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

Table 4

Some of the NPs employed in EOR to develop nanofluids.

Entry#	NPs	Dispersing medium	NPs conc	Surfactant conc	Core	Recovery (%)	(°C)	Ref.
	TiO2	Water	0.005	0	C	3.0	26	[41]
	TiO2	Water	0.005	0	C	4.1	40	[41]
	TiO2	Water	0.005	0	C	5.2	50	[41]
	TiO2	Water	0.005	0	C	6.6	60	[41]
	TiO2	Water	0.01	0	S	31	75	[57]
	TiO2 anatase	Water	1	0	S	−7	75	[57]
	TiO2 amorphous	Water	0.01	0	S	−26	75	[57]
		Brine	0.05	0	S	6	A	[63]
		Brine	0.05	0	S	0	A	[63]
		Brine	0.05	0	S	15	A	[63]
		Brine	0.05	0	S	3	A	[63]
		Brine	0.05	0	S	3	A	[63]
		Brine	0.05	0	S	12	A	[63]
	SiO2	Water	0.1	0	S	8.7	A	[39]
	SiO2	Water	0.3	0	S	26	A	[39]
	CaCO3	Alcohol	0.05 g	0	C	8.7	70	[61]
	SiO2	Heptane	0.3 g	0	C	7.7	70	[61]
	SiO2	Water	0.005	0	C	2.0	26	[41]
	SiO2	Water	0.005	0	C	2.5	40	[41]
	SiO2	Water	0.005	0	C	2.8	50	[41]
	SiO2	Water	0.005	0	C	2.9	60	[41]
	SiO2	Propanol	0.15	0	S	22.5	A	[2]
	SiO2	Brine	0	0.5	S	12.1	60	[3]
	SiO2	Brine	0.1	0.5	S	16.3	60	[3]
	SiO2	Brine	0.5	0.5	S	24.4	60	[3]
	SiO2	Brine	1.0	0.5	S	29.3	60	[3]
	SiO2	Brine	1.5	0.5	S	37.6	60	[3]
	SiO2	Brine	2.0	0.5	S	38.3	60	[3]
	SiO2	Ethanol	0.3	0	S	5	—	[40]
	SiO2	Brine	0.3	0	S	4.2	—	[40]
	SiO2	Water	0.3	0	S	0.8	—	[40]
	SiO2	Ethanol	0.3	0	S	1.7	—	[40]
	SiO2	Water	0.2	0	S	0.75	A	[50]
	SiO2	Ethanol	0.3	0	S	38.75	A	[50]
	SiO2	Ethanol	0.3	0	S	36.67	A	[50]
	Al2O3	Water	0.005	0	C	4.5	26	[41]
	Al2O3	Water	0.005	0	C	5.4	40	[41]
	Al2O3	Water	0.005	0	C	7.0	50	[41]
	Al2O3	Water	0.005	0	C	9.9	60	[41]
	Al2O3	Ethanol	0.3	0	S	−0.9	—	[40]
	Al2O3	Brine	0.3	0	S	5	—	[40]
	Al2O3	Water	0.3	0	S	12.5	—	[40]
	Al2O3	Propanol	0.15	0	S	20.2	A	[2]
	MgO	Ethanol	0.3	0	S	−4.5	—	[40]
	MgO	Brine	0.3	0	S	−2.5	—	[40]
	MgO	Water	0.3	0	S	1.7	—	[40]
	Fe2O3	Ethanol	0.3	0	S	−4.2	—	[40]
	Fe2O3	Brine	0.3	0	S	0	—	[40]
	Fe2O3	Water	0.3	0	S	9.2	—	[40]
	Fe2O3	Propanol	0.15		S	17.3	A	[2]
	Ni2O3	Ethanol	0.3	0	S	−5.0	—	[40]
	Ni2O3	Brine	0.3	0	S	1.7	—	[40]
	Ni2O3	Water	0.3	0	S	2.0	—	[40]
	ZnO	Ethanol	0.3	0	S	−4.2	—	[40]
	ZnO	Brine	0.3	0	S	−4.2	—	[40]
	ZnO	Water	0.3	0	S	3.3	—	[40]
	ZrO2	Ethanol	0.3	0	S	−5.0	—	[40]
	ZrO2	Brine	0.3	0	S	−3.3	—	[40]
	ZrO2	Water	0.3	0	S	4.2	—	[40]
	SnO	Ethanol	0.3	0	S	−13.4	—	[40]
	SnO	Brine	0.3	0	S	−3.3	—	[40]
	SnO	Water	0.3	0	S	3.3	—	[40]

Concentration, temperature, carbonate core, sandstone core, the same SiO₂ concentration but different SW composition during preparation, and ambient conditions.