Recent Advances in Nanoparticles Enhanced Oil Recovery: Rheology, Interfacial Tension, Oil Recovery, and Wettability Alteration

Table 2

IFT data of different nanofluids.

Entry#	NPs	NPs conc.; (wt%)	Dispersion media	Surfactant conc.; (wt%)	IFT without NPs; (mN/m)	IFT with NPs; (mN/m)	Ref.
(1)	SiO2	0.3	Propanol	0	38.5	1.45	[2]
(2)	SiO2	0.1	Water	0	13.62	10.69	[42]
(3)	SiO2	0.1	Ethanol	0	25	5	[52]
(4)	SiO2	0.05	Brine	0	19.2	16.9	[65]
(5)	SiO2	0	Brine	0.5	21.7	4.2	[3]
(6)	SiO2	0.1	Brine	0.5	21.7	4.5	[3]
(7)	SiO2	0.5	Brine	0.5	21.7	5.2	[3]
(8)	SiO2	1.0	Brine	0.5	21.7	5.8	[3]
(9)	SiO2	1.5	Brine	0.5	21.7	6.1	[3]
(10)	SiO2	2.0	Brine	0.5	21.7	6.3	[3]
(11)	Al2O3	0.3	Propanol	0	38.5	2.25	[2]
(12)	Fe2O3	0.3	Propanol	0	38.5	2.75	[2]
(13)	ZrO2	0.01	Water	0.2	16	3.1	[66]
(14)	ZrO2	0.01	Water	0.3	18.4	5.4	[66]
(15)	ZrO2	0.001	Water	0	51.4	37.2	[56]
(16)	ZrO2	0.01	Water	0	51.4	37.2	[56]
(17)	ZrO2	0.1	Water	0	51.4	36.8	[56]