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IEA Greenhouse Gas R&D Programme

IEAGHG funds research into the development and deployment of carbon capture and storage (CCS) technologies

Facilitating technology advancements, addressing barriers, and enabling deployment. Our work focuses on technologies that can reduce our carbon emissions, and mitigate climate change and global warming. We are a not for profit organisation, and all of our work is subject to peer review ensuring that it remains impartial and unbiased.

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2017-08 Front Cover Website

CO2 Migration in the Overburden

This report summarises the characteristics and processes that can influence the retention and migration of CO2 above a deep geological storage site. The potential rates of migration for each migration pathway and the implications for leakage are discussed. Secondary trapping mechanisms within the overburden are also discussed within the report.  The conclusions are focused on tying overburden characteristics to their impact on developing risk assessments.

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