A comprehensive review of value-added CO2 sequestration in subsurface saline aquifers

Sunil Kumar, Jalal Foroozesh*, Katriona Edlmann, Mohamed Gamal Rezk, Chun Yan Lim

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


This paper comprehensively reviews CO2 sequestration process in saline aquifers. The storage mechanisms including structural, residual, solubility, and mineral trappings are assessed along with a discussion of their relative contributions, and their key parameters and optimisations. In view of storage security and capacity, effects of rock and fluid properties and reservoir conditions together with injection strategies are discussed. Furthermore, CO2 storage site selection is investigated followed by an evaluation of the different measurement, monitoring and verification methods to mitigate the risk of leakage. Field examples with key learnings are also presented to help engineers with sustainable development of storage projects.

Original languageEnglish
Article number103437
Number of pages17
JournalJournal of Natural Gas Science and Engineering
Early online date21 Jun 2020
Publication statusPublished - 1 Sept 2020


  • CO sequestration
  • geological storage
  • global warming
  • leakage monitoring
  • saline aquifers
  • trapping mechanisms


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