CO2 geo-storage capacity enhancement via nanofluid priming

Sarmad Al-Anssari; Muhammad Arif; Shaobin Wang; Ahmed Barifcani; Maxim Lebedev; Stefan Iglauer

doi:10.1016/j.ijggc.2017.04.015

CO₂ geo-storage capacity enhancement via nanofluid priming

Sarmad Al-Anssari
, Muhammad Arif
, Shaobin Wang
, Ahmed Barifcani
, Maxim Lebedev
, Stefan Iglauer

Curtin University
University of Baghdad

Research output: Contribution to journal › Article › peer-review

55 Scopus citations

Abstract

CO₂ geo-storage efficiency is strongly influenced by the wettability of the CO₂-brine-mineral system. With decreasing water-wetness, both, structural and residual trapping capacities are substantially reduced. This constitutes a serious limitation for CO₂ storage particularly in oil-wet formations (which are CO₂-wet). To overcome this, we treated CO₂-wet calcite surfaces with nanofluids (nanoparticles dispersed in base fluid) and found that the systems turned strongly water-wet state, indicating a significant wettability alteration and thus a drastic improvement in storage potential. We thus conclude that CO₂ storage capacity can be significantly enhanced by nanofluid priming.

Original language	British English
Pages (from-to)	20-25
Number of pages	6
Journal	International Journal of Greenhouse Gas Control
Volume	63
DOIs	https://doi.org/10.1016/j.ijggc.2017.04.015
State	Published - 2017

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 13 Climate Action

Keywords

Carbon capture and storage
Contact angle
Silica nanoparticles

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10.1016/j.ijggc.2017.04.015

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Cite this

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title = "CO2 geo-storage capacity enhancement via nanofluid priming",

abstract = "CO2 geo-storage efficiency is strongly influenced by the wettability of the CO2-brine-mineral system. With decreasing water-wetness, both, structural and residual trapping capacities are substantially reduced. This constitutes a serious limitation for CO2 storage particularly in oil-wet formations (which are CO2-wet). To overcome this, we treated CO2-wet calcite surfaces with nanofluids (nanoparticles dispersed in base fluid) and found that the systems turned strongly water-wet state, indicating a significant wettability alteration and thus a drastic improvement in storage potential. We thus conclude that CO2 storage capacity can be significantly enhanced by nanofluid priming.",

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AU - Al-Anssari, Sarmad

AU - Arif, Muhammad

AU - Wang, Shaobin

AU - Barifcani, Ahmed

AU - Lebedev, Maxim

AU - Iglauer, Stefan

PY - 2017

Y1 - 2017

N2 - CO2 geo-storage efficiency is strongly influenced by the wettability of the CO2-brine-mineral system. With decreasing water-wetness, both, structural and residual trapping capacities are substantially reduced. This constitutes a serious limitation for CO2 storage particularly in oil-wet formations (which are CO2-wet). To overcome this, we treated CO2-wet calcite surfaces with nanofluids (nanoparticles dispersed in base fluid) and found that the systems turned strongly water-wet state, indicating a significant wettability alteration and thus a drastic improvement in storage potential. We thus conclude that CO2 storage capacity can be significantly enhanced by nanofluid priming.

AB - CO2 geo-storage efficiency is strongly influenced by the wettability of the CO2-brine-mineral system. With decreasing water-wetness, both, structural and residual trapping capacities are substantially reduced. This constitutes a serious limitation for CO2 storage particularly in oil-wet formations (which are CO2-wet). To overcome this, we treated CO2-wet calcite surfaces with nanofluids (nanoparticles dispersed in base fluid) and found that the systems turned strongly water-wet state, indicating a significant wettability alteration and thus a drastic improvement in storage potential. We thus conclude that CO2 storage capacity can be significantly enhanced by nanofluid priming.

KW - Carbon capture and storage

KW - Contact angle

KW - Silica nanoparticles

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