Preliminary evaluation of a high-pressure, high-temperature downhole optical sensor

Grzegorz Fusiek; Pawel Niewczas; Graeme Burt

doi:10.1109/ICSENS.2011.6127304

Preliminary evaluation of a high-pressure, high-temperature downhole optical sensor

Grzegorz Fusiek, Pawel Niewczas, Graeme Burt

Electronic And Electrical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution book

3 Citations (Scopus)

Abstract

This paper reports on the evaluation of a high-pressure high-temperature (HPHT) sensor prototype for permanent monitoring of pressure and temperature in oil wells. A Fabry-Perot (FP) pressure transducer was built using a metal capillary, metal reflecting wire and metal coated fiber which were brazed with a silver-based brazing paste using a specially designed induction heating system. The prototype sensor was tested for two outermost temperatures of the operating range of 20-350°C for which wavelength-pressure response characteristics were recorded for incremental pressure changes from 0 to 10,000psi. The results show that the sensor response to pressure was linear, with the nonlinearity error below 1%.

Original language	English
Title of host publication	Proceedings of the 2011 IEEE Sensors Conference
Place of Publication	New York
Publisher	IEEE
Pages	409-412
Number of pages	4
ISBN (Print)	9781424492909
DOIs	https://doi.org/10.1109/ICSENS.2011.6127304
Publication status	Published - 28 Oct 2011
Event	Sensors, 2011 IEEE - Limerick, Ireland Duration: 28 Oct 2011 → 31 Oct 2011

Conference

Conference	Sensors, 2011 IEEE
Country	Ireland
City	Limerick
Period	28/10/11 → 31/10/11

Keywords

optical sensor
high-pressure high-temperature
sensor prototype
sensor
optical fiber sensors
transducers
temperature sensors
temperature measurement
temperature
prototypes
preliminary evaluation
high-pressure
high-temperature
downhole optical sensor

Access to Document

10.1109/ICSENS.2011.6127304

Link to publication in Scopus

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Cite this

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title = "Preliminary evaluation of a high-pressure, high-temperature downhole optical sensor",

abstract = "This paper reports on the evaluation of a high-pressure high-temperature (HPHT) sensor prototype for permanent monitoring of pressure and temperature in oil wells. A Fabry-Perot (FP) pressure transducer was built using a metal capillary, metal reflecting wire and metal coated fiber which were brazed with a silver-based brazing paste using a specially designed induction heating system. The prototype sensor was tested for two outermost temperatures of the operating range of 20-350°C for which wavelength-pressure response characteristics were recorded for incremental pressure changes from 0 to 10,000psi. The results show that the sensor response to pressure was linear, with the nonlinearity error below 1%.",

keywords = "optical sensor , high-pressure high-temperature , sensor prototype , sensor, optical fiber sensors, transducers , temperature sensors , temperature measurement, temperature, prototypes, preliminary evaluation , high-pressure, high-temperature , downhole optical sensor",

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