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U.S. Department of Energy
Office of Scientific and Technical Information

Oil-in-water emulsions

Patent ·
OSTI ID:5850153
The invention described is a method for transporting viscous hydrocarbons such as crude oil. The hydrocarbons together with an aqueous solution of an oxylakylated anionic surfactant such as sodium nonylphenol polyoxyethylene sulfonate or a mixture of oxyalkylated anionic surfactants into a pipeline thus forming a low-viscosity, salt-tolerant oil-in-water emulsion. Optionally, the aqueous solution may contain an alkalinity agent. 2 claims.
Assignee:
Texaco Inc.
Patent Number(s):
US 4153573
OSTI ID:
5850153
Country of Publication:
United States
Language:
English