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September 17, 2025

Porosity Heterogeneity and Mineralization Roles During CO2 Geological Storage in Carbonate Saline Aquifers

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Authors

AMAbdulrahim K. Al MulhimMDMojdeh DelshadKSKamy Sepehrnoori

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Overview

Observational analysis suggests porosity heterogeneity minimally affects CO2 inventory in carbonate saline aquifers, implying key insights for mineralization.

Key Points

  • The study reveals that porosity heterogeneity has minimal long-term impact on CO2 storage inventory in carbonate saline aquifers.
  • Dissolution of calcite significantly influences early porosity changes, while dolomitization occurs steadily throughout the CO2 storage process.
  • Simulations using a 3D carbonate aquifer model demonstrated consistent CO2 plume behavior and minimal long-term variability in trapped CO2 quantities.
  • Porosity alterations occur mainly around wellbores, with the geometry affecting short-term CO2 dynamics more than long-term trends.

Cite This Study

Mulhim et al. (2025) studied this question.

synapsesocial.com/papers/68d4596631b076d99fa5c0fdhttps://doi.org/10.2118/227691-ms
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Heterogeneity Influence on Geological CO2 Storage within Carbonate Saline Aquifers2025
  2. 2Impact of Heterogeneity on CO2 Storage in Carbonate Saline Aquifers2024 · 3 citations
  3. 3Reservoir Heterogeneity Controls Long-Term CO2 Mineral Trapping and Self-Sealing in Deep Saline Aquifers: Insights from Reactive Transport Simulations2026
  4. 4An Integrated Numerical Study of CO2 Storage in Carbonate Gas Reservoirs with Chemical Interaction between CO2, Brine, and Carbonate Rock Matrix2024 · 9 citations
  5. 5Pore-Scale Evolution of Carbonate and Sandstone Reservoirs Under CO2–Brine Interaction: Implications for Sustainable Carbon Storage2025 · 4 citations