Materials Testing (IMAGE) Swansea University Caption Top: Differences of the movement of oil through the micro channels after the solution flooding of (a) pure brine, (b) pure surfactant, and (c) surfactant-brine. Bottom: Schematic model of an effective surfactant-brine flooding for EOR applications. Credit Sajad Kiani, Swansea University. Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.