Disconnect device
AssigneeVarco I/P, Inc.
InventorRobert Parker
Life of this patent
Estimating the term…
Abstract
A disconnect device for use in oil well and gas well servicing operations. The device comprising a mandrel having one or more locking formations, and a hollow, female member in which the mandrel is releasably securable. The female member includes one or more lugs that are moveably retained relative to an inner surface thereof by a first retainer member engaged with at least one retainer formation formed in each lug. Each lug includes one or more locking formations. The disconnect device includes a second locking member that is moveable into and out of engagement with the retainer formation of each lug respectively to lock the lug in the first position and release it therefrom to permit its movement to the said second position.
Claims11
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.
Dependencies are inferred from the claim text.