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Proceedings Paper

Pressure and temperature sensing system based on fiber optic Bragg gratings for the oil and gas downhole
Author(s): Xiangdong Zhang; Yulin Li; Weiping Wang; Xinhua Hong; Tong Liu; Cuiqin Wu; Xueguang Qiao
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Paper Abstract

A pressure and temperature sensing system based on fiber-optic Bragg grating sensors for the oil and gas downhole is reported in this paper, the weak pressure sensitivity is enhanced and the cross-sensitivity of temperature and pressure measurands is overcome by an optimally designed mechanical enhancing and compensating structure, the working principle, experimental setup and testing results are also given.

Paper Details

Date Published: 30 April 2004
PDF: 5 pages
Proc. SPIE 5279, Optical Fibers and Passive Components, (30 April 2004); doi: 10.1117/12.521652
Show Author Affiliations
Xiangdong Zhang, Xi'an Institute of Optics and Precision Mechanics (China)
Yulin Li, Xi'an Institute of Optics and Precision Mechanics (China)
Weiping Wang, Xi'an Institute of Optics and Precision Mechanics (China)
Xinhua Hong, Xi'an Institute of Optics and Precision Mechanics (China)
Tong Liu, Xi'an Institute of Optics and Precision Mechanics (China)
Cuiqin Wu, Xi'an Research Institute of Hi-Tech Hongqing Town (China)
Xueguang Qiao, Xi'an Petroleum Institute (China)


Published in SPIE Proceedings Vol. 5279:
Optical Fibers and Passive Components
Steven Shen; Shuisheng Jian; Katsunari Okamoto; Kenneth L. Walker, Editor(s)

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