Large scale carbon capture and storage in Brazil: A preliminary cost modelling for Campos Basin's oil fields

Cost assessment for large-scale deployment of carbon capture and storage (CCS) in Brazil was studied. The CO₂ geological storage in Campos Basin, one of the sedimentary basins with large oil reserves in Brazil, was selected for a case study. About 76% of this basin's CO₂ storage capacity (considering 17 oil fields) can be used at storage costs lower than €4/ton CO₂. About 10 ton CO₂ can be captured from neighboring sources at costs < €28/ton CO₂. An assessment of CCS chains under four different scenarios showed average costs for complete CCS chains in the range of €47ton by 2025 in a scenario with 10 ton CO₂ stored/yr to €82/ton in a scenario with 35 ton CO₂ stored/yr. In the latter scenario, the estimated storage capacity of Campos basin's oil fields is filled in about 27 yr. In all scenarios, CO₂ capture contributed the most to the total costs. Air-con, socio-economics (303).