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Low drift fibre optic pressure sensor for oil field downhole monitoring

Low drift fibre optic pressure sensor for oil field downhole monitoring
Low drift fibre optic pressure sensor for oil field downhole monitoring
Pressure sensors made of silica optical fibre change their zero offset (drift) by large amounts when exposed to fluids under high temperature and pressure, Molecular water diffusion from the fluid into the silica is the cause of this drift. The effect of commercially available 'hermetic' coatings in preventing water ingress into fibres under such extreme conditions has been investigated. Application of the most effective coating to a pressure sensor has improved the drift rate by a factor of 200.
0013-5194
926-927
Clowes, J.
1ae9b190-8e22-45d8-aebc-c5a4c1b8dae8
Edwards, J.
a454058a-6fc8-4700-a764-e0a36587a0d3
Grudinin, I.
704aa3b4-8b9e-4e37-a40e-7ca182ed1cbc
Kluth, E.L.E.
675bf134-dcc1-4c26-ae81-ccfb344158c1
Varnham, M.P.
b2950c1d-eb77-4c00-9aa3-bb84417e0f97
Zervas, M.N.
1840a474-dd50-4a55-ab74-6f086aa3f701
Crawley, C.M.
72cf8e6d-76e4-4543-8212-142f16eff3d2
Kutlik, R.L.
49494c09-b9ea-464d-b67c-6b3d5cdcb595
Clowes, J.
1ae9b190-8e22-45d8-aebc-c5a4c1b8dae8
Edwards, J.
a454058a-6fc8-4700-a764-e0a36587a0d3
Grudinin, I.
704aa3b4-8b9e-4e37-a40e-7ca182ed1cbc
Kluth, E.L.E.
675bf134-dcc1-4c26-ae81-ccfb344158c1
Varnham, M.P.
b2950c1d-eb77-4c00-9aa3-bb84417e0f97
Zervas, M.N.
1840a474-dd50-4a55-ab74-6f086aa3f701
Crawley, C.M.
72cf8e6d-76e4-4543-8212-142f16eff3d2
Kutlik, R.L.
49494c09-b9ea-464d-b67c-6b3d5cdcb595

Clowes, J., Edwards, J., Grudinin, I., Kluth, E.L.E., Varnham, M.P., Zervas, M.N., Crawley, C.M. and Kutlik, R.L. (1999) Low drift fibre optic pressure sensor for oil field downhole monitoring. Electronics Letters, 35 (11), 926-927. (doi:10.1049/el:19990646).

Record type: Article

Abstract

Pressure sensors made of silica optical fibre change their zero offset (drift) by large amounts when exposed to fluids under high temperature and pressure, Molecular water diffusion from the fluid into the silica is the cause of this drift. The effect of commercially available 'hermetic' coatings in preventing water ingress into fibres under such extreme conditions has been investigated. Application of the most effective coating to a pressure sensor has improved the drift rate by a factor of 200.

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Published date: 1999

Identifiers

Local EPrints ID: 77772
URI: http://eprints.soton.ac.uk/id/eprint/77772
ISSN: 0013-5194
PURE UUID: 18561f47-9d76-448a-9d28-5961ecd72fcb
ORCID for M.N. Zervas: ORCID iD orcid.org/0000-0002-0651-4059

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Date deposited: 11 Mar 2010
Last modified: 07 Oct 2020 03:23

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Contributors

Author: J. Clowes
Author: J. Edwards
Author: I. Grudinin
Author: E.L.E. Kluth
Author: M.P. Varnham
Author: M.N. Zervas ORCID iD
Author: C.M. Crawley
Author: R.L. Kutlik

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