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Nanomaterials 2018, 8(8), 603; https://doi.org/10.3390/nano8080603

An Evaluation of Graphene Oxides as Possible Foam Stabilizing Agents for CO2 Based Enhanced Oil Recovery

1
Petroleum Department, SINTEF Industry, NO-7465 Trondheim, Norway
2
CO2 Technology, NO-7030 Trondheim, Norway
*
Author to whom correspondence should be addressed.
Received: 8 June 2018 / Revised: 20 July 2018 / Accepted: 3 August 2018 / Published: 8 August 2018
(This article belongs to the Special Issue Nanomaterials in CO2 Capture)
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Abstract

Graphene oxide, nanographene oxide and partially reduced graphene oxide have been studied as possible foam stabilizing agents for CO2 based enhanced oil recovery. Graphene oxide was able to stabilize CO2/synthetic sea water foams, while nanographene oxide and partially reduced graphene oxide were not able to stabilize foams. The inability of nanographene oxide for stabilizing foams was explained by the increase of hydrophilicity due to size decrease, while for partially reduced graphene oxide, the high degree of reduction of the material was considered to be the reason. Graphene oxide brine dispersions showed immediate gel formation, which improved foam stability. Particle growth due to layer stacking was also observed. This mechanism was detrimental for foam stabilization. Gel formation and particle growth caused these particles to block pores and not being filterable. The work indicates that the particles studied are not suitable for CO2 enhanced oil recovery purposes. View Full-Text
Keywords: enhanced oil recovery; graphene oxide; CO2 foam; aquifer storage; mobility control enhanced oil recovery; graphene oxide; CO2 foam; aquifer storage; mobility control
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Barrabino, A.; Holt, T.; Lindeberg, E. An Evaluation of Graphene Oxides as Possible Foam Stabilizing Agents for CO2 Based Enhanced Oil Recovery. Nanomaterials 2018, 8, 603.

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