TEMPERATURE ASSESSMENT USING DIELECTRIC PROPERTIES OF AN INSULATED CONDUCTOR HEATER WITH SELECTED ELECTRICAL INSULATION

• Main Authors: THOMPSON, STEPHEN TAYLOR, DE ST. REMEY, EDWARD EVERETT, HARRIS, CHRISTOPHER KELVIN
• Format: Patent
• Language: English; French
• Published: 30.03.2021
• Subjects: EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; MEASURING; MEASURING QUANTITY OF HEAT; MEASURING TEMPERATURE; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS; PHYSICS; TESTING; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR

A system for assessing one or more temperatures in an opening in a subsurface formation includes an electrical conductor and electrical insulation at least partially surrounding the electrical conductor. The electrical insulation includes magnesium oxide and a ferroelectric material. An electrically...