New Method to Identify Field Joint Coating Failures Based on MFL In-Line Inspection Signals
AbstractAbove ground indirect detections and random excavations that have applied the past years for buried long distance oil and gas pipelines can only identify some damaged coating locations. Hence, large number of field joint coating (FJC) failures happen unconsciously until they lead to failures of the pipelines. Based on the analysis of magnetic flux leakage (MFL) in-line inspection (ILI) signals, combined with the statistical results of 414 excavations from two different pipeline sections, a new method to identify the failed FJC is established. Though it can only identify FJC failures when there are signs of corrosion on pipe body, it is much more efficient and cost-saving. The concluded identification rule still needs more validations and improvements to be more applicable and accuracy. View Full-Text
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Dai, L.; Wang, T.; Deng, C.; Feng, Q.; Wang, D. New Method to Identify Field Joint Coating Failures Based on MFL In-Line Inspection Signals. Coatings 2018, 8, 86.
Dai L, Wang T, Deng C, Feng Q, Wang D. New Method to Identify Field Joint Coating Failures Based on MFL In-Line Inspection Signals. Coatings. 2018; 8(3):86.Chicago/Turabian Style
Dai, Lianshuang; Wang, Ting; Deng, Caiyan; Feng, Qingshan; Wang, Dongpo. 2018. "New Method to Identify Field Joint Coating Failures Based on MFL In-Line Inspection Signals." Coatings 8, no. 3: 86.
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