Stephanie is a senior engineer, laboratory supervisor, and safety officer specializing in formulation design and chemical structures. She received her PhD in chemical Engineering and has over 10 years' experience working with surfactants for emulsions, foams, and microemulsions. Stephanie is mainly responsible for assisting with the development, optimization, and comparison testing of chemical formulations for a wide variety of reservoir and injection conditions.
Chris is a senior scientist and laboratory supervisor at UEORS. He is responsible for managing laboratory work including chemical EOR design, experimental execution and experimental capability development. He specializes in challenging EOR environments, including high temperature and high salinity.
Matt joined UEORS in the Spring of 2019, assuming the role of Vice President and Chief Reservoir Engineer. Matt previously worked in the UK on an active polymer flood as Chemical Enhanced Oil Recovery Advisor for Chevron North Sea Ltd. Prior to that position, Matt was with Chevron ETC, where he helped design, deploy, troubleshoot, and interpret IOR/EOR field trials and inter-well tracer tests around the globe in both conventional and unconventional assets. Matt specializes in tracers, polymer injectivity, and field deployment.
Jonathan joined UEORS in 2017 and specializes in EOR polymer projects. He holds a B.S. in chemistry from Rice University, an M.S. in petroleum engineering from the University of Texas, and a Ph.D. from Rice University in bioengineering. He provides in-house expertise on polymer selection, characterization, and evaluation.
Mina is a reservoir engineer with more than 10 years of experience in conventional oil reservoirs and unconventional shale plays in the United States and the Middle East. She has several publications on innovative methods for reservoir characterization to greatly improve the accuracy of permeability estimates, capillary pressures and relative permeability curves.
Dan is a Petroleum Engineer at UEORS who specializes in polymer evaluation, EOR design, and high pressure coreflood experiments. His other experience includes chemical EOR pilot implementation and chemical quality control. His interests are heavy oil recovery, field scale application of EOR, and challenging EOR environments.
Gayani works as the Office Manager for Ultimate EOR Services. She is responsible for accounting, administration and hospitality. She has 4 years of experience in technical chemical EOR research at UT Austin. Her special research interest is surfactant development and synthesis.
Zhitao is an engineer responsible for reservoir engineering and simulation projects and software development specific to UTCHEM. He received his Ph.D. degree in petroleum engineering from UT-Austin. His areas of interest include chemical EOR, reservoir simulation and modeling, heavy oil recovery, and assisted history matching.
Jith is a project manager and high pressure coreflood specialist at UEORS. He has more than ten years of Chemical EOR experience from lab to field from his previous position at The University of Texas at Austin as a Research Associate and Laboratory Manager. He specializes in designing high temperature/pressure laboratory setups and his interests are water chemistry and modern methods of chemical analysis. Jith received his BS in Chemistry in 2008 from Wichita State University in Kansas.
Eric is a laboratory engineer at UEORS responsible for EOR design and coreflood experiments. He is the in-house specialist for high pressure, live oil experimentation, including phase behavior and corefloods. Prior to his position at Ultimate EOR, Eric worked as a laboratory research assistant in Dr. Pope's EOR group at the University of Texas for over two years.
Nadeeka joined UEORS in March 2019 as the surfactant specialist designing surfactant formulations for challenging reservoir conditions. Her emphasis is on the development of Chemical EOR methods of alkaline Surfactant Polymer (ASP), SP and ACP (Alkaline/Co-Solvent-polymer). She holds a Ph.D. in photochemistry with more than 8 years of experience in surfactant formulations, polymer evaluation, surfactant quality control, and EOR methods for heavy oil. She also specializes in chemical synthesis, characterization, developing analytical methods for EOR chemicals, and evaluating rheological properties of complex EOR fluids.
Winoto is an engineer responsible for designing low salinity and wettability alteration experiments. He has B.Eng. and Ph.D. degrees in chemical engineering from University of Surabaya and University of Wyoming, respectively. He spent 5 years working as a research scientist for Professor Norman Morrow. His interests include polymer-supercritical fluid systems phase equilibrium, interfacial phenomena, wettability and special core analysis in oil recovery.
Consultants and Contractors
Esther joined UEORS during the summer of 2018 to cover HR duties. She comes to us with more than 30 years of administrative experience at The University of Texas at Austin.
Chrissi Brown Moroney
Chrissi has three decades of experience in the petroleum industry. She has worked in Kazakhstan, England, Indonesia, Kuwait, China, Mexico, and onshore and offshore United States conducting reservoir simulation studies and acquisition evaluations for fields in Angola, Bahrain, Canada, Brazil, Brunei, Azerbaijan, and Qatar. In these studies, she has evaluated EOR and improved oil recovery (IOR) technologies such as surfactant flooding, hydrocarbon miscible floods, nitrogen injection, CO2 injection, high pressure sour gas injection, and horizontal well, big-bore, and multi-lateral well performance. Dr. Moroney is skilled at reserves determination, field development planning, and decision and risk analysis to develop robust project designs that achieve economic benchmarks while minimizing reservoir and economic risks.
Dr. Huh joined UEORS as a Senior Technical Consultant, after retiring from the Center for Petroleum and Geosystems Engineering at The University of Texas at Austin. He received his B.S. degree from Seoul National University, Korea, and Ph.D. degree from the University of Minnesota, both in chemical engineering. Before joining the UT-Austin faculty in January, 2004, he worked as an Engineering Advisor at ExxonMobil Upstream Research Company in Houston for 28 years. Dr. Huh is one of the world's leading experts on surfactant- and polymer-based improved oil recovery (IOR) processes. At UT-Austin, Dr. Huh started research on use of nanoparticles for a wide variety of upstream oil industry applications with over 35 related publications. He received the SPE IOR Pioneer Award in 2012, and is a SPE Distinguished Member.
Nina worked in the Petrophysics and Surface Chemistry research group headed by Prof. Norman R. Morrow at the University of Wyoming where she received her Ph.D. in Petroleum Engineering. Her work centers on wettability and hydrocarbon recovery with special emphasis on improved oil recovery by waterflooding and spontaneous imbibition. She has extensive experience in routine and special core analysis.
Jeff received a B.S. in Chemistry from the State University of New York, and a PhD in Macromolecular Science and Engineering from Case Western Reserve University. He joined Shell Development Company in 1980 and worked in the research team headed by R.C. Nelson that led to the development of enhanced alkaline flooding (ASP) and the demonstration of the technology at the ASP pilot at White Castle, Louisiana. During this time he received the Cedric Ferguson Medal from the Society of Petroleum Engineers. Jeff later worked for 20 years in Shell Chemical in technical and management functions on applications of thermoplastic elastomers. He re-joined Shell E&P in 2007 and has been involved with applying chemical flooding technology to specific reservoirs, and field implementation in Malaysia, Russia, and Oman. In 2020 Jeff retired from Shell and is an independent consultant with JSouth Energy LLC.