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

Process for petroleum recovery utilizing miscible fluids

Patent ·
OSTI ID:6620945
Secondary and tertiary recovery techniques are described which employ oil-external or water-external emulsions as the initially injected slugs. The emulsions employ as emulsifiers oxidized or amidized-oxidized products prepared from petroleum hydrocarbons and mixtures of some. Untreated hydrocarbons are the oleaginous component. (9 claims)
Assignee:
Witco Chemical Corp
Patent Number(s):
US 3817329
OSTI ID:
6620945
Country of Publication:
United States
Language:
English