ROSEN - Hard Spot Detection & Assessment

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Figure 1 – Schematic of a time temperature transformation diagram

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

… that we have many years of experience in this area and that we developed the entire technology in-house to deliver reliable data?

… 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 we gained a great experience in material verification due to our Test Center facilities which enable us to simulate infield circumstances?

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 Integrity of the Pipeline related to 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 data that forms the basis for a well-rounded integrity engineering approach. Taking into account susceptibility, verification and response strategies, this approach provides an optimized solution for managing the threat of pipeline hard spots.