Development of Fiber Optics Sensors for Temperature Measurement and Chemical Analysis in Geothermal Wells
- Key words
- Exploration; Geochemistry; PH; Fluorescence; LLL
- Conference
- Geothermal Resources Council Transactions
- Year
- 1987
- Session
- Equipment design; Optrodes; Well logging
- Language
- English
Abstract
In this paper the results of research on high temperature optical fiber sensors will be presented. We have shown that these sensors (optrodes) can be made to work in very high temperature water of long periods and that it is possible to measure pH using fluorescent inorganic ions doped into solid matrices. A high temperature pH optrode can be made using these techniques however, more research is needed into the chemistry of the carrier matrices and fluorescent dopants.
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