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Technology of the recovery of values from tar sands | 1982-08 | recovery of values; tar sand; bitumen recovery; in situ processes; thermal recovery methods; COFCAW; combination of forward combustion and water flood process; emulsion-steam drive process; nuclear stimulation; mining; processing mined tar sands; anhydrous solvent extraction process; cold water sepa... | There are two basic approaches to recovering bitumen. The tar sand may be mined and transported to a process plant where the bitumen is extracted and the sand is discharged. Alternatively the separation of bitumen from sand may be accomplished without ever moving the sand, that is, in situ. In situ ... |