BOTDA-based DTS robustness demonstration for subsea structure monitoring applications

Fabien Ravet; Etienne Rochat; Marc Niklès

doi:10.1117/12.2194154

28 September 2015 BOTDA-based DTS robustness demonstration for subsea structure monitoring applications

Fabien Ravet, Etienne Rochat, Marc Niklès

Proceedings Volume 9634, 24th International Conference on Optical Fibre Sensors; 96345Z (2015) https://doi.org/10.1117/12.2194154
Event: International Conference on Optical Fibre Sensors (OFS24), 2015, Curitiba, Brazil

Abstract

We demonstrate that BOTDA is the equipment of choice for Distributed Temperature Sensing (DTS) when challenging components such as Wet Mate Connectors (WMC) and Fiber Optic Rotary Joints (FORJ) are inserted in the sensing line. The parameter of Temperature Measurement Dead Zone (TMDZ) is introduced to support the discussion and quantify possible impairments. A laboratory qualification test with real FORJ and WMC is conducted confirming the theoretical expectations. The system is then implemented offshore demonstrating that FORJ and WMC do not affect the sensing operation in field environment.

Citation Download Citation

Fabien Ravet, Etienne Rochat, and Marc Niklès "BOTDA-based DTS robustness demonstration for subsea structure monitoring applications", Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 96345Z (28 September 2015); https://doi.org/10.1117/12.2194154

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