About this Research Topic

Background

The fundamental objective of this Research Topic is to understand reservoir processes an global best practices in view of CO2 sequestration, aided by theoretical, experimental, numerical, or field approach. While the mechanism of CO2 storage in various sinks have been established, the factors determining the storage capacity or flow dynamics are yet to be elucidated. In addition to various sub-surface considerations, an important underlying point is how such models may be integrated into broader scale analyses. Sequestration may also create additional water treatment requirements, which require advanced technological and regulatory studies. These understandings are crucial in optimizing the reliable disposal of CO2 and responsibly optimize hydrocarbon production through enhanced recovery.

We welcome contributions in novel methodologies, case studies, experimental and numerical approaches to characterize and/or understand the reservoir behavior during CO2 sequestration encompassing but not exclusively of conventional and unconventional reservoirs, saline aquifers and basalt formations. A cross-linking of experimental and numerical approaches for a comprehensive understanding of CO2 storage reservoirs can facilitate, promote and expand the scope of the study, which will play a pivotal role in improving the precision and usability of theoretical, experimental, and numerical approaches for understanding reservoir processes. Case studies of ongoing storage projects will help with a better understanding of coupled processes for specific reservoir types to the scientific community. Similarly, analyses using multiple novel modeling tools (integrated assessment, life-cycle assessment) and socio-political perception of integrating these technologies into the energy systems are warmly encouraged.

The Research Topic shall cover recent developments in the understanding of the reservoir processes and global best practices associated with the geological storage of carbon dioxide. Geologic storage of CO2 is considered as one of the promising methods to reduce carbon footprint significantly and is a large-scale mitigation measure for the potentially catastrophic climate change. The subsurface injection and storage include various opportunities and challenges.

The Research Topic will bring out the current status, scientific and technological advances in the storage of CO2 in a geological formation. Sub-themes to be included in the topic are:
• Trends and developments in CO2 storage
• Trapping mechanism of CO2 Storage
• Identification of suitable geological sites and analyzing overall scope for carbon storage
• CO2 sequestration in a depleted hydrocarbon reservoirs
• CO2 enhanced petroleum and coalbed methane recovery
• Mineral carbonation, enhanced weathering, and ocean alkalinity
• CO2 storage monitoring
• Effectiveness of carbon sequestration in delivering net-zero emissions
• CO2 storage: risk and challenges
• Case studies
• Life-cycle analysis
• BECCS in net-negative emissions
• Stacked storage for carbon negative fuels
• Policy and techno-economic issues pertaining to CO2 storage

We welcome research articles, perspective pieces as well as other types of articles noted on the Frontiers in Climate website. For more information about article types and formatting requirements, please visit this webpage or get in touch with the Guest Editors

Keywords: CO2 sequestration, carbon capture use and storage, saline aquifier, basalt formation, reservoirs

Important note: All contributions to this Research Topic must be within the scope of the section and journal to which they are submitted, as defined in their mission statements. Frontiers reserves the right to guide an out-of-scope manuscript to a more suitable section or journal at any stage of peer review.

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