engleski

Possible improvements of CO2 flood performance in Ivanić oilfield, R. Croatia

The efficiency of gas injection IOR processes depends on many parameters. Two of them: injection gas purity and gas mobility are dealt with in this work, related to tertiary CO2 flood in Ivanic oilfield. Laboratory tests performed show that in certain concentration range the presence of solution gas in ure CO2 stream moderately influences MMP, allowing produced gas recycling in a later phase of the project. Also, additional reduction of injection gas mobility can be achieved by formation of foam, thus leading to improved oil recovery.

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