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In situ RF heating for oil sand and heavy-oil deposits | 1985-05 | in situ RF heating; oil sand; heavy-oil deposits; IITRI; energy efficiency; in situ radio-frequency heating process; oil shale; tar sand | Since the mid 1970s, IIT Research Institute (IITRI) has been developing an energy efficient, in situ radio-frequency (RF) heating process. Large blocks of oil shale or tar sand typically found in the Western United States have been emplanted with closely spaced electrodes and excited electromagnetic... |