Development of Tools to Estimate Actual Corrosion Growth Rates (Internal and External) of Gas Pipelines

Southwest Research Institute (SwRI) recently completed a Pipeline and Hazardous Materials Safety Administration (PHMSA) project on Modeling Reassessment Intervals and is conducting a PRCI project on Internal Corrosion and has identified the needs, consistent with the current PHMSA BAA, for developing guidelines for more reliably predicting field corrosion growth rates. The main objectives of the proposed work are: (1) Improving the current existing internal corrosion rate model for wet gas pipelines and further verifying the model using field corrosion growth rate data, (2) Developing a thin-film internal corrosion model to predict corrosion rates in dry gas pipelines with gas quality upsets, and verifying the model using field corrosion growth rate data, and (3) Using the existing external corrosion model to predict external corrosion rates with including the effect of CO2 permeation from soil into a disbonded region through a holiday and through the coating itself.


  • English


  • Status: Completed
  • Contract Numbers:


  • Sponsor Organizations:

    Pipeline and Hazardous Materials Safety Administration

    U.S. Department of Transportation
    East Building, 2nd Floor 1200 New Jersey Avenue, SE
    Washington, DC  United States  20590
  • Project Managers:

    Merritt, James

  • Performing Organizations:

    Southwest Research Institute

    6220 Culebra Road, P.O. Drawer 28510
    San Antonio, TX  United States  78228-0510
  • Principal Investigators:

    Song, Frank

  • Start Date: 20080501
  • Expected Completion Date: 0
  • Actual Completion Date: 20111110
  • Source Data: RiP Project 35261

Subject/Index Terms

Filing Info

  • Accession Number: 01492612
  • Record Type: Research project
  • Source Agency: Department of Transportation
  • Contract Numbers: DTPH56-08-T-000003
  • Files: RiP
  • Created Date: Sep 11 2013 1:00AM