Storage Print

Once at the storage site, the CO2 can be pumped down to more than 800m depth into the porous space contained in solid rock where it is expected to stay for thousands of years. Storage concepts have been proven by several projects. Since the 1970s, CO2 has been pumped underground in oil reservoirs to enhance the recovery of oil. Since 1996, a Norwegian oil company stores annually one million tonnes of CO2 in underground layers in the North Sea and in the last years other CO2 storage projects (e.g., Snohvit, In Salah, Weyburh) have been carried out around the world. Monitoring is carried out to find out what happens to the CO2 and how much CO2 can be stored in a specific location depends on the local geological conditions as well as on the accessibility of this location.