Cellulose nanocrystals for enhanced oil recovery
Oil recovery from fractured oil reservoirs is challenging. Water flooding in its many forms is less than ideal. Salim Raza (U of E&T Peshawar) and Ian Gates (University of Calgary) have now shown that making a nanofluid with 2% cellulose nanocrystals and water increases oil recovery up to 98%. The enormous increase is achieved by microemulsion formation upstream of the main interface. The best result is obtained with 2% cellulose nanocrystals but 1% nanocellulose also provides a respectable 85% recovery with appropriate fluid flow.
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For more information, please consult the full article: Effect of cellulose nanocrystal nanofluid on displacement of oil in a Hele-Shaw cell.
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