Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

Secondary recovery using carbon dioxide

Patent ·
OSTI ID:6558472
Recovery of oil from an oil-bearing reservoir is effected by the injection of carbon dioxide into the reservoir at a pressure whereby there is formed a miscible transition zone between the carbon dioxide and the reservoir fluid. (9 claims)
Assignee:
Texaco Inc.
Patent Number(s):
US 3811502
OSTI ID:
6558472
Country of Publication:
United States
Language:
English