CO2 – brine – sandstone wettability evaluation at reservoir conditions via nuclear magnetic resonance measurements
CO2-rock wettability is a key parameter which governs CO2 trapping capacities and containment security in the context of CO2 geo-sequestration schemes. However, significant uncertainties still exist in terms of predicting CO2 rock wettability at true reservoir conditions. This study thus reports on...
Published in: | International Journal of Greenhouse Gas Control |
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Edith Cowan University, Research Online, Perth, Western Australia
2021
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Online Access: | https://ro.ecu.edu.au/ecuworkspost2013/10986 https://doi.org/10.1016/j.ijggc.2021.103435 https://ro.ecu.edu.au/context/ecuworkspost2013/article/11992/viewcontent/CO2___brine___sandstone_wettability_evaluation_at_reservoir_conditions_via_Nuclear_Magnetic_Resonance_measurements.pdf |
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ftedithcowan:oai:ro.ecu.edu.au:ecuworkspost2013-11992 2023-10-09T21:50:41+02:00 CO2 – brine – sandstone wettability evaluation at reservoir conditions via nuclear magnetic resonance measurements Baban, Auby Al-Yaseri, Ahmed Keshavarz, Alireza Amin, R. Iglauer, Stefan 2021-01-01T08:00:00Z application/pdf https://ro.ecu.edu.au/ecuworkspost2013/10986 https://doi.org/10.1016/j.ijggc.2021.103435 https://ro.ecu.edu.au/context/ecuworkspost2013/article/11992/viewcontent/CO2___brine___sandstone_wettability_evaluation_at_reservoir_conditions_via_Nuclear_Magnetic_Resonance_measurements.pdf unknown Edith Cowan University, Research Online, Perth, Western Australia https://ro.ecu.edu.au/ecuworkspost2013/10986 doi:10.1016/j.ijggc.2021.103435 https://ro.ecu.edu.au/context/ecuworkspost2013/article/11992/viewcontent/CO2___brine___sandstone_wettability_evaluation_at_reservoir_conditions_via_Nuclear_Magnetic_Resonance_measurements.pdf http://creativecommons.org/licenses/by-nc-nd/4.0/ Research outputs 2014 to 2021 [RSTDPub] Wettability Nuclear Magnetic Resonance Carbone dioxide (CO2) geo-sequestration Carbon Capture and Storage (CCS) Sandstone Civil and Environmental Engineering Engineering text 2021 ftedithcowan https://doi.org/10.1016/j.ijggc.2021.103435 2023-09-09T22:45:49Z CO2-rock wettability is a key parameter which governs CO2 trapping capacities and containment security in the context of CO2 geo-sequestration schemes. However, significant uncertainties still exist in terms of predicting CO2 rock wettability at true reservoir conditions. This study thus reports on wettability measurements via independent Nuclear Magnetic Resonance (NMR) experiments on sandstone (CO2–brine systems) to quantify Wettability Indices (WI) using the United States Bureau of Mines (USBM) scale. The results show that CO2 (either molecularly dissolved or as a separate supercritical phase) significantly reduced the hydrophilicity of the sandstone from strongly water-wet (WI ≈ 1) to weakly water-wet (WI = 0.26), and associated with that the water-wetness of the rock for the two-phase systems. This was caused by additional protonation of surface silanol groups on the quartz, induced by carbonic acid. Capillary pressure and relative permeability curves and residual CO2 saturation were also measured; these results were compared with literature data, and general consistency was found. NMR T2 distribution measurements also demonstrated preferential water displacement in large pores (r > 1 µm) following scCO2 flooding, while no change was observed for smaller pores (r < 1 µm). These insights add confidence to the assessments of CO2-rock wettability and therefore reduce project risk. This work thus aids in the implementation of large-scale CO2 sequestration. Text Carbonic acid Edith Cowan University (ECU, Australia): Research Online International Journal of Greenhouse Gas Control 111 103435 |
institution |
Open Polar |
collection |
Edith Cowan University (ECU, Australia): Research Online |
op_collection_id |
ftedithcowan |
language |
unknown |
topic |
[RSTDPub] Wettability Nuclear Magnetic Resonance Carbone dioxide (CO2) geo-sequestration Carbon Capture and Storage (CCS) Sandstone Civil and Environmental Engineering Engineering |
