ROSEN - Hard Spot Detection & Assessment

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Figure 1 – Schematic of a time temperature transformation diagram

Based on inspection results of unrivalled quality, ROSEN helps pipeline operators identify and manage these hidden threats early – before they become real defects.

… that years of experience in this area have enabled us to develop ILI technology that delivers data of a reliability that is unmatched in the industry?

… that we have a proven track record of successfully identifying hard spots in pipelines, both on the inner and outer surfaces of the pipe material?

… that extensive expertise in material verification coupled with state-of-the-art testing facilities have made us the undisputed authority in this field?

WHAT ARE HARD SPOTS IN PIPELINES?

Hard spots are different from most other anomalies in pipe material. Mostly originating in deteriorated or damaged areas, the latter pose an acute threat to an asset's integrity. Hard spots, by contrast, carry a more latent risk. They are associated with a change in microstructure, which in most cases occurs during the manufacturing or construction process. These areas on the pipe surface show a hardness level higher than that of the surrounding metal. They can be more susceptible to cracking mechanisms, and this threat is increased when they exist in combination with other threats.

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ROSEN offers a market-leading technology which, integrated into a holistic integrity services package, enables pipeline operators to optimize costs with high confidence in results and compliance.

MANAGING THE THREAT OF HARD SPOTS

Managing the threat of hard spots is challenging. The starting point of any coherent, holistic integrity management strategy is data collection. Hard spots can occur at any point along the circumference or length of a pipeline. ROSEN’s dual magnetization system (DMG) can reliably detect, identify and size hard spots.

A market-unique combination of high-resolution in-line inspection (ILI) technologies, including eddy current, delivers unparalleled data that forms the basis for a well-rounded integrity engineering approach. Taking into account susceptibility, verification and response strategies, this approach provides the optimal solution for managing the threat of pipeline hard spots.