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Corrosion Resistance of Epoxy Resin Paint Modified by Hybrid Silica Sol in Simulated Oilfield Produced Water

  • Xia Wang
  • Xingxing Ji
  • Feiyu Wang
  • Hui Wang
  • Shuaifei Ren
Conference paper
Part of the Springer Proceedings in Energy book series (SPE)

Abstract

Using organic-inorganic hybrid silica sol as modifier to prepare the modified epoxy resin paint, and the corrosion resistance of epoxy resin paint in simulated oilfield produced water was studied by electrochemical impedance spectroscopy test (EIS) and autoclave test, with scanning electron microscope (SEM) and energy dispersive spectrometer (EDS) as ancillary analyses. The results showed that when the paint coat was soaked for 7 days at different temperatures, the coating resistance could reach 107–108 Ω. When the temperature is 50 °C, the maximum resistance of coating is about 8.073 × 107 Ω, and the corrosion resistance property is the best. In addition, when the resin paint is soaked in the condition of T = 100 °C and P (CO2) = 2 MPa with high-temperature autoclave for two days, the surface of resin paint has no foaming and shedding phenomenon. The SEM and EDS analysis show that the corrosion resistance of the coating in simulated oilfield produced water is improved significantly.

Keywords

Organic-inorganic hybrid silica sol Epoxy resin Oilfield produced water Electrochemical test 

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Copyright information

© Springer Nature Singapore Pte Ltd. 2018

Authors and Affiliations

  • Xia Wang
    • 1
  • Xingxing Ji
    • 1
  • Feiyu Wang
    • 1
  • Hui Wang
    • 1
  • Shuaifei Ren
    • 1
  1. 1.School of Material Science and EngineeringSouthwest Petroleum UniversityChengduChina

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