Heavy oil recovery by high velocity non-condensible gas injectio

Details Heavy oil recovery by high velocity non-condensible gas injectio Heavy oil recovery by high velocity non-condensible gas injectio

1984-11-27

1986-09-09

Suchfield, George A.

Wells

Processes

In situ combustion

166268, 166272, 166273, 166274, E21B 4324, E21B 43243

Patent

active

046103040

ABSTRACT:
Oil recovery method using injection of non-condensible gas (1) into an oil zone (16) via perforations along the length of an injection well (12) to drive oil through the zone to a production well (14), with the gas injected at a rate no greater than 2,000,000 SCFD per acre and with sufficient velocity to emulsify the oil.

REFERENCES:
patent: 3129757 (1964-04-01), Sharp
patent: 3279538 (1966-10-01), Doscher
patent: 3847219 (1974-11-01), Wang et al.
patent: 3853178 (1974-12-01), Shen
patent: 4068717 (1978-01-01), Needham
patent: 4086964 (1978-05-01), Dilgren et al.
patent: 4393937 (1983-07-01), Dilgren et al.
patent: 4516636 (1985-05-01), Doscher

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