Figure 4.

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The experimental setup for the foam and CAF floods evaluation. 1 – CO2 tank, 2 – Gas mass flow control system, 3 – Foam generator, 4 – Chemical solution, 5 – Sythetic brine/crude oil, 6 – Injection pump, 7 – Pressure transducer, 8 – Core holder, 9 – Back pressure regulator, 10 – Graduated cylinder, 11 – Data acquisition system, 12 – Heating system.