Use of a heavy petroleum fraction as a drive fluid in the...

Details Use of a heavy petroleum fraction as a drive fluid in the... Use of a heavy petroleum fraction as a drive fluid in the...

E - Fixed Constructions

21

B

E21B 43/22 (2006.01) C09K 8/58 (2006.01) C09K 8/592 (2006.01) E21B 43/24 (2006.01)

Patent

CA 2594626

Use of heavy petroleum fraction as a drive fluid in the recovery of hydrocarbons from a subterranean formation. The hydrocarbons may be in the form of bitumen or heavy oil. The heavy petroleum fraction may be injected into at least one injection well and hydrocarbons produced out of at least one distinct production well. The heavy petroleum fraction may be co-injected together with steam and/or hot water and/or solvent. The heavy petroleum fraction may be a heavy fraction of a process used to upgrade crude oil, such as a heavy asphaltene fraction produced from solvent deasphalting crude oil produced by this recovery process.

Utilisation d'une fraction lourde d'hydrocarbures comme fluide d'entraînement pour la récupération d'hydrocarbures dans une formation souterraine. Les hydrocarbures peuvent être sous forme de bitume ou de pétrole lourd. La fraction de pétrole lourd peut être injectée dans au moins un puits d'injection, et les hydrocarbures obtenus sortir d'au moins un puits de production distinct. La fraction de pétrole lourd peut être co-injectée avec de la vapeur et/ou de l'eau chaude et/ou un solvant. La fraction de pétrole lourds peut être une fraction lourde issue d'un procédé d'amélioration du pétrole brut, par exemple la fraction d'asphaltène issue du désasphaltage au solvant du pétrole brut dans le cadre d'un tel procédé.

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