Whipstock and method for setting such a whipstock

E - Fixed Constructions – 21 – B

Patent

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Details

E21B 7/06 (2006.01) E21B 23/00 (2006.01) E21B 23/01 (2006.01) E21B 29/06 (2006.01)

Patent

CA 2190260

A whipstock and method of using same wherein first and second opposing ends of the whipstock (30) are joined by opposing back (32) and guide (33) surfaces and the second or upper end of the whipstock is composed of at least two surfaces (35, 36), the first surface (35) being angled so as to direct a well tool impinging thereon toward the guide surface and the second surface (36) being angled so as to provide support for the whipstock when placed in a wellbore (1) at an angle to the long axis (4) of the wellbore.

Sifflet déviateur et son procédé d'utilisation dans lequel des première et seconde extrémités opposées du sifflet déviateur (30) sont jointes par des surfaces opposées arrière (32) et de guidage (33), la seconde extrémité ou extrémité supérieure du sifflet déviateur étant composée d'au moins deux surfaces (35, 36), la première (35) étant en angle de manière à diriger vers la surface de guidage un outil de forage venant se heurter contre sur cette première surface, et la seconde surface (36) étant également en angle de manière à constituer un support pour le sifflet déviateur lorsque celui-ci est placé dans un trou de forage (1) selon un certain angle par rapport à l'axe longitudinal (4) dudit trou.

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