Process for stimulation of oil wells

E - Fixed Constructions – 21 – B

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E21B 43/25 (2006.01) E21B 28/00 (2006.01) E21B 43/00 (2006.01)

Patent

CA 2278024

There is described a process for the stimulation of an oil reservoir or an oil well for enhanced oil recovery and/or seismic mapping of the reservoir, wherein a sound source is used. This sound source is operated by pressurized oil from the oil well by a hydraulic power unit at the surface, and the oil is conducted to an accumulator located in the sound source via a supply line.

La présente invention concerne un procédé de stimulation de réservoir de pétrole ou de puits de pétrole destiné à permettre une meilleure récupération du pétrole et/ou permettant un repérage sismique du réservoir, lequel procédé fait intervenir une source sonore. Cette source sonore est mise en oeuvre par le pétrole sous pression provenant du puits de pétrole au moyen d'un groupe moteur hydraulique situé en surface, le pétrole étant alors envoyé via une ligne d'alimentation dans un accumulateur se trouvant dans la source sonore.

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