Introducing TRITON: Tethered In-line Inspection (ILI) Pipeline Integrity Solution.

Feb 19, 2024

TSC Subsea

February 2024 – TSC Subsea is thrilled to announce the launch of Triton, a bi-directional tethered in-line (ILI) pipeline crawler. An innovative robotic crawler that is set to redefine internal pipeline integrity assessments of un-piggable or non-piggable pipelines by delivering advanced NDT technologies to pipelines that were previously challenging to inspect.

The robotic internal pipe crawler utilises triple independently powered tracks to ensure traction even in the most challenging conditions. TRITON can deliver multiple Non-destructive Testing (NDT) techniques to the inspection surface even at distances up to 300 m (1000 ft) or in submersed or flooded conditions up to depths of 150 m (492 ft).

Pipeline operators commonly opt for ILI pigging systems, but these methods require specific pig launching and receiving facilities. The pipeline is typically labelled as non-piggable or challenging to inspect when such facilities are unavailable. This is where Triton comes into its element.

Triton Pipe Crawler

The adaptable TRITON tethered ILI internal pipe crawler can operate in both dry and wet environments. It can integrate various NDT techniques based on the inspection requirement, including corrosion mapping, wall thickness measurements, ovality and dents assessment, weld inspection, remote visual inspection and through coating or unprepared heavily corroded surfaces inspections.

Advanced NDT technology options:

  • Alternating Current Field Measurement (ACFM®) for detecting and sizing surface-breaking cracks in welds.
  • Phased Array Ultrasonics (PAUT) for high-resolution quantitative wall thickness measurements, corrosion mapping, and volumetric weld inspection.
  • Acoustic Resonance Technology (ART) for quantitative wall thickness measurements, through coating and unprepared surfaces.
  • Pulsed Eddy Current (PEC) for inspecting highly corroded and scab surfaces.
  • Remote Visual Inspection (RVI) with a high-resolution PTZ camera.
  • Laser Scanning for a comprehensive 360-degree internal assessment.

TRITON’s robust and field-proven adaptable chassis can be customised for intricate inspections across various pipe sizes, orientations and pipes containing internal piping. Triton has the ability to navigate horizontal, vertical and multiple bends even in flooded conditions.

TSC Subsea invite interested parties to join us on this transformative journey as we embrace the future of pipeline integrity. For more information, please visit, follow us on social media, or contact our sales team directly.

Read the case study on how TRITON overcame the challenges of inspecting an unpiggable riser in the North Sea.

About TSC Subsea

TSC Subsea sets itself apart by providing a wide array of Non-Destructive Testing (NDT) techniques and diverless robotic delivery systems. This versatility allows us to select and deploy the most appropriate NDT methods tailored to each client’s specific requirements. By leveraging various NDT techniques and underwater robotic scanners, we optimise the inspection process for efficiency, accuracy, and reliability when assessing subsea assets.

Through our exclusive NDT technologies, we empower our clients to perform integrity assessments on their offshore assets while minimising costs, reducing environmental impact, and enhancing personnel safety.

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