Well bore cleaning and tubular circulating and flow-back...

Details Well bore cleaning and tubular circulating and flow-back... Well bore cleaning and tubular circulating and flow-back...

E - Fixed Constructions

21

B

E21B 37/00 (2006.01) E21B 21/10 (2006.01)

Patent

CA 2507778

A method of cleaning casing (16) with a tubular wiper (22) and a valve arrangement (29).

La présente invention a trait à plusieurs appareils de récurage de puits de forage fournissant un procédé de nettoyage d'un puits de forage lors du déploiement des appareils dans le puits provoquant la pénétration en force du fluide de forage dans un tubage et déplaçant les matières solides vers la surface. L'invention a également trait à un procédé de nettoyage d'une pluralité de diamètres de tubages. L'invention a trait en outre à un procédé de circulation ou de circulation inverse du forage à tout moment lors du déploiement de l'appareil.

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