Thermometry in geothermal wells: an optical approach
Autor: | S. Mezzetti, P. L. Pizzolati, L. Fiorina |
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Rok vydání: | 1985 |
Předmět: |
Optical fiber cable
Optical fiber Materials science Field (physics) business.industry Materials Science (miscellaneous) Geothermal energy Physics::Optics Semiconductor device Industrial and Manufacturing Engineering law.invention Metrology Optics law Business and International Management business Refractive index Geothermal gradient |
Zdroj: | Applied Optics. 24:402 |
ISSN: | 1539-4522 0003-6935 |
DOI: | 10.1364/ao.24.000402 |
Popis: | A temperature measuring system based on purely optical devices is described, which exploits the temperature dependence of the physical properties of a birefringent crystal. The system is expected to measure the temperature profile in geothermal wells up to 500° C and with a resolution better than 0.1 ° C. The maximum expected depth is 3500 m. Technological solutions of the problems related to the use of optical fibers for this application are also discussed. A prototype for field use has been implemented and will be described, and preliminary experimental results will be reported. |
Databáze: | OpenAIRE |
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