reduction of the Residual Oil Saturation through the Injection of Polymer and Nanoparticle Solutions," Journal of Petroleum Science and Engineering, 208, Part B, 109430 (Jan. 2022). https://doi.org/10.1016/j.petrol.2021.109430
- Ehlig-Economides, C. and Hatzignatiou, D.G., "Blue Hydrogen Economy - A New Look at an Old Idea," paper SPE-206282-MS, SPE Annual Technical Conference and Exhibition (ATCE), Dubai, UAE, Sept. 21 - 23, 2021. https://doi.org/10.2118/206282-MS
- Askarinezhad, R., Hatzignatiou, D.G., and Stavland, A.: "Associative Polymers for Disproportionate Permeability Reduction – Formation Wettability Effects," PETROL 109060, Journal of Petroleum Science and Engineering (June 8, 2021). https://doi.org/10.1016/j.petrol.2021.109060 or https://authors.elsevier.com/a/1dFPv3HHl69lHA
- Zhou, Y., Hatzignatiou, D.G., Helland, J.O., Zhao, Y, and Cai, J. "Pore-Scale Modelling of Three-Phase Capillary Pressure Curves Directly in Uniformly Wet Rock Images". Geofluids, 2021 (6622079), 1-15, Jan. 6, 2021. https://doi.org/10.1155/2021/6622079
- Hatzignatiou, D.G.: "Sweep Improvements: Mobility and Conformance Control," Chalk Monograph, Chapter 20, 305 - 324 (September 2019).
- Olsen, H., Hatzignatiou, D.G., and Jørgensen, O.: "Reservoir Modeling in Naturally Fractured Carbonate Formations," Chalk Monograph, Chapter 13, 193 - 212 (September 2019).
- Hatzignatiou, D.G., Giske, N.H., and Stavland, A.: "Polymer and Polymer-Based Gelants for Improved Oil Recovery and Water Control Applications in Naturally Fractured Chalk Formations," Chemical Engineering Sciences, 187, 302 – 317, September 2018. https://doi.org/10.1016/j.ces.2018.04.064.
- Hatzignatiou, D.G. and Giske, N.H.: "Water-Soluble Sodium Silicate Gelants for Water Management in Naturally Fractured Carbonate Reservoirs," Chemical Engineering Research and Design, 132, 40-56, March 2018. https://doi.org/10.1016/j.cherd.2017.11.041.
- Askarinezhad, R., Hatzignatiou, D.G., and Stavland, A.: "Core-Based Evaluation of Associative Polymers as Enhanced Oil Recovery Agents in Oil-Wet Formations," ASME Journal of Energy Resources Technology, 140 (3), 032915-1 – 032915-9, JERT-17-1418, 2018. doi:10.1115/1.4038848. http://energyresources.asmedigitalcollection.asme.org/article.aspx?articleid=2668240.
- Hatzignatiou, D.G., Giske, N.H., and Strand, D.: “Water-Soluble Silicate Gelants: Comparison and Screening for Conformance Control in Carbonate Naturally Fractured Reservoirs,” Journal of Non Crystalline Solids, 479 (1), 72-81, January 2018. https://doi.org/10.1016/j.jnoncrysol.2017.10.024.
- Zhou, Y., Hatzignatiou, D.G., and Helland, J.O. “On the Estimation of CO2 Capillary Entry Pressure: Implications on Geological CO2 Storage.” Journal of Greenhouse Gas Control, 63, 26-36, August (2017). https://doi.org/10.1016/j.ijggc.2017.04.013.
- Askarinezhad, R., Hatzignatiou, D.G., and Stavland, A.: "Disproportionate Permeability Reduction of Water-Soluble Silicate Gelants - Importance of Formation Wettability," SPE 179589-MS, SPE Improved Oil Recovery Conference, Tulsa Oklahoma, April 9-13, 2016; SPE 179589-PA, SPE Production and Operations, 32 (03), 362-373, Aug. 2017. DOI: 10.2118/179589-PA. https://doi.org/10.2118/179589-PA.
