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<p>Integrating carbon dioxide (CO<sub>2</sub>)-based chemical enhanced oil recovery (CEOR) with CO<sub>2</sub> sequestration offers a dual solution for both decarbonization and addressing global energy demands. This review critically evaluates advanced CO<sub>2</sub>-based CEOR techniques, including nanoparticle-enhanced CO<sub>2</sub> flooding, CO<sub>2</sub> foams, and water alternating gas, emphasizing their effectiveness in enhancing oil recovery through mechanisms such as mobility control, wettability alteration, and interfacial tension reduction. Additionally, the potential of geological CO<sub>2</sub> storage is explored, with a focus on its role in mitigating CO<sub>2</sub> emissions via mineral, structural, and solubility trapping in various geological formations. The successful application of CO<sub>2</sub>-based CEOR requires comprehensive investigation, mitigation strategies, a robust policy framework, and ongoing monitoring, thus emphasizing the challenges. This review highlights the challenges and aims to bridge technological gaps between CO<sub>2</sub>-based CEOR and geological CO<sub>2</sub> sequestration by examining recent advancement, identifying integration challenges, and outlining opportunities for sustainable deployment. Emphasizing the collective potential of these technologies, this review underscores their capacity to extend reservoir productivity, optimize oil recovery, and contribute to global climate goals. The findings offer actionable insights to improve environmental safety and economic feasibility, paving the way for innovative solutions in sustainable energy production.</p>

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Advances in CO2-Enhanced Oil Recovery and Sequestration: A Review on Integration for Climate and Energy Goals

  • 期刊论文

  • 发表日期：

    2025年6月25日

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  • Nabaz Ali Abdulrahman,
  • Abbas Khaksar Manshad

摘要

Integrating carbon dioxide (CO2)-based chemical enhanced oil recovery (CEOR) with CO2 sequestration offers a dual solution for both decarbonization and addressing global energy demands. This review critically evaluates advanced CO2-based CEOR techniques, including nanoparticle-enhanced CO2 flooding, CO2 foams, and water alternating gas, emphasizing their effectiveness in enhancing oil recovery through mechanisms such as mobility control, wettability alteration, and interfacial tension reduction. Additionally, the potential of geological CO2 storage is explored, with a focus on its role in mitigating CO2 emissions via mineral, structural, and solubility trapping in various geological formations. The successful application of CO2-based CEOR requires comprehensive investigation, mitigation strategies, a robust policy framework, and ongoing monitoring, thus emphasizing the challenges. This review highlights the challenges and aims to bridge technological gaps between CO2-based CEOR and geological CO2 sequestration by examining recent advancement, identifying integration challenges, and outlining opportunities for sustainable deployment. Emphasizing the collective potential of these technologies, this review underscores their capacity to extend reservoir productivity, optimize oil recovery, and contribute to global climate goals. The findings offer actionable insights to improve environmental safety and economic feasibility, paving the way for innovative solutions in sustainable energy production.