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October 13, 2025

Heterogeneity Influence on Geological CO2 Storage within Carbonate Saline Aquifers

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Authors

AMAbdulrahim K. Al MulhimThe University of Texas at AustinMDMojdeh DelshadThe University of Texas at AustinKSKamy SepehrnooriThe University of Texas at Austin

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Implication

Numerical simulation reveals that varying heterogeneity influences CO2 distribution in carbonate saline aquifers, suggesting pathways for enhanced storage.

Key Points

  • CO2 distribution in carbonate saline aquifers is significantly influenced by vertical permeability to horizontal permeability ratios.
  • Higher KVKH ratios lead to increased dissolved CO2 levels while masking short-term heterogeneity effects in long-term storage.
  • Numerical simulation helped evaluate CO2 migration paths across various degrees of geological heterogeneity.
  • Autocorrelation length has a more profound effect on CO2 distribution than the degree of heterogeneity itself.

Cite This Study

Mulhim et al. (2025) studied this question.

synapsesocial.com/papers/68ed3352c8c3d6f5ff5dd967https://doi.org/10.2118/226408-ms
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