- Askarinezhad, R., Hatzignatiou, D.G., and Stavland, A.: "Associative Polymers as Enhanced Oil Recovery Agents in Oil-Wet Formations: A Laboratory Approach," EAGE paper, IOR NORWAY 2017 - 19th European Symposium on Improved Oil Recovery, Stavanger, Norway, 24-27 Apr., 2017. https://www.earthdoc.org/content/papers/10.3997/2214-4609.201700275
- Askarinezhad, R. and Hatzignatiou, D.G..: "Improved Disproportionate Permeability Reduction of Silicate-Gelant Treatments: A Laboratory Scale Approach," SPE 184563-MS, SPE International Conference on Oilfield Chemistry, Montgomery, Texas, USA, 3-5 Apr., 2017. https://doi.org/10.2118/184563-MS.
- Jolma, I.W., Strand, D., Stavland, A., Fjelde, I. and Hatzignatiou, D.G., "When Size Matters - Polymer Injectivity in Chalk Matrix," IOR 2017 - 19th European Symposium on Improved Oil Recovery, Stavanger, Norway, 24-27 Apr., 2017. https://www.earthdoc.org/content/papers/10.3997/2214-4609.201700362.
- Zhou, Y., Helland, J.O., Hatzignatiou, D.G., Ashan, R., and Hiorth, A.: "Experimental Validation of a Pore-Scale Derived Dimensionless Capillary Pressure Function for Imbibition Under Mixed-Wet Conditions," SPE 180088-MS, SPE/EAGE EUROPEC meeting, Vienna, Austria, 30 May - 2 June 2016. Paper SPE 180088-PA, SPE Journal, 22 (5), 1338 – 1348, February 2017. DOI: 10.2118/180088-PA. https://doi.org/10.2118/180088-PA.
- Pham, L.T. and Hatzignatiou, D.G.: “Rheological Evaluation of Sodium Silicate Gel for Water Management in Mature, Naturally-Fractured Oilfields,” J. of Pet. Sci. & Eng., 138, 218-233 (2016). https://doi.org/10.1016/j.petrol.2015.11.039.
- Hatzignatiou, D.G., Askarinezhad, R., Giske, N.H., and Stavland, A.: “Laboratory Testing of Environmentally Friendly Chemicals for Water Management," SPE-173853-MS, SPE Bergen One Day Seminar (April 22, 2015). Paper SPE-173853-PA SPE Production & Operations, 31 (04), 1930-1855, November 2016. DOI: 10.2118/173853-PA. https://doi.org/10.2118/173853-PA.
- Askarinezhad, R. and Hatzignatiou, D.G.: "Water-Soluble Silicate Gelants for Disproportionate Permeability Reduction: Importance of Formation Wetting and Treatment Conditions," SCA 2016-071, International Symposium of the Society of Core Analysts, Snow Mass, Colorado, USA, 21-26 August 2016. http://www.jgmaas.com/SCA/2016/SCA2016-071.pdf.
- Hatzignatiou, D.G. and Giske, N.H.: "Water-Soluble Sodium Silicate Gelants for Water Management in Naturally Fractured Carbonate Reservoirs," SPE 180128-MS, SPE/EAGE EUROPEC Conference and Exhibition, Vienna, Austria, 30 May - 2 June 2016. https://doi.org/10.2118/180128-MS.
- Hatzignatiou, D.G., Giske, N.H., and Stavland, A.: "Polymer and Polymer-Based Gelants for Improved Oil Recovery and Water Control Applications in Naturally Fractured Chalk Formations," SPE 180024-MS, SPE Bergen One Day Seminar, Bergen, Norway, 20 April 2016. https://doi.org/10.2118/180024-MS.
- Hatzignatiou, D.G., Moradi, H., and Stavland, A.: “Polymer Flow through Water- and Oil-Wet Porous Media,” Journal of Hydrodynamics, 27 (5), 748-762 (2015). DOI: 10.1016/S1001-6058(15)60537-6. https://doi.org/10.1016/S1001-6058(15)60537-6.
