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Issue 16, 2019
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The effect of foam quality, particle concentration and flow rate on nanoparticle-stabilized CO2 mobility control foams

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Abstract

CO2 foam is regarded as a promising technology and widely used in the oil and gas industry, not only to improve oil production, but also to mitigate carbon emissions through their capture. This paper describes a series of nanoparticle-stabilized CO2 foam generation and foam flow experiments under reservoir conditions. Stable CO2 foam was generated when CO2 and a nanosilica dispersion flowed through the core sample under 1500 psi and 25 °C. The foam changed from a fine-texture foam to a coarse foam as the foam quality increased from 20% to 95%. Foam mobility increased slightly with the increasing foam quality from 20% to 80% and then rapidly from 80% to 95%. A stable CO2 foam was generated as the nanosilica concentration increased to 2500 ppm. Foam mobility and resistance factor increased with the increasing nanosilica concentration. As the injection flow rate increased to 60 ml h−1, stable and fine-texture CO2 foam was obtained. Foam mobility was observed to remain almost constant as the injection flow rate increased from 60 ml h−1 to 150 ml h−1.

Graphical abstract: The effect of foam quality, particle concentration and flow rate on nanoparticle-stabilized CO2 mobility control foams

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Article information


Submitted
17 Dec 2018
Accepted
25 Feb 2019
First published
21 Mar 2019

This article is Open Access

RSC Adv., 2019,9, 9313-9322
Article type
Paper

The effect of foam quality, particle concentration and flow rate on nanoparticle-stabilized CO2 mobility control foams

C. Fu, J. Yu and N. Liu, RSC Adv., 2019, 9, 9313
DOI: 10.1039/C8RA10352F

This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence. Material from this article can be used in other publications provided that the correct acknowledgement is given with the reproduced material and it is not used for commercial purposes.

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    [Original citation] - Published by The Royal Society of Chemistry (RSC) on behalf of the Centre National de la Recherche Scientifique (CNRS) and the RSC.
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    [Original citation] - Published by The Royal Society of Chemistry (RSC) on behalf of the European Society for Photobiology, the European Photochemistry Association, and RSC.
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    [Original citation] - Published by The Royal Society of Chemistry.

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