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Anomalies detected in pipelines grow due to different mechanisms such as corrosion growth and fatigue crack growth. Anomalies which pass an Immediate Integrity Assessment can grow to critical sizes during pipeline operation. The impact of change to these anomalies on the future integrity of a pipeline is assessed in a Future Integrity or Fatigue Life Assessment.
Crucial input for a Future Integrity Assessment is the rate at which anomalies deteriorate. Corrosion growth rates are ideally determined by comparing results of consecutive inspections. Fatigue crack growth strongly depends on cyclic variations in the operating pressure. Fatigue crack growth rates are calculated from pressure variations recorded over a sufficient time or can be estimated based on assumed load cycles. Pressure cycling can also lead to fatigue failure of dents.
Result of a Future Integrity or Fatigue Life Assessment is the estimated remaining life of the pipeline and corresponding repair dates for all anomalies. This is an important input for future maintenance and repair strategies and optimization of re-inspection intervals.
We use the most accurate and innovative ultrasonic technology on the market to inspect your pipelines to provide value that you can put back into your Integrity Management Program, all while keeping in mind our common goals: pipeline integrity, cost reduction and protecting the environment
Integrity Services Solutions
Our dedicated in-house teams have extensive experience working with integrity assessment methods and an intimate…
Technical Spotlight: Enhanced Sizing
An introduction to the latest innovation from NDT Global for pipeline crack inspection - Enhanced Sizing. There…
NDT Global Expands Integrity Services Solutions Creating New Value For Customers
NDT Global, a leading supplier of ultrasonic pipeline inspection and integrity services, today announced the expansion of its integrity services offering. As the inspection industry’s…
Evolving From Leading ILI Company to Preferred Provider of Integrity Management Solutions
Richard Mathews, President and CEO, NDT Global When it comes to ILI, new technologies and methods continue to prove their value in the field. As…