Coiled tubing and drilling system

Details Coiled tubing and drilling system Coiled tubing and drilling system

E - Fixed Constructions

21

B

E21B 7/02 (2006.01) E21B 19/22 (2006.01)

Patent

CA 2657826

A technique facilitates combined drilling and coiled tubing operations from a single bed (22) of a rig. A mast (32) is mounted to the bed, and a coiled tubing injector (44) is connected to the mast. The coiled tubing injector is able to move coiled tubing (54) into and out of a wellbore. A starter head (66) also is mounted to the mast. The starter head is rotatable to make and break connections of tool string components. However, the starter head generally is rotationally stationary during drilling operations.

L'invention concerne une technique qui facilite les opérations combinées de forage et de tube enroulé à partir d'un seul lit (22) d'un appareil de forage. Un mât (32) est monté sur le lit, et un injecteur de tube enroulé (40) est relié au mât. L'injecteur de tube enroulé est capable de déplacer le tube enroulé (54) dans et hors d'un puits de forage. Une tête de démarrage (66) est également montée sur le mât. La tête de démarrage est apte à tourner pour réaliser et rompre des connexions des composants du train d'outils. Cependant, la tête de démarrage est généralement immobile en rotation pendant les opérations de forage.

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