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Table 6

Comparative results of mobility control improvement on some properties during the assessment of secondary injection schemes.

Property Secondary injection schemes
WF SP blend Comments
Initial oil saturation (S oi) 0.69 0.67 Similar drainage cycles
VPInj up to BT 0.07 0.26 Breakthrough delay: mobility control
RF up to BT 10.1 38.5 IFT reduction and displacement efficiency improvement
PVinj up to W cut of 80% 1.5 2.46 Water production management
RF up to W cut of 80% 40.8 71.8 IFT reduction and displacement efficiency improvement
PVinj up to W cut of 95% 9.6 9.96 Similar behavior at high quantities of injected fluids
RF up to W cut of 95% 56.8 0.75 IFT reduction and displacement efficiency improvement
RF at final of the test 57.8 0.75 SP blend usage improves the process efficiency
Residual oil saturation (S or) 0.29 0.17 High oil saturation reduction (40% lower)

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