Corrosion Monitoring

Non-Destructive Testing (NDT) using ultrasonic technology

The Ultramonit™ system uses ultrasonic pulse-echo technology to provide accurate measurements of internal corrosion and erosion rates.

Ultrasonic pulse-echo measurement is a well-established NDT (non-destructive testing)[1] method for measuring wall thickness and detecting defects.  When it comes to corrosion monitoring, ultrasound has distinct advantages compared to other available technologies. It is non-invasive and measures the metal thickness directly and not via more or less dependable indicators.

Advances in low-noise electronics, sensor technology and signal processing algorithms now make it possible to achieve high resolution results using a permanently installed ultrasound unit.

[1]NDT – Non Destructive Testing

The use of noninvasive techniques to determine the integrity of a material, component or structure or to quantitatively measure a characteristic of an object, i.e. inspect or measure without doing harm. Source: http://www.ndt-ed.org/index_flash.htm

Key advantages:

  • Non-intrusive, meaning no threat to the integrity of the pipeline
  • Number and placement of sensors determined according to client needs
  • Predicts wall thickness reduction rate with very high accuracy
  • Provides data to enable the prediction of the remaining lifetime of the pipeline
  • Provides feedback on the effectiveness of corrosion inhibitors
  • Efficient installation without interfering with the pipeline operation
  • The equipment can be moved between different pipeline locations
  • Data can be collected on line and in real time
  • Data communication either wireless or via cable
  • Direct access to results provided from any PC
  • Delivers real time data
  • Automated measurement, logging and analysis
  • Flexible measurement intervals determined by client
  • Can be installed subsea
  • Can be installed on new pipelines or retrofitted to existing lines
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