Investigation of physical properties and displacement mechanisms of surface-grafted nano-cellulose fluids for enhanced oil recovery
Fuel(2017)
Abstract
•Novel EOR approach using nano-cellulose based nano-fluids was proposed.•Surface-grafting was successfully conducted on nano-cellulose towards EOR use.•Surface wettability was notably altered caused by colloids wedge spreading.•NC-KYSS fluid presented superior salinity tolerance and salt-thickening behaviors.•Displacement mechanisms were elucidated through a visualization micromodel.
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Key words
Nano-fluids,Surface-grafted nano-cellulose,Visual study,Interfacial behaviors,Property-structure relationship,EOR mechanisms
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