Chapter 17 - Carbon Geological Storage: Coupled Processes, Engineering and Monitoring

Seunghee Kim, D. Nicolas Espinoza, Jongwon Jung, Minsu Cha, Carlos Santamarina

Research output: Chapter in Book/Report/Conference proceedingChapter

4 Scopus citations


Today’s energy concerns reflect the large anticipated increase in demand within the next generation, the current dependency on fossil fuels and climate implications, the geographic mismatch between resources and demand, and the disparity in associated time scales. The long-term geological storage of vast quantities of CO2 is a relatively new scientific and technological challenge, plagued with underlying coupled hydro-chemo-mechanical processes and potential emergent phenomena. Processes include: capillarity, density and viscous effects on flow; acidification, mineral dissolution, and ensuing changes in permeability; phase transformations (and CO2-CH4 exchange in hydrates); and stress changes. These processes are involved in the analysis of CO2 storage in saline aquifers, coal seams, depleted reservoirs, and in clathrates. Furthermore, the understanding of underlying processes guides monitoring (active: seismic and electromagnetic; passive: seismic, deformation, thermal) and may lead to improved efficiency and leakage-sealing strategies. Dimensionless ratios help identify the domain for the various dominant processes that govern CO2 geo-storage.
Original languageEnglish (US)
Title of host publicationScience of Carbon Storage in Deep Saline Formations
PublisherElsevier BV
Number of pages25
ISBN (Print)9780128127520
StatePublished - Sep 14 2018

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01
Acknowledgements: Support for this research was provided by the US Department of Energy. G. Abelskamp edited the manuscript. We are grateful to the anonymous reviewers for detailed comments and valuable insights.


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