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Table 6 Initial water saturation and residual oil saturation

From: Evaluation of modified cashew nutshell liquid as natural surfactants for chemical flooding in sandstone oil reservoirs

Parameter

Value

Pore volume (cm3)

14.38

Irreducible water saturation at maximum oil saturation (cm3)

3.38

Initial water saturation (%)

23.51

Volume of crude in the plug at Swi (cm3)

11

Initial oil saturation (%)

76.49

Volume of crude recovered after imbibition (cm3)

7

Volume of residual crude oil (cm3)

4

Residual oil saturation (Sor)

0.3636

Residual oil saturation (Sor) (%)

36.36