Flood-aided hot fluid soak method for producing hydrocarbons
Patent
·
OSTI ID:5004904
Relatively viscous liquid hydrocarbons are produced from a subterranean hydrocarbon reservoir by opening at least one well borehole into fluid communication with the reservoir at least at 2 spaced locations. A relatively mobile hot fluid, such as steam, is injected through the well borehole and into the earth formation around one of the locations for a period of time sufficient to form a hot zone and thermally mobilize liquid hydrocarbons present in the earth formation. Formation fluids are produced, by backflowing fluid from the hot zone, while a hydrocarbon-displacing fluid is being injected into the earth formation around another of the locations within the reservoir to displace hydrocarbons into the hot zone. (11 claims)
- Assignee:
- Shell Oil Co.
- Patent Number(s):
- US 3707189
- OSTI ID:
- 5004904
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
ENERGY SOURCES
ENGINEERING
ENHANCED RECOVERY
FLUID INJECTION
FOSSIL FUELS
FUELS
OIL WELLS
PETROLEUM
RECOVERY
RESERVOIR ENGINEERING
RESERVOIR ROCK
ROCKS
SEDIMENTARY ROCKS
STEAM INJECTION
THERMAL RECOVERY
VISCOSITY
WATERFLOODING
WELL SPACING
WELLS
020300* -- Petroleum-- Drilling & Production
ENERGY SOURCES
ENGINEERING
ENHANCED RECOVERY
FLUID INJECTION
FOSSIL FUELS
FUELS
OIL WELLS
PETROLEUM
RECOVERY
RESERVOIR ENGINEERING
RESERVOIR ROCK
ROCKS
SEDIMENTARY ROCKS
STEAM INJECTION
THERMAL RECOVERY
VISCOSITY
WATERFLOODING
WELL SPACING
WELLS