Oil displacement fluid containing a solubilizing agent

Details Oil displacement fluid containing a solubilizing agent Oil displacement fluid containing a solubilizing agent

1976-09-17

1978-01-31

Guynn, Herbert B.

Compositions

Leather or fur treating

166272, 166274, 260288R, E21B 4322, E21B 4324

Patent

active

040714586

ABSTRACT:
Petroleum may be recovered from viscous petroleum containing formations including tar sand deposits by first creating a fluid communication path in the formation, followed by injecting via an injection well an aromatic solvent such as benzene, saturated with carbon dioxide at the injection pressure into the fluid communication path, following the injection of the solvent with the injection of an oil-displacing fluid such as hot water, steam, or superheated steam and recovering oil from the formation via a production well. The oil displacing fluid may contain a solubilizing agent such as an oxyethylated nitrogen containing compound.

REFERENCES:
patent: 1970578 (1934-08-01), Scholler
patent: 3731741 (1973-05-01), Palmer et al.
patent: 3796262 (1974-03-01), Allen et al.
patent: 3838738 (1974-10-01), Redford et al.
patent: 3913672 (1975-10-01), Allen et al.

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