Norway study finds CO2 EOR too expensive, risky

Carbon dioxide injection currently is not a commercial alternative for enhancing oil recovery off Norway, according to an April 2005 Norwegian Petroleum Directorate (NPD) study.The study found several impediments for injecting CO2, even though it determined that the technology was feasible and could substantially increase oil recovery.The main impediments were the expense for building a network for delivering CO2 to the fields and the high estimated $30-33/bbl cost for oil recovery.Norway recoveriesFields off Norway already have high recovery factors because operators have implemented such technologies as early water and gas injection, wells with multiple horizontal branches, advanced sei...

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