Cup tool, cup tool cup and method of using the cup tool

Details Cup tool, cup tool cup and method of using the cup tool Cup tool, cup tool cup and method of using the cup tool

E - Fixed Constructions

21

B

E21B 33/126 (2006.01)

Patent

CA 2486462

A cup tool includes a cup tool tube having a threaded upper end for connection to a high-pressure mandrel, an outer surface over which an elastomeric cup is slidably mounted for reciprocal movement from an unset position for entry into a wellbore to a set position in which an annular gap is obstructed to contain fluid pressure below the elastomeric cup, the outer surface of the cup tool tube having a lower portion of a first diameter and an upper portion with a second, larger diameter and a tapered region between the upper portion and the lower portion, and the elastomeric cup includes a lip seal that rides against the outer surface of the cup tool tube, and seals against the tapered region of the cup tool tube to provide a high pressure seal between the cup tool tube and the elastomeric cup in the set position.

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