E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 7/06 (2006.01) E21B 17/10 (2006.01)
Patent
CA 2694858
A method for using dynamic motion of a drilling system in a borehole being drilled or cored in an earth formation by the drilling system, the drilling system comprising a drill bit and a drill- string, to control the drilling system, comprising: controlling dynamic interactions between a section of the drilling system and an inner surface of said borehole; and using the controlled dynamic interactions between the section of the drilling system and the inner surface of said borehole to control the drilling system and using a drill collar or gauge pad non-concentrically coupled with the drilling system to dynamically interact with the inner surface.
Cette invention porte sur un procédé permettant d'utiliser le mouvement dynamique d'un système de forage dans un puits de forage foré ou carotté dans une formation géologique par ce système de forage. Ce système de forage comprend un trépan et un train de tiges de forage, pour commander des interactions dynamiques entre une section du système de forage et une surface interne du puits de forage, l'utilisation des interactions dynamiques entre la section du système de forage et une surface interne du puits de forage pour commander le système de forage et l'utilisation d'un collier de forage ou d'un patin de jauge couplé de manière non concentrique au système de forage afin d'interagir de manière dynamique avec la surface interne.
Aldred Walter
Boualleg Riadh
Downton Geoffrey
Haugvaldstad Kjell
Johnson Ashley
Schlumberger Canada Limited
Smart & Biggar
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