Guided Ultrasonics Ltd – GUL

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Guided Ultrasonics Limited (GUL) was established in 1999 by members of a research team at Imperial College’s Mechanical Engineering Department and is now the global leader in the provision of guided wave technology for pipe screening, monitoring and scanning; as well as training and support services.

Guided Wave Testing (GWT) is a relatively new non destructive testing (NDT) method, which has been pioneered by GUL since its incorporation. The company has led the way in setting the standard for pipeline inspection and monitoring globally, with full commitment to continuous improvement to meet the needs and expectations of our clients as well as the wider industry.

GUL provides the following services:

  • Supply of guided wave inspection equipment
  • Training of personnel
  • Servicing of equipment
  • Supply of spares
  • Consultancy and support



Specialist Inspection

  • Address Wavemaker House
    Brentford TW8 8HQ
    United Kingdom
QSR1® - Indirect wall thickness measurement

Guided Ultrasonics Ltd. has developed an innovative new technology to measure pipe wall thickness from remote positions over a short range. This type of measurement is an ongoing challenge in the oil and gas industry, for example, in quantifying Corrosion Under Pipe Supports (CUPS), and measuring the wall thickness under external corrosion scabs. The QSR1® employs multi-modal guided waves and patented algorithms designed for automated data interpretation. This reduces the requirement for inspectors with specialty training, and ensures the same answer from any qualified inspector. The QSR1® will be your solution for independent verification and prove-up.

gPIMS® - Large Area Monitoring of Pipelines

The gPIMS® (guided wave permanently installed monitoring system) product line from Guided Ultrasonics Ltd. offers a unique ability to monitor the condition of large areas of your pipelines.  The sensors are designed to be permanently installed on the pipe, an approach which means access costs are only incurred once. Collecting subsequent data is achieved at the push of a button, once a Wavemaker® instrument is plugged into a readily-accessible connection box. Due to the stability of the readings, they can be compared over time achieving unmatched sensitivity to small defects when compared to one-off inspections.

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