Enhanced oil recovery

Wells – Processes – Placing fluid into the formation

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166274, 166275, 252 8554, E21B 4322

Patent

active

048117919

ABSTRACT:
A method of recovering a petroleum from an underground source thereof comprising injecting into said underground source a petroleum displacement agent comprising a fluid and a modified liposome, said liposome being present in an amount sufficient to lower the interfacial tension between said fluid and said petroleum to below about 10 millidynes and the displacement agent.

REFERENCES:
patent: 4085799 (1978-04-01), Bousaid et al.
patent: 4323124 (1982-04-01), Swan

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