Palestra: Recent developments and new insights into optimising Enhanced Oil Recovery by Water Injection
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Palestra: Recent developments and new insights into optimising Enhanced Oil Recovery by Water injection
Prof. Mehran Sohrabi
Horário: 14/06 às 17:30
Local: Espaço Gaia – Rua São José 70/2º andar
Gratuito para associados à SPE e R$ 50,00 para não associados (*)
(*) para os não associados o pagamento deverá ser feito na hora, em espécie ou cheque.
Recent developments and new insights into optimising Enhanced Oil Recovery by Water Injection
Water-flood is the most widely used oil recovery method for various technical and economic reasons. However, the global water-flood recovery factor is only around 30%. There is, therefore, significant interest amongst operators to improve water-flood efficiency and increase recovery factor. Various chemicals have been developed and tested for adding to injection water for increasing the performance of water-flood but these chemicals are generally costly with limited success at the field scale. In this presentation, two new augmented water-flood methods will be discussed, presenting new laboratory results. Recent advances in the area of low salinity water injection and in particular the role of water/oil interactions and the role of natural surface active components of crude oil in increasing oil recovery by low salinity water injection will be presented. We will also discuss how water-flood performance can be improved by carbonation of injection water and injecting CO2-enriched water. In particular, we will present the importance of phase behaviour and partitioning of CO2 between water and oil on the performance of carbonated water injection. The two augmented water-flood methods discussed here are mainly relying on physical reactions between oil/water/rock rather than chemical reactions central to chemical methods such as polymer or surfactant floods and, therefore, are more robust and can be applied to a wide range of challenging reservoir conditions.
Sobre o Palestrante:
Professor Mehran Sohrabi B.Sc., M.Sc., Ph.D. (Reservoir Engineering) Director – Centre for Enhanced Oil Recovery and CO2 Solutions, Institute of Petroleum Engineering, Heriot-Watt University, UK
Mehran Sohrabi is a professor of Enhanced Oil Recovery (EOR) in the Institute of Petroleum Engineering at Heriot-Watt University. He has a B.Sc., an M.Sc., and a Ph.D. in Reservoir Engineering and has over 25 years of experience in various aspects of Reservoir Engineering in particular in the areas of Enhanced Oil Recovery and complex Multi-Phase Flow in Porous Media. Professor Sohrabi has significant experience in establishing and leading research projects and is a well-known expert in Enhanced Oil Recovery. He leads the Centre for Enhanced Oil Recovery and CO2 Solutions at Heriot-Watt University and is Principal Investigator on a number of joint industry projects (JIP) covering most aspects of EOR including multi-million research programmes on gas injection, water-alternating-gas injection, heavy oil recovery, CO2 and foam injection, low salinity water injection, and carbonated water injection. In addition to working with joint industry consortia, he has significant experience working with individual companies on developing bespoke and pilot EOR solutions for specific reservoirs.
Professor Sohrabi has published more than 150 technical papers at various international conferences and journals. He teaches Reservoir Engineering, Petrophysicas, Reservoir Rock Properties, and Enhanced Oil Recovery and has trained many Ph.D. and M.Sc. students.