The role of site surveys in carbon capture and storage

Long, D.; Akhurst, M.. 2012 The role of site surveys in carbon capture and storage. In: Offshore Site Investigation and Geotechnics. Integrated Geotechnologies – Present and Future. Proceedings of the 7th International Conference. Society for Underwater Technology, 253-260.

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To constrain the increase in atmospheric carbon dioxide (CO2) concentrations, there are European and na-tional drives to develop carbon capture and storage (CCS) schemes for the permanent geological storage of CO2 from industrial sources in deeply buried strata. Currently, offshore sites are considered preferable to geological store in strata onshore. Although the target storage reservoirs, saline aquifers or former hydro-carbon fields are often at depths of 1km or more, knowledge of the shallow area is important. This is not only for the positioning of infrastructure, wells, pipelines, etc., but also in the monitoring of any potential leakage from the reservoir over the site’s lifetime, which may span 25–50 years. Baseline and repeat surveys are nec-essary and may need to cover a considerably wider area than the expected plume extent in the reservoir, de-pending on the predicted gas leakage pathways. Hence a complete geological model is required from the pro-posed reservoir at a depth that is up to and includes the seabed.

Item Type: Publication - Book Section
Programmes: BGS Programmes 2010 > Geology and Landscape (Scotland)
Date made live: 29 Jan 2013 14:48 +0 (UTC)

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