Corrosion Resistant FBG-Based Quasi-Distributed Sensor for Crude Oil Tank Dynamic Temperature Profile Monitoring
AbstractThis article presents a corrosion resistant, maneuverable, and intrinsically safe fiber Bragg grating (FBG)-based temperature optical sensor. Temperature monitoring is a critical activity for the oil and gas industry. It typically involves acquiring the desired parameters in a hazardous and corrosive environment. The use of polytetrafluoroethylene (PTFE) was proposed as a means of simultaneously isolating the optical fiber from the corrosive environment and avoiding undesirable mechanical tensions on the FBGs. The presented sensor head is based on multiple FBGs inscribed in a lengthy single mode fiber. The sensor presents an average thermal sensitivity of 8.82 ± 0.09 pm/°C, resulting in a typical temperature resolution of ~0.1 °C and an average time constant value of 6.25 ± 0.08 s. Corrosion and degradation resistance were verified by infrared spectroscopy and scanning electron microscopy during 90 days exposure to high salinity crude oil samples. The developed sensor was tested in a field pilot test, mimicking the operation of an inland crude tank, demonstrating its abilities to dynamically monitor temperature profile. View Full-Text
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da Silva Marques, R.; Prado, A.R.; da Costa Antunes, P.F.; de Brito André, P.S.; Ribeiro, M.R.N.; Frizera-Neto, A.; Pontes, M.J. Corrosion Resistant FBG-Based Quasi-Distributed Sensor for Crude Oil Tank Dynamic Temperature Profile Monitoring. Sensors 2015, 15, 30693-30703.
da Silva Marques R, Prado AR, da Costa Antunes PF, de Brito André PS, Ribeiro MRN, Frizera-Neto A, Pontes MJ. Corrosion Resistant FBG-Based Quasi-Distributed Sensor for Crude Oil Tank Dynamic Temperature Profile Monitoring. Sensors. 2015; 15(12):30693-30703.Chicago/Turabian Style
da Silva Marques, Rogério; Prado, Adilson R.; da Costa Antunes, Paulo F.; de Brito André, Paulo S.; Ribeiro, Moisés R.N.; Frizera-Neto, Anselmo; Pontes, Maria J. 2015. "Corrosion Resistant FBG-Based Quasi-Distributed Sensor for Crude Oil Tank Dynamic Temperature Profile Monitoring." Sensors 15, no. 12: 30693-30703.