oa The Effects of Wettability and Interfacial Forces on the Depressurisation of Waterflooded Reservoirs

The criticaI gas saturation when gas released from solution first becomes mobile is an important parameter in determining the economic viability of depressurising a reservoir after it has been waterflooded. If the value of the critical gas saturation is high, some considerable time elapses before any gas is produced, so that its discounted value is reduced, whereas a low value of critical gas saturation producer an early return on the investment.