- Havlova, V., Hladik, V., Hatzignatiou, D.G., and Francu, J.: “REPP-CO2: Static and Dynamic Laboratory Experiments with scCO2,” Goldschmidt 2015, Prague, Czech Republic (Aug. 16-21, 2015).
- Zhou, Y., Helland, J.O. and Hatzignatiou, D.G.: Computation of Three-Phase Capillary Pressure Curves and Fluid Configurations at Mixed-wet Conditions in 2D Rock Images,” SPE 170883, SPE Annual Technical Conference and Exhibition, Amsterdam, The Netherlands, Oct. 27-29, 2014. Paper SPE 170883-PA, SPE Journal. 21 (01), 152-169 (February 2016). DOI: 10.2118/170883-PA. https://doi.org/10.2118/170883-PA.
- Zhou, Y., Helland, J.O. and Hatzignatiou, D.G.: “Computation of Three-Phase Capillary Entry Pressures and Arc Menisci Configurations in Pore Geometries from 2D Rock Images: A Combinatorial Approach,” Advances in Water Resources, 69, July 2014, 49-64. doi: 10.1016/j.advwatres.2014.03.006. https://doi.org/10.1016/j.advwatres.2014.03.006.
- Manceau, J.-C., Hatzignatiou, D.G., De Lary, L., Jensen, N.B., and Révéillère, A. “Mitigation and remediation technologies and practices in undesired migration of CO2 from a geological storage unit - Current status,” International Journal of Greenhouse Gas Control, 22, 272–290 (2014); http://dx.doi.org/10.1016/j.ijggc.2014.01.007.
- Hatzignatiou, D.G., Helleren, J., and Stavland, A.: “Numerical Evaluation of Dynamic Core/Scale Experiments of Silicate Gels for Fluid Diversion and Flow-Zone Isolation,” SPE 170240-PA, SPE Production & Operations Journal, 29 (2), 122 – 138 (May 2014). DOI:10.2118/170240-PA. https://doi.org/10.2118/170240-PA.
- Zhou, Y., Helland, J.O. and Hatzignatiou, D.G. “On the Dependence of Capillary Entry Pressure on Subsurface Depth in Geological CO2 Storage,” Fourth EAGE CO2 Storage Workshop, Stavanger, Norway (April 23-25, 2014). https://www.earthdoc.org/content/papers/10.3997/2214-4609.20140074.
- Hatzignatiou, D.G., and Fjelde, I.; “Mature Oilfields Screening for CO2 EOR Utilization and Storage: A Case Study,” Fourth EAGE CO2 Storage Workshop, Stavanger, Norway (April 22-24, 2014). https://www.earthdoc.org/content/papers/10.3997/2214-4609.20140090.
- Hatzignatiou, D.G., Stavland, A., Khairil, R.R., and D. Wessel-Berg: “Foam Core Flooding: An Experimental and Numerical Modeling Approach,” paper accepted for publication (2014).
- Valestrand, R., Khrulenko A., and Hatzignatiou, D.G.: “Smart Wells for Improved Water Management in the Presence of Geological Uncertainty,” SPE 169223, SPE Bergen One Day Seminar Meeting, Bergen Norway (April 2, 2014). https://doi.org/10.2118/169223-MS.
- Silin, D., Ajo-Franklin, J., Helland, J.O., Jettestuen, E., and Hatzignatiou D.G.: Pore-Scale Study of the Impact of Fracture and Wettability on Two-Phase Flow Properties of Rock," LBNL Paper LBNL-5810E, April 21, 2014. http://escholarship.org/uc/item/5bn168r4
- Korre A., Delprat-Jannaud F., Welkenhuysen K., Piessens K., Falus G., Vähäkuopus T., Poulsen N., Wickström L., Alexandra D., Vincent C. J., Car M., Wójcicki A., Arts R., Vit H., Martinez R., Komatina S., Akervoll I., Brüstle A. K., Götzl G., Brikmane B., Hatzignatiou D.G., State-of-the-art of directives and regulatory regimes related to CO2 storage operational and safety risks. CGS Europe report No. D3.5, Korre, A. and Delprat-Jannaud F. (Eds.), January 2014, 115p. http://repository.cgseurope.net/eng/cgseurope/knowledge-repository/key-reports/operational.aspx.
