Methods and apparatus to sample heavy oil from a subteranean...

Details Methods and apparatus to sample heavy oil from a subteranean... Methods and apparatus to sample heavy oil from a subteranean...

E - Fixed Constructions

21

B

E21B 49/10 (2006.01)

Patent

CA 2687372

A method of sampling fluid from a subterranean formation includes positioning a first tool having a heater in a borehole so that the heater is adjacent a portion of the subterranean formation; heating with the heater the portion of the subterranean formation; moving the first tool from the borehole; positioning a second tool having a sampling probe in the borehole so that the sampling probe is to contact a portion of the subterranean formation heated by the heater; and obtaining via the sampling probe a fluid sample from the portion of the subterranean formation heated by the heater.

Un procédé de prélèvement d'un fluide à partir d'une formation souterraine consiste à positionner un premier outil comportant un dispositif de chauffage dans un trou de mine, de telle sorte que le dispositif de chauffage soit adjacent à une partie de la formation souterraine ; chauffer avec le dispositif de chauffage la partie de la formation souterraine ; déplacer le premier outil hors du trou de mine ; positionner un second outil comportant une sonde de prélèvement dans le trou de mine, de telle sorte que la sonde de prélèvement soit en contact avec une partie de la formation souterraine chauffée par le dispositif de chauffage ; et obtenir par la sonde de prélèvement un prélèvement de fluide à partir de la partie de la formation souterraine chauffée par le dispositif de chauffage.

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