Method for thermal stimulation of a subterranean reservoir and a

Details Method for thermal stimulation of a subterranean reservoir and a Method for thermal stimulation of a subterranean reservoir and a

1987-08-20

1989-02-28

Novosad, Stephen J.

Wells

Processes

Distinct, separate injection and producing wells

166 90, 166222, 166 57, 261 76, 261DIG13, 261DIG76, B01F 304, E21B 3600, E21B 4324

Patent

active

048077011

ABSTRACT:
A system and the equipment for economically enhancing recovery of hydrocarbon fluids from a subterranean reservoir in which a plurality of production and injection wells are formed. High grade steam from a common source is mixed with relatively cold water at each injection well to be treated. To avoid, or substantially reduce condensation shock in the water/steam mixer, the high velocity cold water is initially heated in a steam compartment with minimal contact between the two fluids. Thereafter, the steam and the water are introduced to a heat exchange chamber in which the temperature of the water is raised prior to the two streams being merged for injection into a well as either heated water or as low quality steam.

REFERENCES:
patent: 3237692 (1966-03-01), Wallace et al.
patent: 4011287 (1977-03-01), Marley
patent: 4060129 (1977-11-01), Gomaa et al.
patent: 4071586 (1978-01-01), Seger
patent: 4130611 (1978-12-01), Brand

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