What question did this study set out to answer?

This research aims to understand how reservoir mineral composition affects CO2 behavior in saline aquifers during carbon capture and storage (CCS).

July 8, 2026Energy & Fuels

Mineralogical Controls on CO 2 Plume Migration and Mineral Trapping in the United Kingdom Continental Shelf Saline Aquifer

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Authors

KHKoichi Hayafuji PJPrashant Jadhawar YEYogarajah Elakneswaran

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Overview

Randomized trial investigates CO2 mineralization mechanisms in UK saline aquifers, indicating mineral composition significantly impacts trapping efficiency.

Key Points

This research aims to understand how reservoir mineral composition affects CO2 behavior in saline aquifers during carbon capture and storage (CCS).
Utilized CMG-GEM simulator to create three models with varying mineral compositions: coarse sandstone, siltstone, and chamosite-rich variant.
Conducted 35 years of CO2 injection followed by 965 years of post-injection monitoring, totaling 1000 years of simulation.
Performed sensitivity analysis using CMG-CMOST to assess effects of kaolinite and chamosite abundances on mineral trapping.
CO2 plume migration was significantly influenced by reservoir heterogeneity, with low-permeability layers altering plume pathways.
Coarse sandstone model showed greater solubility trapping, while siltstone model exhibited enhanced mineral trapping through siderite precipitation.
Chamosite dissolution provided Fe2+ for siderite formation but excessive dissolution restricted further mineralization due to pH buffering.

Cite This Study

Hayafuji et al. (2026) studied this question.

synapsesocial.com/papers/6a4de835d2ea289ef6283055 https://doi.org/10.1021/acs.energyfuels.6c01260

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July 8, 2026Energy & Fuels

Mineralogical Controls on CO 2 Plume Migration and Mineral Trapping in the United Kingdom Continental Shelf Saline Aquifer

View Full Paper

Ask AI

Bookmark

Authors

KHKoichi Hayafuji PJPrashant Jadhawar YEYogarajah Elakneswaran

Discussion

Member takes

Overview

Randomized trial investigates CO2 mineralization mechanisms in UK saline aquifers, indicating mineral composition significantly impacts trapping efficiency.

Key Points

This research aims to understand how reservoir mineral composition affects CO2 behavior in saline aquifers during carbon capture and storage (CCS).
Utilized CMG-GEM simulator to create three models with varying mineral compositions: coarse sandstone, siltstone, and chamosite-rich variant.
Conducted 35 years of CO2 injection followed by 965 years of post-injection monitoring, totaling 1000 years of simulation.
Performed sensitivity analysis using CMG-CMOST to assess effects of kaolinite and chamosite abundances on mineral trapping.
CO2 plume migration was significantly influenced by reservoir heterogeneity, with low-permeability layers altering plume pathways.
Coarse sandstone model showed greater solubility trapping, while siltstone model exhibited enhanced mineral trapping through siderite precipitation.
Chamosite dissolution provided Fe2+ for siderite formation but excessive dissolution restricted further mineralization due to pH buffering.

Cite This Study

Hayafuji et al. (2026) studied this question.

synapsesocial.com/papers/6a4de835d2ea289ef6283055 https://doi.org/10.1021/acs.energyfuels.6c01260

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