Optimizing nanoemulsions as fluid flowback additives in enhancing tight gas production

Yang, Jiang; Jiang, Wei; Guan, Baoshan; Lü, Yongjun; Qiu, Xiaohui

doi:10.1016/j.petrol.2014.06.025

Cited by 6 publications

(2 citation statements)

References 5 publications

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“…Nanoemulsions have been widley studied and applied in various industries, including food, 23,24 medicine, 25,26 petrochemicals, 27 cosmetics, 28 and pesticides 29,30 . Nanoemulsions feature not only fine droplets, uniform distribution, high stability and simple production processing, but also excellent deposition, expansion and penetration of the surface of the insect body and plant foliage 31–33 .…”

Section: Introductionmentioning

confidence: 99%

Development of abamectin‐loaded nanoemulsion and its insecticidal activity and cytotoxicity

Feng

Chen

Liu

et al. 2020

Pest Management Science

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BACKGROUND: Owing to the advantages of high-efficiency, environmental protection and safety, nanoemulsions have become a highly popular water-insoluble pesticide delivery system in recent years. RESULTS: In this study, abamectin-loaded nanoemulsion with remarkable physical stability and application performance was obtained by selecting the type and concentration of surfactant and the emulsification method. The optimal formula was 2% abamectin and 5% castor oil polyoxyethylene (EL-40) dissolved in 7.5% hydrocarbon solvent (S-200) made up to 100% with deionized water, which conformed to the quality indicators from the Food and Agriculture Organization (FAO) standards. Droplets on cabbage leaves showed a small dynamic contact angle, which ensured that the resulting nanoemulsion exhibited excellent wettability and diffusivity. Compared with emulsifiable concentrates (EC) and microemulsions (ME), the abamectin-loaded nanoemulsion had the lowest LC 50 (0.0686 mg L −1) to third-instar larva of Plutella xylostella, causing the larval body to blacken and shrivel, which improved insecticidal activity. In addition, the abamectin-loaded nanoemulsion had low cytotoxicity. The viability of dendritic cells with added nanoemulsion reached 100% after 2 h, whereas that of cells with EC and ME was lower. After 24 h, the cell viability of dendritic cells with added ME was 0. CONCLUSION: This research facilitated the design and fabrication of nanoemulsions for water-insoluble pesticide to enhance insecticidal activity, lower cytotoxicity and reduce environmental pollution.

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Section: Introductionmentioning

confidence: 99%

Development of abamectin‐loaded nanoemulsion and its insecticidal activity and cytotoxicity

Feng

Chen

Liu

et al. 2020

Pest Management Science

View full text Add to dashboard Cite

show abstract

“…The enhanced fluid recovery and relative permeability were the result of IFT and CA alterations. 18,31 Hydraulic fracturing operations, particularly in tight gas reservoirs, have seen a continuous surge of interest in utilizing MEs to reduce flowback pressure and allow piston-like flow during the recovery of injected fluids, resulting in minimal losses. 10 Unlike wellbore remediation methods, microemulsion flooding involves more than one well and can sweep a much larger area of the reservoir.…”

Section: Introductionmentioning

confidence: 99%

Microemulsion-enhanced displacement of oil in porous media containing carbonate cements

Qin

Javanbakht

Goual

et al. 2017

Colloids and Surfaces A: Physicochemical and Engineering Aspect

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The impact of rock characteristics on the complex fluid-rock interactions is investigated  MEs enhance the immiscible displacement (or mobilization) of NAPL by decreasing IFT and oil droplet size  MEs promote the desorption of NAPL from rock surfaces (or solubilization) thereby altering their wettability  At low concentration, MEs outperform surfactants in rocks containing carbonate cements

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Micro-scale displacement of NAPL by surfactant and microemulsion in heterogeneous porous media

Javanbakht

Arshadi

Qin

et al. 2017

Advances in Water Resources

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Optimizing nanoemulsions as fluid flowback additives in enhancing tight gas production

Cited by 6 publications

References 5 publications

Development of abamectin‐loaded nanoemulsion and its insecticidal activity and cytotoxicity

Development of abamectin‐loaded nanoemulsion and its insecticidal activity and cytotoxicity

Microemulsion-enhanced displacement of oil in porous media containing carbonate cements

Micro-scale displacement of NAPL by surfactant and microemulsion in heterogeneous porous media

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