In-Line Inspection for Unpiggable Pipelines - specialty ultrasonics

By: Quest Integrity Group  06-Dec-2011
Keywords: Engineering, Inspection Services, Structural Integrity

Quest Integrity's specialist NDT group provides advanced ultrasonic inspection services for the power, petrochemical, and mineral refining industries. The group combines innovative ultrasonic techniques, the latest equipment, and experience in testing a wide range of critical and high value components to deliver engineering solutions to clients requiring in-service inspection.


  • A wide variety of ultrasonic techniques including fully automated and distance encoded:

Phased array methods (annular and linear)
Time of Flight Diffraction
Through transmission
Pitch and Catch

  • Manual Ultrasonics
  • Operators with experience at engineering and inspection within a wide range of applications and industries requiring condition assessment


Integration of engineering personnel into the specialist inspection team allows fast and efficient design of inspection methods relevant to the defects that may impact on serviceability. This experience also lends toward improving the quality of the analysis of data. Integrated NDT methods with Structural Integrity Consulting provides fitness for service evaluations allowing clients to act quickly in determining if the component must be managed from an operation perspective fit for continued unchanged service or if repair is required. Quest Integrity can also provide technical advisory reports on NDT programs as a whole, and give recommendations for future inspections and time frames.

ApplicationsQuest Integrity is capable of conducting inspection, analysis, and reporting on:

  • Turbines (bores, shrunk on discs, solid rotors, blade attachments)
  • Generator retaining rings
  • Pressure vessels, reactors, exchangers
  • Hydrogen plant
  • High Energy piping
  • Water wall boiler tube (hydrogen damage inspection)
  • Steam boiler tube (creep remnant life assessment)
  • Hydro station components
  • Thickwall reactors and other pressure equipment

Keywords: Engineering, High Energy Piping, Inspection Services, Structural Integrity,

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