Parallel string method for multiple string, thermal fluid...

Details Parallel string method for multiple string, thermal fluid... Parallel string method for multiple string, thermal fluid...

E - Fixed Constructions

21

B

166/35

E21B 43/24 (2006.01) E21B 43/14 (2006.01)

Patent

CA 1225020

ABSTRACT OF THE DISCLOSURE A method for thermal fluid injection into a plurality of strata wherein a well is packed off to stab- fish a first and a second zone, A first tubing string is introduced and is terminated in the first zone. The first tubing string is paralleled by a second tubing string. The first and second tubing strings are physically separated. A first fluid at a first temperature is injected into the first tubing string while a second fluid at a second temperature is simultaneously injected into the second tubing string. The first fluid at the first temperature is applied to the first zone while the second fluid at the second temperature is applied to the second zone.

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