Recovery of heavy crude oil or tar sand oil or bitumen from unde

Details Recovery of heavy crude oil or tar sand oil or bitumen from unde Recovery of heavy crude oil or tar sand oil or bitumen from unde

1988-02-05

1989-07-11

Kisliuk, Bruce M.

Wells

Processes

Distinct, separate injection and producing wells

166267, 166275, 166303, E21B 4324, E21B 4322

Patent

active

048462756

ABSTRACT:
Heavy crude oil or tar sand oil or bitumen is recovered from an underground formation containing the same by introducing into said formation via an injection well or conduit a hot alkaline aqueous fluid so as to bring about the movement or migration or stripping of said heavy crude oil or tar sand oil or bitumen from said formation into said hot alkaline aqueous fluid at the interface between said hot alkaline aqueous fluid and said heavy crude oil or tar sand oil or bitumen-containing formation as said hot alkaline aqueous fluid moves along within said formation from said injection well or conduit to a production well or conduit for the recovery of the resulting produced heavy crude oil or tar sand oil or bitumen from said formation as an emulsion via said production well or conduit.

REFERENCES:
patent: 3221813 (1965-12-01), Closmann et al.
patent: 3279538 (1966-10-01), Doscher
patent: 3379250 (1968-04-01), Matthews et al.
patent: 3396791 (1968-08-01), Van Meurs et al.
patent: 3706341 (1972-12-01), Redford
patent: 3802508 (1975-04-01), Kelly, deceased et al.
patent: 3913671 (1975-10-01), Redford et al.
patent: 4265310 (1981-05-01), Britton et al.
patent: 4516636 (1985-05-01), Doscher
T. M. Doscher, "Enhanced Recovery of Crude Oil", American Scientist, vol. 69, Mar.-Apr. 1981, pp. 193-200.
Saner and Patton, "CO.sub.2 Recovery of Heavy Oil: Wilmington Field Test", Journal of Petroleum Technology, Jul. 1985, pp. 769-776.
Carrigy, "New Production Techniques For Alberta Oil Sands", Science, vol. 234, Dec. 1986, pp. 1515-1518.

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