Feasibility Study on CO2 EOR of a Carbonated Reservoir in Southwest of Iran

This is a case study about evaluation of Ilam reservoir, one of the main oil reservoirs in most of the south-west oil fields of Iran, to find if there is any possibility to do a CO2 EOR project. Candidate oil field for doing this research is near to 3 power plants in southwest of Iran, which means that carbon capture is possible. From the geological point of view, because of the calm tectonics regime, the cap rock is complete and CO2 gas storage is possible. The Ilam reservoir conditions in oil fields of that area are approximately similar except the reservoir pressure. It depends to production history of the reservoir in each field. So, technology and strategy don’t allow to do injection until pressure reduction over a long time production.