- Hatzignatiou, D.G., Norris, U.L., and Stavland, A.: “Core-Scale Simulation of Polymer Flow through Porous Media,” J. of Pet. Sci. & Eng., 108, 137-150 (August 2013); doi:10.1016/j.petrol.2013.01.001. https://doi.org/10.1016/j.petrol.2013.01.001.
- Hatzignatiou, D.G., Moradi, H., and Stavland, A.: “Experimental Investigation of Polymer Flow through Water- and Oil-Wet Berea Sandstone Core Samples,” SPE 164844, SPE EUROPEC and EAGE Annual Meeting, London UK, June 10-13 (2013). https://doi.org/10.2118/164844-MS.
- Zhou, Y., Helland, J.O., and Hatzignatiou, D.G.: “Simulation of Three Phase Capillary Pressure Curves Directly in 2D Rock Images,” IPTC 16547, SPE IPTC Conference, Beijing China, March 26-28 (2013). https://doi.org/10.2523/IPTC-16547-MS.
- Jean-Charles Manceau, Dimitrios G. Hatzignatiou, Louis De Lary, Niels Bo Jensen, Kristin Flornes, Thomas Le Guénan, Arnaud Réveillère: Methodologies and Technologies for Mitigation of Undesired CO2 Migration in the Subsurface. Trondheim CCS Conference, Trondheim, Norway (June 4-6, 2013) http://programme.exordo.com/tccs-7/.
- Zhou, Y., Helland, J.O., and Hatzignatiou, D.G. “A Dimensionless Capillary Pressure Function for Imbibition Derived from Pore-Scale Modeling in Mixed-Wet Rock Images,” SPE-154129-PA, SPE Journal, 18 (2), 296-308 (December 2012). DOI: 10.2118/154129-PA. https://doi.org/10.2118/154129-PA.
- Zhou, Y., Helland, J.O., and Hatzignatiou, D.G. “Pore-Scale Modeling of Water Flooding in Mixed-Wet Rock Images: Effects of Initial Saturation and Wettability,” SPE 154284, 2012 SPE Improved Oil Recovery Symposium, Tulsa, Oklahoma, USA (Apr. 14-18); SPE Journal. SPE-154284-PA. DOI: 10.2118/154284-PA. https://doi.org/10.2118/154129-PA.
- Permata, P. and Hatzignatiou, D.G.: “Revitalizing Small Offshore Oil Assets – Field Redevelopment Feasibility Study,” J. of Pet. Sci. & Eng., 76, 3-4, 155–171 (March 2011); doi:10.1016/j.petrol.2011.01.007. https://doi.org/10.1016/j.petrol.2011.01.007.
- Hatzignatiou, D.G., Riis, F., Berenblyum, R., Hladik, V., Lojka, R., and Francu, J.: “Screening and Evaluation of a Saline Aquifer for CO2 Geological Storage – Central Bohemian Basin, Czech Republic,” International Journal of Greenhouse Gas Control, 5 (6), 1429-1442 (November 2011), doi:10.1016/j.ijggc.2011.07.013. https://doi.org/10.1016/j.ijggc.2011.07.013.
- Zhou, Y., Helland, J.O., and Hatzignatiou, D.G. “A model for imbibition in pore spaces from 2D Rock Images,” paper and poster presentation, International Conference on Flows and Mechanics in Natural Porous Media from Pore to Field Scale – Pore2Field, IFP Energies Nouvelles, Rueil-Malmaison, France (Nov. 16-18, 2011). https://www.researchgate.net/publication/266343874...
- Hladik, V., Hatzignatiou, D.G., Riis, F., Berenblyum, R., Gerslova, E., Francu, J., Lojka, R., Kolejka, V., and Gersl, M.: “Central Bohemian Basin as a Potential Carbon Dioxide Storage Site,” Reports on Geological Research in 2010, Czech Geological Survey, Prague, Czech Republic, 247-252 (2011) — In Czech.
