Producing resources using heated fluid injection

Details Producing resources using heated fluid injection Producing resources using heated fluid injection

E - Fixed Constructions

21

B

E21B 34/08 (2006.01) E21B 36/02 (2006.01) E21B 43/24 (2006.01)

Patent

CA 2692686

A system for treating a subterranean zone (110) includes a downhole fluid heater (120) installed in a wellbore (114). Treatment fluid, oxidant, and fuel conduits (124a, 124b, and 124c) connect fuel, oxidant and treatment fluid sources (142a, 142b, and 142c) to the downhole fluid heater (120). A downhole fuel control valve (126c) is in communication with the fuel conduit (124c) and is configured to change flow to the downhole fluid heater (120) in response to a change of pressure in a portion of the wellbore.

L'invention concerne un système pour traiter une zone souterraine (110) comprenant un chauffage de fluide en fond de trou (120) installé dans un puits de sondage (114). Des conduits de fluide de traitement, d'oxydant et de carburant (124a, 124b et 124c) raccordent les sources de carburant, d'oxydant et de fluide de traitement (142a, 142b et 142c) au chauffage de fluide en fond de trou (120). Une soupape de commande de carburant en fond de trou (126c) est en communication avec le conduit de carburant (124c) et est configurée pour modifier l'écoulement vers le chauffage du fluide en fond de trou (120) en réponse à un changement de pression dans une portion du puits de sondage.

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