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ROSEN Group launches new MFL technology

Published by
World Pipelines,


At this year’s Pipeline Pigging & Integrity Management Conference in Houston, Texas, the ROSEN Group will introduce a new development in MFL technology. This technology is designed to enable a true understanding of what is in the ground by providing laser-like 3D metal loss profiles derived from MFL data, providing operators with: visualisation of the true metal loss shape, robust information for maintenance optimisation, and integrity confirmation.

The most widely deployed in-line inspection (ILI) tools utilise the robust and proven magnetic flux leakage (MFL) technology. Applying electro-magnetic principles, MFL tools are particularly well suited for the inspection of gas pipelines. Determining the true mechanical integrity of a pipeline requires a good understanding of any metal loss potentially present, ideally to see what is really in the ground. It is widely accepted that advanced integrity assessments benefit from knowledge about the true defect shape. In case of corrosion, this helps operators to understand the morphology of a corrosion feature and provides a better understanding of the corrosion behaviour, especially in the case of complex shape corrosion or interacting metal loss features. Precise knowledge of the true shape also enhances sizing accuracy.

Unfortunately, 3D profiling has not been available for ILI tools utilising MFL until now.

ROSEN’s new technology, Deep Field Analyze, is designed to enhance the level of information that is implicitly available in high-resolution MFL data and collected during ILI runs. High-quality data from axial and circumferential MFL inspections is used and processed to provide laser-like 3D profiles of a metal loss feature, thus visualising the true shape of any corrosion or gouging, even before a dig up.

This technology and evaluation method delivers:

  • True metal loss shape: highest confidence in data interpretation.
  • Maintenance optimisation: dig up prioritisation and faster decision-making for future activities.
  • Integrity confirmation: less conservative calculation of safe burst pressure.

New and unique to the inline inspection market, this technology will be incorporated into a new service offering from ROSEN: Virtual−Dig Up.

Read the article online at: https://www.worldpipelines.com/product-news/31012020/rosen-group-launches-new-mfl-technology/

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