Method for the in situ high frequency heat extraction of...

E - Fixed Constructions – 21 – B

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E21B 43/24 (2006.01) H05B 6/80 (2006.01)

Patent

CA 2734731

The invention relates to equipment for extracting hydrocarbons in an underground formation (1), including: at least one well (2); a hydrocarbon-collecting means (21); at least one high frequency generator (4) in the well (2), including a vacuum tube (7) as well as at least one anode (10) and at least one cathode (8) placed in the vacuum tube (7); at least one radiant load (6) in the well (2), connected to the high frequency generator (4); and a means for recovering the heat emitted by the anode (10), including at least one fluid-conveying pipe (3), said means being suitable for transferring at least part of the heat emitted by the anode (10) to the hydrocarbons or to the underground formation (1). The invention also relates to a hydrocarbon extraction method capable of being implemented in said equipment.

L'invention concerne une installation d'extraction d'hydrocarbures dans une formation souterraine (1), comprenant: au moins un puits (2); des moyens de prélèvement (21) des hydrocarbures; - au moins un générateur haute fréquence (4) dans le puits (2), comprenant un tube à vide (7) ainsi qu'au moins une anode (10) et au moins une cathode (8) disposées dans le tube à vide (7); au moins une charge rayonnante (6) dans le puits (2), connectée au générateur haute fréquence (4); et des moyens de récupération de la chaleur émise par l'anode (10) comprenant au moins une conduite de transport de fluide (3), lesdits moyens étant adaptés à transférer au moins une partie de la chaleur émise par l'anode (10) aux hydrocarbures ou à la formation souterraine (1). L'invention concerne également un procédé d'extraction d'hydrocarbures susceptible d'être mis en oeuvre dans cette installation.

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