In-situ retorting of carbonaceous deposits
A method of producing fluid fuels from carbonaceous deposits such as oil shale, heavy oils and coal by in-situ retorting of the carbonaceous deposit in rubblized in-situ retorts utilizes a plurality of such retorts. The retorts are subjected to a sequence of preparation for rubblization, rubblization and combustion of carbonaceous material to supply heat to produce a fluid fuel from kerogen in the carbonaceous deposit. At least one completely rubblized retort is maintained throughout its entire volume under the inlet pressure of the combustion air between retorts in which rubblization or stopping is taking place and retorts in which the combustion of the carbonaceous deposit is proceeding to prevent flow of toxic gases from the retort in which combustion is proceeding to a retort in which preparation for rubblization and rubblization are occurring. The invention is described in detail for the recovery of shale oil from oil shale deposits.
- Assignee:
- Gulf Oil Corporation
- Patent Number(s):
- US 4162808
- OSTI ID:
- 6087986
- Country of Publication:
- United States
- Language:
- English
Similar Records
Combustion air supply to in-situ retorts
In situ retorting or oil shale
Related Subjects
010404 -- Coal
Lignite
& Peat-- Gasification
02 PETROLEUM
020300 -- Petroleum-- Drilling & Production
04 OIL SHALES AND TAR SANDS
040401* -- Oil Shales & Tar Sands-- In Situ Methods
True & Modified
BITUMINOUS MATERIALS
CARBONACEOUS MATERIALS
CHEMICAL REACTIONS
CHEMICAL REACTORS
COAL
COMBUSTION
COMMINUTION
ENERGY SOURCES
ENHANCED RECOVERY
FOSSIL FUELS
FRACTURING
FUELS
GEOLOGIC DEPOSITS
IN-SITU COMBUSTION
IN-SITU LIQUEFACTION
IN-SITU PROCESSING
IN-SITU RETORTING
LIQUEFACTION
OIL SHALES
OXIDATION
PETROLEUM DEPOSITS
PROCESSING
RESOURCES
RETORTING
RETORTS
THERMOCHEMICAL PROCESSES