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Abstract

Summary

Carbon Capture and Storage (CCS) is a critical technology for mitigating anthropogenic CO2 emissions, particularly in hydrocarbon-rich regions like the Middle East, where significant CO2 emissions are generated by industry and substantial underground storage capacity is available. The efficiency and security of CO2 storage heavily depend on many geological characteristics of the saline aquifer, such as structure dip, reservoir quality, heterogeneity and connectivity, and top seal integrity. However, these geological characteristics are largely controlled by depositional environments.

This study investigates how different depositional settings, specifically that of carbonate platforms and fluvial reservoirs, influence CO2 plume migration and long-term storage behaviour. Carbonate reservoirs, often characterized by complex pores network and porosity-permeability relationship due to diagenesis, as well as fluvial systems with heterogeneous, channelized architectures and compartmentalized reservoir, present distinct challenges for CO2 storage in deep saline aquifers. Understanding the impact of depositional environments on CO2 plume dynamics and behaviours is essential for optimizing CO2 storage site selection and ensuring containment security.

© EAGE Publications BV
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/content/papers/10.3997/2214-4609.2025644012
2025-10-20
2026-01-17

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The Impact of Depositional Environment on the Fate of CO2 Plume: Case Study from Saudi Arabia
Conference Proceedings 2025, 1 (2025); https://doi.org/10.3997/2214-4609.2025644012
/content/papers/10.3997/2214-4609.2025644012
/content/papers/10.3997/2214-4609.2025644012
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