Online Monitoring and Evaluating Method on the Pipe Repair Effects with Carbon Fiber Composite Materials

  • Yuntao XiEmail author
  • Rui Liu
  • Weibin Gong
  • Wei Liu
  • Minran Meng
Conference paper
Part of the Springer Series in Geomechanics and Geoengineering book series (SSGG)


Carbon fiber composite system, as an advanced pipeline repair technique being widely used in recent years, has many advantages, including online repairing, simple construction, and good repair effects. The evaluation of repair effect mainly relies on limited element analysis and bursting test, although online monitoring is a better evaluation method. For the above reasons, the stress and strain monitoring method are used to evaluate the repairing effect for the first. The results showed that the method is of simple operation and can get reliable data. The method may monitor quantitatively the capacity of bearing pipeline pressure before and after repairing in defect points. The results of field tests also show that the stress and strain monitoring method are feasible to evaluate the pipeline repair effects and can greatly reduce pipeline running risk.


Carbon fiber Repair Pipeline Stress Stain Monitoring method 


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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  • Yuntao Xi
    • 1
    • 2
    Email author
  • Rui Liu
    • 1
    • 2
  • Weibin Gong
    • 3
  • Wei Liu
    • 1
    • 2
  • Minran Meng
    • 4
  1. 1.National Engineering Laboratory for Low-Permeability Oil & Gas Exploration and DevelopmentXi’anChina
  2. 2.Oil & Gas Technology Research InstituteChangqing Oilfield CompanyXi’anChina
  3. 3.Xi’an Chang-Qing Technology Engineering Co., Ltd.Xi’anChina
  4. 4.Legal Department, Changqing Oilfield CompanyXi’anChina

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