A case study – Improved efficiency of an integrity program using the EMAT technology
Proceedings Publication Date
Stephan Tappert
Stephan Tappert, Joerg Weislogel, Korwin Moores, Ian Mullin
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The EMAT inline inspection technology for the detection of cracks has been utilized by gas pipeline operators for over two decades now. Since its introduction it has evolved as communicated in numerous publications specifically in discrimination performance.

The high sensitivity of the main detection sensors of the inspection method requires a combination of additional data information and its integration into the analysis process for an efficient integrity program, minimizing the need for excavations. The approach is described in this case study with a focus on minimizing any negative affect of corrosions that coincide with cracks without requiring the combination of different ILI technologies.

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