High flow downhole lock
AssigneeTejas Research & Engineering, LLC
InventorJason C. Mailand
Life of this patent
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Abstract
A high flow downhole lock assembly includes a mandrel with a plurality of external collet finger detents disposed about an exterior surface and an unobstructed inner diameter configured for flow, an external collet with a plurality of collet fingers disposed about an interior surface, and a dog housing with a plurality of extendable retaining dogs. When transitioning to a set configuration, a portion of the mandrel travels within the external collet, the plurality of collet fingers come to rest in one or more of the external collet finger detents, and the plurality of extendable retaining dogs are extended.
Claims17
A high flow downhole lock assembly comprising:
- a mandrel comprising a plurality of external collet finger detents disposed about an exterior surface and an unobstructed inner diameter configured for flow;
- an external collet comprising a plurality of collet fingers disposed about an interior surface;
- and
- a dog housing comprising a plurality of extendable retaining dogs,
- wherein, when transitioning to a set configuration, a portion of the mandrel travels within the external collet, the plurality of collet fingers come to rest in one or more of the external collet finger detents, and the plurality of extendable retaining dogs are extended, and
- wherein, when in the set configuration, a plurality of recovery shear pins disposed in the dog housing make contact with a recovery shear pin groove of the mandrel to set the assembly in a landing nipple.
Dependencies are inferred from the claim text.