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In so-called smart water flooding, the composition of the oil-displacing brine is carefully tuned to optimize the process. Depending on the ion concentrations, both the calcite-liquid and brine-oil interfaces undergo changes, involving calcite restructuring and/or asphaltene assembly into (visco-elastic) interfacial layers.
To investigate these processes, experiments are performed at different interfaces and lengthscales. The EOR process as a whole is mimicked on a microfluidic chip while visualizing the water/oil/rock distributions and electronically monitoring physical signals. Underlying phenomena contributing to the overall process are also studied on a macroscopic scale: wettability alteration of the calcite and visco-elastic responses of the oil-brine interfacial layer. This research is part of a collaborative project at PCF in which also nanoscopic morphological and chemical information is obtained.
For the PostDoc we are looking for a skilled experimentalist with a background in physical chemistry. Specific experience in Confocal Raman Microscopy, microfluidics, ion specific sensing technologies will be a pro. You will be appointed for max. 2 years as a postdoc researcher. You are proficient in English, a good communicator and team player, and enjoy interdisciplinary collaborations. Reference letters from two senior academics are expected.
In the Physics of Complex Fluids group at the University of Twente (www.utwente.nl/en/tnw/pcf/) research is aimed at improving insights as well as the efficiency of Enhanced Oil Recovery from porous calcite rock.
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