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High temperature electronics for geothermal energy

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1 Author(s)
Veneruso, A.F. ; Geothermal Instrumentation Div., Sandia Labs., Albuquerque, NM, USA

Instrumentation for geothermal borehole measurements is being expanded beyond today's limited capabilities. Prototype logging tools have been successfully field-tested to 275°C; a high-resolution quartz pressure transducer and a gallium phosphide diode have been successfully tested. Near-term goals of current programs are to develop instrumentation for use at 275° in pressures up to 48.3 MPa (7000 psi).

Published in:

Circuits & Systems Magazine  (Volume:1 ,  Issue: 3 )