Seal cup for a wellbore tool and method

Details Seal cup for a wellbore tool and method Seal cup for a wellbore tool and method

2008-01-14

2009-06-30

Dang, Hoang (Department: 3672)

Wells

Processes

Placing or shifting well part

C166S202000, C166S387000, C277S335000

Reexamination Certificate

active

07552778

ABSTRACT:
A seal cup and method is disclosed that can be used on a wellbore tool. The seal cup includes an external circumferential seal land adjacent the cup lip and an outer surface capable of permitting drainage away from the seal land of fluids, which may seep past the seal land. This acts against pressure invasion in the interfacial contacting region between the seal cup and the structure, for example, a wellbore liner against which it is sealed.

REFERENCES:
patent: 2585706 (1952-02-01), Ware
patent: 2862559 (1958-12-01), Brown
patent: 2970649 (1961-02-01), Brown
patent: 2972379 (1961-02-01), Brown
patent: 3316971 (1967-05-01), Brown
patent: 3450412 (1969-06-01), Haskell

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