Figure TS.7. Methods for storing CO₂ in deep underground geological formations

Methods for storing CO₂ in deep underground geological formations. Two methods may be combined with the recovery of hydrocarbons: EOR (2) and ECBM (4). See text for explanation of these methods (Courtesy CO₂CRC).

Source: IPCC  Carbon Dioxide Capture and Storage: Technical Summary (2005)
5. Geological storage, p. 29