- Helland, J.O., Jettestuen, E., Hatzignatiou, D.G., and Silin, D. "Three-Dimensional Level Set Modelling of Capillary-Controlled Displacements in Digital Porous Media," 2011 American Geophysical Union Annual Fall Meeting, San Francisco, California, USA, Dec. 5-9.
- Julie Lions, Ian Gale, Erik Nygaard, Heike Rütters, Franz May, Wolfram Kloppmann, Stanley Beaubien, Mehran Sohrabi, Dimitrios G. Hatzignatiou, Ludmilla Basava-Reddi.: "Potential Impacts on Groundwater Resources of Deep CO2 Storage," Geophysical Research Abstracts, Vol. 13, EGU2011-7087-5, (2011).
- Hatzignatiou, D.G. et al.: “Formation Damage and Well Productivity Simulation,” SPE 122241, 2009 European Formation Damage Conference, Scheveningen, The Netherlands (May 27-29); SPE Journal, 15 (3), 751-769, September (2010). DOI: 10.2118/122241-PA. https://doi.org/10.2118/122241-PA.
- Hatzignatiou, D.G. et al.: "A Field Laboratory for Monitoring CO2 Leakage," Energy Procedia, Greenhouse Gas Control Technologies, Science Direct, Elsevier, 1 (1), 2397-2404 (February 2009). https://doi.org/10.1016/j.egypro.2009.01.312.
Current Students
FUNDED RESEARCH OPPORTUNITIES
PhD Students: Positions in funded research projects are available for highly qualified students holding an MSc degree in Petroleum Engineering. Interested candidates with credentials well-above the minimum requirements for acceptance to the Petroleum Engineering PhD program are strongly encouraged to apply. Positions with laboratory and modeling expertise are available.
UNIVERSITY OF HOUSTON POST DOCTORAL FELLOWS
- Dr. Chinedu Okere
UNIVERSITY OF HOUSTON PhD STUDENTS
- Labiba Nusrat Jahan (2028)
- Silagi Wanambwa (2027)
- Zhiyuan Li (2026) - Dr. Ehlig-Economides Co-Advisor
- Brendan Aruah (Graduated Summer 2024) - Dr. Sakhaee Pour Co-Advisor
UNIVERSITY OF HOUSTON MSc STUDENTS
- Sri Ranga Naga Sai Gohith Gumma (2025)
- Himanshu Shekhar Jha (2016)
UNIVERSITY OF HOUSTON UNDERGRADUATE STUDENTS
- Trevor Eustaquio - Spring 2022 PURS (2022)
- Vinh Le - Fall 2021 PURS (2021)
- Jake Pakula - Summer 2021 SURF (2022)
- 2nd Place SPE Regional Student Paper Contest
- Colin Copeland - Summer 2021 SURF (2022)
- Randy Jordan - Spring 2021, Fall 2021, Spring 2022 Research Program (2022)
- Jake Pakula - Spring 2021, Fall 2021, Spring 2022 Research Program (2022)
- Nhung Nguyen - Fall 2020 and Spring 2021 Research Program (2021)
- 1st Place UH SPE Student Paper Contest
- Makpal Sariyeva - Fall 2019 PURS & Spring 2020 Research Program (2020)
- 1st Place SPE Regional Student Paper Contest
- 1st Place SPWLA International Student Paper Contest
- 1st Place UH SPE UG Student Paper Contest
- 2nd Place in the Combined BSc, MSc and PhD Division at the 2020 Congress of the SPE WIN
- Participated at the SPE International US Student Competition
- Mohammed Al-Taher - Summer 2019 & Fall 2019 Research Program (2019)
- Christopher Acosta - Summer 2018 SURF (2019)
- Sami Khan - Spring 2018 Research Program (2019)
- Mark Henry Atwood - Spring 2018 PURS (2019)
- Maryam Akbari - Summer 2017 SURF (2018)
- Yilhak Abebe - Summer 2017 SURF (2018)
- Kelsey Jones - Spring 2017 Research Program
UNIVERSITY OF HOUSTON SUMMER HIGH SCHOOL STUDENT INTERNSHIPS
- Rachel Hur (2018)
EXTERNAL GRADUATE STUDENTS
- Alfonso Moreno Donaire - MSc (2023-2024) - University of Navarra, Spain
- Michael Essei Bangolam - MSc (2018-2020) - African University of Science and Technology, Nigeria
