Thermal extraction of oil shale. [Use of heavy shale-oil fraction and spent shale as solvent and heat sources for retorting under pressure at 700 to 800/sup 0/F]
Patent
·
OSTI ID:5050154
None
- Assignee:
- 24 Jun 1952
- Patent Number(s):
- US 2601257
- OSTI ID:
- 5050154
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
04 OIL SHALES AND TAR SANDS
040402* -- Oil Shales & Tar Sands-- Surface Methods
BITUMINOUS MATERIALS
CARBONACEOUS MATERIALS
COUNTER CURRENT
ENERGY SOURCES
FOSSIL FUELS
FUELS
HIGH TEMPERATURE
KEROGEN
METAMORPHIC ROCKS
MINERAL OILS
OIL SHALES
OILS
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
RETORTING
ROCKS
SHALE OIL
SHALES
SOLVENT PROPERTIES
SPENT SHALES
SYNTHETIC FUELS
SYNTHETIC PETROLEUM
040402* -- Oil Shales & Tar Sands-- Surface Methods
BITUMINOUS MATERIALS
CARBONACEOUS MATERIALS
COUNTER CURRENT
ENERGY SOURCES
FOSSIL FUELS
FUELS
HIGH TEMPERATURE
KEROGEN
METAMORPHIC ROCKS
MINERAL OILS
OIL SHALES
OILS
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
RETORTING
ROCKS
SHALE OIL
SHALES
SOLVENT PROPERTIES
SPENT SHALES
SYNTHETIC FUELS
SYNTHETIC PETROLEUM