spellingShingle |
[RSTDPub] Wettability Nuclear Magnetic Resonance Carbone dioxide (CO2) geo-sequestration Carbon Capture and Storage (CCS) Sandstone Civil and Environmental Engineering Engineering Baban, Auby Al-Yaseri, Ahmed Keshavarz, Alireza Amin, R. Iglauer, Stefan CO2 – brine – sandstone wettability evaluation at reservoir conditions via nuclear magnetic resonance measurements |
topic_facet |
[RSTDPub] Wettability Nuclear Magnetic Resonance Carbone dioxide (CO2) geo-sequestration Carbon Capture and Storage (CCS) Sandstone Civil and Environmental Engineering Engineering |
description |
CO2-rock wettability is a key parameter which governs CO2 trapping capacities and containment security in the context of CO2 geo-sequestration schemes. However, significant uncertainties still exist in terms of predicting CO2 rock wettability at true reservoir conditions. This study thus reports on wettability measurements via independent Nuclear Magnetic Resonance (NMR) experiments on sandstone (CO2–brine systems) to quantify Wettability Indices (WI) using the United States Bureau of Mines (USBM) scale. The results show that CO2 (either molecularly dissolved or as a separate supercritical phase) significantly reduced the hydrophilicity of the sandstone from strongly water-wet (WI ≈ 1) to weakly water-wet (WI = 0.26), and associated with that the water-wetness of the rock for the two-phase systems. This was caused by additional protonation of surface silanol groups on the quartz, induced by carbonic acid. Capillary pressure and relative permeability curves and residual CO2 saturation were also measured; these results were compared with literature data, and general consistency was found. NMR T2 distribution measurements also demonstrated preferential water displacement in large pores (r > 1 µm) following scCO2 flooding, while no change was observed for smaller pores (r < 1 µm). These insights add confidence to the assessments of CO2-rock wettability and therefore reduce project risk. This work thus aids in the implementation of large-scale CO2 sequestration. |
format |
Text |
author |
Baban, Auby Al-Yaseri, Ahmed Keshavarz, Alireza Amin, R. Iglauer, Stefan |
author_facet |
Baban, Auby Al-Yaseri, Ahmed Keshavarz, Alireza Amin, R. Iglauer, Stefan |
author_sort |
Baban, Auby |
title |
CO2 – brine – sandstone wettability evaluation at reservoir conditions via nuclear magnetic resonance measurements |
title_short |
CO2 – brine – sandstone wettability evaluation at reservoir conditions via nuclear magnetic resonance measurements |
title_full |
CO2 – brine – sandstone wettability evaluation at reservoir conditions via nuclear magnetic resonance measurements |
title_fullStr |
CO2 – brine – sandstone wettability evaluation at reservoir conditions via nuclear magnetic resonance measurements |
title_full_unstemmed |
CO2 – brine – sandstone wettability evaluation at reservoir conditions via nuclear magnetic resonance measurements |
title_sort |
co2 – brine – sandstone wettability evaluation at reservoir conditions via nuclear magnetic resonance measurements |
publisher |
Edith Cowan University, Research Online, Perth, Western Australia |
publishDate |
2021 |
url |
https://ro.ecu.edu.au/ecuworkspost2013/10986 https://doi.org/10.1016/j.ijggc.2021.103435 https://ro.ecu.edu.au/context/ecuworkspost2013/article/11992/viewcontent/CO2___brine___sandstone_wettability_evaluation_at_reservoir_conditions_via_Nuclear_Magnetic_Resonance_measurements.pdf |
genre |
Carbonic acid |
genre_facet |
Carbonic acid |
op_source |
Research outputs 2014 to 2021 |
op_relation |
https://ro.ecu.edu.au/ecuworkspost2013/10986 doi:10.1016/j.ijggc.2021.103435 https://ro.ecu.edu.au/context/ecuworkspost2013/article/11992/viewcontent/CO2___brine___sandstone_wettability_evaluation_at_reservoir_conditions_via_Nuclear_Magnetic_Resonance_measurements.pdf |
op_rights |
http://creativecommons.org/licenses/by-nc-nd/4.0/ |
op_doi |
https://doi.org/10.1016/j.ijggc.2021.103435 |
container_title |
International Journal of Greenhouse Gas Control |
container_volume |
111 |
container_start_page |
103435 |
_version_ |
1779313754820837376 |