Patent ID: 6923256
Filing Date: 2005-08-02
Classification: E21B

Abstract:
1. A disconnect device comprising, a mandrel having formed on an outer surface thereof at least one locking formation; a hollow, female member in which the mandrel is releasably securable, the female member including at least one lug that is moveably retained relative to an inner surface thereof by a retainer member engaged with at least one retainer formation formed in said lug; said lug further including one or more locking formations that are engageable with a corresponding said locking formation on the outer surface of the mandrel to lock the mandrel in the female member when said lug is in a first position relative to said inner surface, and that release the mandrel from the female member when in a second position relative to said inner surface; and a second locking member that is moveable into and out of engagement with said retainer formation of said lug to selectively lock said lug in the said first position and release it therefrom to permit its movement to the said second position.