Vibratory unit for drilling systems

Details Vibratory unit for drilling systems Vibratory unit for drilling systems

E - Fixed Constructions

21

B

E21B 4/02 (2006.01) E21B 4/14 (2006.01) E21B 7/24 (2006.01)

Patent

CA 2711220

A down-the-hole vibratory unit for a drilling system includes a casing comprising a fluid inlet, and a plurality of eccentrically weighted rotor assemblies positioned at least partially within the casing and in fluid communication with the inlet, the eccentrically weighted rotor assemblies that are unbalanced relative to a central axis and are configured to rotate in response to a fluid flow directed thereto to apply centrifugal forces to the casing.

L'invention porte sur une unité vibratoire de fond de trou pour un système de forage, laquelle unité comporte un boîtier comprenant une entrée de fluide, et une pluralité d'ensembles rotor à poids excentré positionnés au moins partiellement dans le boîtier et en communication fluidique avec l'entrée, les ensembles rotor à poids excentré, qui sont déséquilibrés par rapport à un axe central et sont configurés pour tourner en réponse à un écoulement de fluide dirigé vers ceux-ci, appliquant des forces centrifuges sur le boîtier.

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