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The study aims to assess the feasibility of CO2 sequestration in the Ordos Basin at approximately 1100 m depth.

January 18, 2026ProcessesOpen Access

Numerical Investigation of CO2 Mineralization and Geomechanical Response During CO2 Storage in Saline Aquifer

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Numerical investigation evaluates CO2 mineralization responses in saline aquifers, implying enhanced storage feasibility.

The study aims to assess the feasibility of CO2 sequestration in the Ordos Basin at approximately 1100 m depth.
Numerical simulation using CMG-GEM simulator
Formulated a coupled hydraulic-mechanical-chemical model
Analyzed multiphase fluid flow and geochemical interactions
CO2 injection leads to mineral precipitation and dissolution, affecting storage characteristics
Limited effect on porosity with only a 1.2% reduction observed
Ground uplift due to CO2 injection varies with the rate, showing up to 9.4 cm displacement at higher rates

Li et al. (2026) studied this question.

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