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标题:Carbon dioxide-in-oil emulsions stabilized with silicone-alkyl surfactants for waterless hydraulic fracturing
时间:2020-06-30 13:01:24
DOI:10.1016/j.jcis.2018.04.056
大小:2593 kb
页数:16 PAGES
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目录:
  • Carbon dioxide-in-oil emulsions stabilized with silicone-alkyl surfactants for waterless hydraulic fracturing
    • 1 Introduction
    • 2 Experimental
      • 2.1 Materials
    • 3 Experimental procedures
      • 3.1 Phase behavior, density and viscosity of systems excluding the emulsions
      • 3.2 Stability and viscosity of emulsions formed in a batch windowed phase behavior cell
      • 3.3 Capillary viscometry and droplet size measurements of emulsions formed by shear through a glass beadpack
      • 3.4 Surface tension and high pressure interfacial tension (IFT) measurements
    • 4 Results and discussion
      • 4.1 CO2-mineral oil phase behavior without surfactant
      • 4.2 Density of mineral oil saturated with CO2
      • 4.3 Falling ball viscometer results for CO2-saturated mineral oil
      • 4.4 Air-oil surface tension and surfactant adsorption
      • 4.5 CO2-oil interfacial tension and surfactant adsorption
      • 4.6 Interaction potential prediction for CO2 droplets in mineral oil
      • 4.7 Emulsion generation experiments in stirred batch falling ball viscometer
      • 4.8 Effect of surfactant concentration, emulsion quality and shear rate on droplet size and apparent viscosities of the emulsions formed in the glass beadpack
    • 5 Conclusions
    • Conflict of interest
    • Acknowledgments
    • References

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