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Table 1.

Summary on the study of nanofluid EOR.

Authors Date Sources Mechanisms Chemicals Nanoparticle IFT change (%) θ change (%) Rocks EOR (%)
Suleimanov et al. 2011 JPSE Reduce IFT Decrease θ Increase μ w, 2 cp Anionic, Sodium 4-alkyl-2ylbenzenesulfonate Nanoparticle: nonferrous metal Size: 70–150 nm C: 0.001% wt D: 0.32–0.37 g/cm3 Oil: 7 cp PH: NA 70–90 (10.9–1.04 dynes/cm) 17 (23–19°) Rock: NA ϕ = 26% k = 1000 md 12–17
Metin et al. 2012 Nanopart Res None Cationic (quaternary ammonium (quat)) or nonionic polyethylene glycol (PEG) Nanoparticle: silica Size: 5–75 nm C: 0.04, 0.2, & 1%D: NA Oil: decane PH: NA 4 (45–43 dynes/cm) 22 (59–46°) Rock: NA ϕ = NA k = NA NA
Karimi et al. 2012 Energy & Fuels Decrease θ Tween 80 Span 85 Glycerin LA2 Nanoparticle: zirconium oxide Size: 24 nm C: 0.05, 0.10 gr/cc D: NA Oil: n-heptane PH: 2–3 NA (180–32°) Rock: Carbonate ϕ = 20% k = 30 md 10
Zhang et al. 2014a Energy & Fuels Reduce IFTDecrease θ IIT nanofluid (no details) Nanoparticle: silica Size: 20 nm C: 10% vol.D: 1.15 g/cm3 Oil: crude, 94.88 cp (25 °C) PH: 9.7 91 (16–1.4 dynes/cm) 98 (74–1.2°) Rock: Berea sandstone ϕ = 20% k = 400 md 33
Moradi et al. 2015 SPE 178040 Reduce IFT Decrease θ No chemicals added Nanoparticle: silica Size: 11–14 nm C: 0.1% mass D: NA Oil: crude, 30.3 cp (60 °F) PH: 9.7 21 (13.62–10.69 dynes/cm) 87 (122–16°) Rock: Carbonate ϕ = 10.33% k =2.839 md 23.5
Hendraningrat, et al. 2013 JPSE Reduce IFTDecrease q Povidone: polyvinylpyrrolidone (PVP) Nanoparticle: silica Size: 21–40 nm C: 0.01–1.0% mass D: NA Oil: crude, 5.1 cp (21.4 °C) PH: 3–5 58.9 (19.2–7.9 dynes/cm) 59.3 (54–22°) Rock: Berea sandstone f=13.93–23.20% k = 9–400 md 0–6.1
Hendraningrat and Torsaeter 2014 OTC 24696 Decrease q Povidone: polyvinylpyrrolidone (PVP) Nanoparticle: Aluminium, titanium, silica Size: 17–40 nm C: 0.05% mass D: 1.01–1.02 g/cm3 Oil: crude, 5–50 cp (22 °C) PH: 3–6 NA 61.1 (54–21°) Rock: Berea sandstone f = 15% k = 60 md 7–24
Ogolo et al. 2012 SPE 160847 Reduce IFTReduce μ 0 Change θ Ethanol Nanoparticle: Al2O3 et al. Size: 10–70 nm C: 3 g/LD: NA Oil: 55.3 cp (27 °C) PH: NA NA NA Sand pack 12
Mcelfresh et al. 2012 SPE 154827 Reduce IFT Decrease θ NA Nanoparticle: silica Size: 4–20 nm C: 10%D: NA Oil: San Andres crude oil PH: NA NA NA Rock: Berea sandstone ϕ = 20% k = 40, 160 md 22 for imbibition
El-Diasty and Aly 2015 SPE-175806 Change SDPChange θ Log-jamming Nanoparticle: silica Size: 5–60 nm C: 0.01–3% wt D: NA Oil: Mineral oil (27.3 API) PH: NA NA NA Rock: sandstone ϕ =26% k =378.73 md 5–35
Luo et al. 2016 PNAS Climbing film Slug-like displacement Nanoparticle: amphiphilic graphene nanosheets Size: 1 nm (thickness) C: 0.01%D: NA Oil: Heptane PH: NA NA NA Rock: artificial rock ϕ = 24.8–27.9% k = 44.5–132 md 6.7–15.2
Hu et al. 2016 Energy & Fuels Change θ Change mobility Log-jamming Polymer surfactant Nanoparticle: TiO2 Size: 150 ± 20 nm C: 10–500 ppm D: NA Oil: HVI 60 mineral oil, 42.75 cp (25 °C) PH: 6.72 Zeta: −32.0 ± 1.0 mV Not monotonic (47.5–49.0 then 44.5 dynes/cm) 55.6 (18–8) Rock: Berea sandstone ϕ = 18–25% k = 100–1000 md 9.5–13.3
Nwidee et al. 2017 JPSE Change θ Nanoparticle: ZrO2 and NiO Size: < 50 nmC: 0.004–0.05 wt%D: 5.89 g/mL at 25 °C Oil: Toluene PH: NA NA 71 (152–44) Calcite crystals NA
Jiang et al. 2017 SPE 187096 Change θ No chemicals added Nanoparticle: silica Size: 10–150 nm C: 0.01–1.0 wt% D: NA Oil: n-decanePH: NA Rock: carbonate ϕ = 28% k = 225.4 md 8.7

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