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Oil recovery process utilizing air and superheated steam

Patent ·
OSTI ID:6634772
A method is described for recovering viscous oil from tar-sand deposits. A fluid communication path is created in the formation, followed by injecting (through an injection well) superheated steam and air into the formation via the fluid communication path. In situ combustion occurs, providing heat and pressure for driving the oil in the formation toward the production well. Recovery of the displaced oil is accomplished via the production well. The communication path through the formation is created by hydraulic fracturing. (4 claims)
Assignee:
Texaco Inc.
Patent Number(s):
US 4048078
OSTI ID:
6634772
Country of Publication:
United States
Language:
English

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Related Subjects

04 OIL SHALES AND TAR SANDS
040401* -- Oil Shales & Tar Sands-- In Situ Methods
True & Modified
BITUMENS
BITUMINOUS MATERIALS
CARBONACEOUS MATERIALS
CHEMICAL REACTIONS
COMBUSTION
COMBUSTION WAVES
COMMINUTION
ENERGY SOURCES
ENHANCED RECOVERY
FOSSIL FUELS
FRACTURING
FUELS
HYDRAULIC FRACTURING
IN-SITU COMBUSTION
IN-SITU PROCESSING
MATERIALS
OIL SANDS
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
OXIDATION
PROCESSING
RECOVERY
TAR
THERMAL RECOVERY
THERMOCHEMICAL PROCESSES