Pipeline operators have historically dealt with multiple threats in their assets. One predominantly being stress corrosion cracking (SCC) which can be axial, circumferential, and even have complex morphologies (i.e., spider web).

Managing this complex threat starts with the selection of the most advanced in-line inspection technologies. Multiple data sets based on high resolution UT tools (e.g., axial and circumferential crack inspections) can be combined to further understand the way the pipeline network is affected. Through advance signal to signal analysis, comparing profiles of the features across years and statistical evaluation of historic SCC data, the operators can improve their Integrity Management Programs (IMP), including a better characterization of the threat affecting their pipelines, improved mitigation solutions and optimized repair plans.

These activities require collaboration between the ILI vendor and pipeline operator. For the ILI vendor, understanding the pipeline context results in more customized ILI reports for the pipeline operator. For the operator, working closely with the vendor improves understanding of the ILI reports. Working together allows the operator to improve their Integrity Management Programs.

This paper details the SCC management solution for the SPMR system in collaboration with NDT Global.