How to improve corrosion assessment using reliability-based criteria

Illustration of the probability of failure as a function of time for a corrosion feature
Thursday, September 20th, 2018

Corrosion assessment criteria in current standards for onshore transmission pipelines rely on safety factors that are experience-based, with their implication on the risk or safety level associated with the pipeline unknown.

Working as part of a joint industry project, we have developed reliability-based corrosion assessment criteria in a deterministic format that are calibrated to achieve a specified safety level. The main features of the criteria are:

  • Inclusion of calibrated safety factors and input parameters that result in intended reliability levels within a specified tolerance
  • Consideration of two failure modes: burst and small leak
  • Easy-to-use due to its deterministic nature

Riski Adianto is presenting the results of this project at the upcoming International Pipeline Conference in Calgary, Alberta on September 28, 2018 at 8:30 a.m. to 12:00 p.m. The presentation will be in Telus McLeod E1. You will learn about the development of the reliability-based corrosion assessment criteria and the broad range of pipeline designs and corrosion conditions it can be applied to.

The entire paper – "Development of Reliability-based Criteria for Corrosion Assessment" - is available through the 2018 International Pipeline Conference.

To learn about the practical implications of the application of this criteria, please see "Does reliability-based corrosion assessment criteria reduce risk"?

Visit us at booth 303  at the International Pipeline Exposition.

Events

Tuesday, November 27, 2018 to Thursday, November 29, 2018
Banff, AB
Monday, May 6, 2019 to Thursday, May 9, 2019
Houston, Texas

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