Risk Assessment of CO2 Pipeline Network for CCS – A UK Case Study

Abstract

Carbon Capture and Storage (CCS) requires new processes for the capture of CO₂ using a variety of existing technologies and also potentially new processes which are still under development. Transport of CO₂ in bulk, by pipeline from point sources or ship is also new processes and then can produce emerging risks. The majority of existing CO₂2 pipeline in the USA and Canada are located along with substantial infield pipe work for Enhanced Oil Recovery (EOR) projects (Kelliher et al, 2008; Kadnar, 2008). The USA experience cannot be easily applied to other regions or situations, in particular in Europe, because the CO₂ pipelines in USA are located in areas with low population density. In fact, as stated in the report of the IPCC on CCS (IPCC, 2005), there is a lack of knowledge of safety concerning the pipeline transmission of CO₂ in densely populated areas. External safety is one key aspect that should be assessed prior and during the operational phases of CO₂ transport. Before starting the design a network, it is necessary select and identified the route corridor of the pipeline.