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Proceedings Paper

Fiber optic pressure and temperature sensor for down-hole applications
Author(s): Michel Lequime; Catherine Lecot; Philippe Jouve; Jacques Pouleau
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Paper Abstract

A fiber optic sensor adapted to the permanent monitoring of oil wells is described, providing a simultaneous determination of pressure and temperature in a down-hole environment. This sensor includes two interferometric transducers in a serial configuration (Fabry-Perot type for the pressure, including a deformable membrane, and birefringent type for the temperature) and uses spectral modulation encoding techniques to recover at large distances both information without cross-talk and with a perfect down-lead insensitivity.

Paper Details

Date Published: 1 August 1991
PDF: 6 pages
Proc. SPIE 1511, Fiber Optic Sensors: Engineering and Applications, (1 August 1991); doi: 10.1117/12.45997
Show Author Affiliations
Michel Lequime, Bertin & Cie (France)
Catherine Lecot, Bertin & Cie (France)
Philippe Jouve, Societe Nationale Elf Aquitaine Production SNEA(P)CSTCS (France)
Jacques Pouleau, PYROPTIC (France)

Published in SPIE Proceedings Vol. 1511:
Fiber Optic Sensors: Engineering and Applications
Anastasius J.A. Bruinsma; Brian Culshaw, Editor(s)

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