Development of novel integrated in-line inspection techniques for pipeline inspection

Santhakumar Sampath; Hoon Sohn; Bishakh Bhattacharya

doi:10.1117/12.2581420

8 November 2020 Development of novel integrated in-line inspection techniques for pipeline inspection

Santhakumar Sampath, Hoon Sohn, Bishakh Bhattacharya

Proceedings Volume 11525, SPIE Future Sensing Technologies; 115250C (2020) https://doi.org/10.1117/12.2581420
Event: SPIE Future Sensing Technologies, 2020, Online Only

Abstract

This paper proposes a new, low cost, and high sensitivity smart pipeline inspection gauge (smart PIG) that integrates different in-line inspection (ILI) techniques to inspect the pipeline defects such as dents, metal loss or corrosions. The proposed ILI techniques include: (1) optical sensor (based on photoconductivity); and (2) bimorph sensor (based on piezoelectricity). Laboratory tests are conducted on various types of defects such as convexities (e.g., deposit corrosion) and metal losses (e.g., cavity corrosion) to demonstrate the validity of the proposed techniques. Furthermore, the conventional magnetic flux leakage (MFL) technique is developed to verify the effectiveness of the proposed ILI techniques. The test results show that the proposed ILI techniques can effectively identify the defect position. It is envisioned that the developed smart PIG has significant potential for real-time inspection of the long-buried pipeline.

Conference Presentation

Citation Download Citation

Santhakumar Sampath, Hoon Sohn, and Bishakh Bhattacharya "Development of novel integrated in-line inspection techniques for pipeline inspection", Proc. SPIE 11525, SPIE Future Sensing Technologies, 115250C (8 November 2020); https://doi.org/10.1117/12.2581420

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