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Graphene Modified Epoxy Coating Tubing Applied in the Water Injection Wells

  • Caihong Lu
  • Chun Feng
  • Lijuan Zhu
  • Long Jiang
  • Guhui Gao
  • Lihong Han
  • Yaorong Feng
Conference paper
Part of the Lecture Notes in Mechanical Engineering book series (LNME)

Abstract

Epoxy coatings (EP coating) with or without 0.5% graphene were prepared on the N80 tubing in order to improve its corrosion resistance in the water injection well. The performance of ordinary epoxy coating and graphene modified epoxy coating was compared by thickness measurement, adhesion test, abrasion resistance test, impact resistance test, coating microstructure analysis, corrosion test in extreme corrosive injection water of one oilfield and electrochemical test. The results indicated that adding 0.5% graphene greatly improved the density, abrasion resistance, corrosion resistance and decreased the surface roughness of the ordinary epoxy coating, due to the small size effect, self-lubricating and hydrophobicity of the grapheme. Therefore, the graphene modified epoxy coating might be an effective way of solving the corrosion and scaling of tubing in the water injection well.

Keywords

Water injection well tubing coating Epoxy (EP) coating Graphene modified epoxy coating (G-EP) Microstructure Corrosion resistance 

Notes

Acknowledgements

This work is sponsored by the Foundation Research and Strategic Reserve Technology Research Fund Project of China National Petroleum Corporation under Grant No. 2017Z-04.

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Copyright information

© Springer Nature Singapore Pte Ltd. 2018

Authors and Affiliations

  • Caihong Lu
    • 1
    • 2
  • Chun Feng
    • 1
  • Lijuan Zhu
    • 1
    • 2
  • Long Jiang
    • 1
    • 2
  • Guhui Gao
    • 3
  • Lihong Han
    • 1
    • 2
  • Yaorong Feng
    • 1
    • 2
  1. 1.State Key Laboratory for Performance and Structure Safety of Petroleum Tubular Goods and Equipment MaterialsXi’anChina
  2. 2.CNPC Tubular Goods Research InstituteXi’anChina
  3. 3.Redbud Innovation InstituteBaodiChina

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