An assembly and method for discharging fluid into a drill...

Details An assembly and method for discharging fluid into a drill... An assembly and method for discharging fluid into a drill...

E - Fixed Constructions

21

B

E21B 7/24 (2006.01)

Patent

CA 2656610

According to one aspect of the invention there is provided a rotary-vibratory drilling apparatus. The drilling assembly is comprised of a vibratory apparatus, a rotary drive apparatus, a drill string, a first conduit and a second conduit. The first conduit communicates with the second conduit and the second conduit communicates with the drill string. The drilling assembly may further include a fluid reservoir communicating with the first conduit. Fluid may be discharged from the fluid reservoir into the first conduit, fluid may be discharged from the first conduit into the second conduit, and fluid may be discharged from the second conduit into the drill string. The first conduit may be threadedly connected to the second conduit.

Un aspect de l'invention concerne un appareil de forage rotatif vibrant. L'ensemble de forage se compose d'un appareil vibrant, d'un appareil à entraînement rotatif, d'un train de tiges de forage, d'un premier conduit et d'un second conduit. Le premier conduit communique avec le second conduit et le second conduit communique avec le train de tiges de forage. L'ensemble de forage peut inclure, en outre, un réservoir de fluide communiquant avec le premier conduit. Le fluide peut être introduit du réservoir de fluide dans le premier conduit, du premier conduit dans le second conduit, et du second conduit dans le train de tiges de forage. Le premier conduit peut être connecté par filetage au second conduit.

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