- Reza Askarinezhad - PhD (2016-2018) - University of Stavanger, Norway
* (Expected) Graduation Year
ASSOCIATE EDITOR
- SPE Formation Evaluation Journal and SPE Reservoir Evaluation and Engineering Journal (1994-2018)
SCIENTIFIC JOURNAL REVIEWER/EDITOR
- ACS Energy & Fuels (2018-present)
- ACS Industrial & Engineering Chemistry Research (2018-present)
- ACS Omega (2018-present)
- Advances in Colloid and Interface Science (2016-present)
- Advances in Water Resources (2019-present)
- American Chemical Society (1995)
- Asia-Pacific Journal of Chemical Engineering (2019-present)
- Chemical Engineering Research and Design (2010-present)
- Chemical Engineering Science (2016-present)
- Chemical Product and Process Modeling (2019-present)
- Cleaner Engineering and Technology (2024-present)
- Computers and Chemical Engineering (2025-present)
- Energies (2016-present)
- Energy (2020-present)
- Energy Conversion and Management (2025-present)
- Fluid Phase Equilibria (2018-present)
- Frontiers in Environmental Science (2026-present)
- Fuel (2020-present)
- Gas Science and Engineering (2024-present)
- Case Studies in Thermal Engineering (2025-present)
- Geoenergy (2023-present)
- Geoenergy Science and Engineering (2023-present)
- Geofluids (2017-present)
- Geosystem Engineering (2025-present)
- Geothermics (2025 - present)
- Journal of Applied Geophysics (2018-present)
- Journal of Applied Polymer Science (2017-present)
- Journal of Brazilian Society of Mechanical Sciences & Engineering (2018-present)
- Journal of Canadian Petroleum Technology (2012-present)
- Journal of Ceramics (2016-present)
- Journal of CO2 Utilization (2018-present)
- Journal of Contaminant Hydrology (2025-present)
- Journal of CT&F- Ciencia, Tecnología y Futuro (2001)
- Journal of Energy Sources, Part A: Recovery, Utilization, & Environmental Effects (2020-present)
- Journal of Energy Storage (2019-present)
- Journal of Gas Science and Engineering (2020-present)
- Journal of King Saud University - Engineering Sciences (2019-present)
- Journal of Molecular Liquids (2021-present)
- Journal of Petroleum and Gas Engineering (2013-present)
- Journal of Petroleum Science and Engineering (2010-present)
- Journal of Petroleum Science and Technology (2020-present)
- Journal of Proceeding of Royal Society A – Mathematical, Physical and Engineering Sciences (2010-present)
- Journal of Taiwan Institute of Chemical Engineers (2018-present)
- Industrial & Engineering Chemistry Research (1994)
- International Journal of Applied Ceramic Technology (2019-present)
- International Journal of Biological Macromolecules (2018-present)
- International Journal of Hydrogen Energy (2022-present)
- International Journal of Greenhouse Gas Control (2008-present)
- International Journal of Oil, Gas, and Coal Technology (2012-present)
- Nanomaterials (2018-present)
- Nature (2020-present)
- Next Research (2025-present)
- Petroleum Science and Technology (2005-present)
- Polymers (2018-present)
- Renewable and Sustainable Energy Transition (2026-present)
- Results in Engineering (2026-present)
- Scientific Reports (2022-present)
- Smart Energy (2025 - present)
- SPE Drilling & Completion Journal (2010-2023)
- SPE Formation Evaluation Journal (1990-2023)
- SPE Journal (2005-present)
- SPE Production and Operations Journal (2010-2023)
- SPE Reservoir Evaluation and Engineering Journal (1996-2023)
- Sustainable Chemistry for Climate Action (2025-present)
Previous Students