Recovery of oil by a vertical miscible flood
Patent
·
OSTI ID:7309541
A vertical miscible recovery process for the recovery of oil from an oil-bearing reservoir is described. A miscible slug or blanket of solvent is established at the crest of the oil column or at the gas-oil interface and thereafter is displaced downward by the injection of a drive agent such as natural gas or methane wherein the reservoir is produced simultaneously from near the bottom of the oil column and also near the top of the oil column, thereby increasing the spreading rate of the solvent slug. 15 claims, 1 figure.
- Assignee:
- Texaco Inc.
- Patent Number(s):
- US 4022278
- OSTI ID:
- 7309541
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
ALKANES
CRYOGENIC FLUIDS
ENERGY SOURCES
ENHANCED RECOVERY
FLUID INJECTION
FLUIDS
FOSSIL FUELS
FUEL GAS
FUELS
GAS FUELS
GASES
GEOLOGIC DEPOSITS
HYDROCARBONS
METHANE
MISCIBLE-PHASE DISPLACEMENT
NATURAL GAS
OIL FIELDS
OIL WELLS
ORGANIC COMPOUNDS
PETROLEUM DEPOSITS
RESOURCES
WELLS
020300* -- Petroleum-- Drilling & Production
ALKANES
CRYOGENIC FLUIDS
ENERGY SOURCES
ENHANCED RECOVERY
FLUID INJECTION
FLUIDS
FOSSIL FUELS
FUEL GAS
FUELS
GAS FUELS
GASES
GEOLOGIC DEPOSITS
HYDROCARBONS
METHANE
MISCIBLE-PHASE DISPLACEMENT
NATURAL GAS
OIL FIELDS
OIL WELLS
ORGANIC COMPOUNDS
PETROLEUM DEPOSITS
RESOURCES
WELLS