On a 550 m brine production well, fiber optic sensing was deployed during the installation of the casing to monitor long-term strain evolution and temperature. The fiber optic sensing cables were successfully integrated into the cemented annulus, providing a reliable coupling to the structure. Absolute temperature and strain are shown after 11 months.
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Technical paper: Keynote: Enhanced integrity monitoring via distributed strain sensing along the cemented production casing of salt cavern wells
By N. Noether, M. Schlichtenmayer, C. Pretzschner and M. Facchini
Publisher: European Association of Geoscientists & Engineers
Source: Conference Proceedings, EAGE GeoTech 2021 Second EAGE Workshop on Distributed Fibre Optic Sensing, Mar 2021, Volume 2021, p.1 – 4