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Distillative processing of CO/sub 2/ and hydrocarbons for enhanced oil recovery

Patent ·
OSTI ID:7058379
; ; ;
A method is described for treating hydrocarbon rich CO/sub 2/ gas for injection into an oil-bearing formation comprising the steps of: (a) introducing a feed stream into distillation equipment, the feed stream comprising a mixture of carbon dioxide, methane, ethane, propane, butanes, and heavier hydrocarbons; (b) distilling the feed stream with the distillation equipment to produce an overhead stream and a bottoms stream, the overhead stream containing substantially all of the carbon dioxide, methane, ethane and propane, and the bottoms stream containing substantially all of the heavier hydrocarbons; and (c) injecting the overhead stream into a hydrocarbon bearing formation.
Assignee:
Chevron Research Co., San Francisco, CA
Patent Number(s):
US 4753666
OSTI ID:
7058379
Country of Publication:
United States
Language:
English

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Related Subjects

02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
ALKANES
BUTANE
CARBON COMPOUNDS
CARBON DIOXIDE
CARBON DIOXIDE INJECTION
CARBON OXIDES
CHALCOGENIDES
CHEMICAL COMPOSITION
DISPLACEMENT FLUIDS
DISTILLATION
DISTILLATION EQUIPMENT
ENERGY SOURCES
ENHANCED RECOVERY
EQUIPMENT
ETHANE
FLUID INJECTION
FLUIDS
FOSSIL FUELS
FUELS
HYDROCARBONS
METHANE
MISCIBLE-PHASE DISPLACEMENT
OIL WELLS
ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PETROLEUM
PROCESSING
PROPANE
RECOVERY
SEPARATION PROCESSES
STIMULATION
WELL STIMULATION
WELLS