Wellbore seal device

Details Wellbore seal device Wellbore seal device

2006-05-02

2006-05-02

Tsay, Frank S. (Department: 3672)

Wells

Packers or plugs

With central conduit and fluid port to space outside

C166S387000, C166S208000

Reexamination Certificate

active

07036581

ABSTRACT:
A device for providing a seal between two tubular member in a downhole environment is presented. The sealing device provides the capability of “boosting” or improving the seal, in the event of hydraulic pressure increases from above or below the seal.

REFERENCES:
patent: 3845815 (1974-11-01), Garwood
patent: 3897823 (1975-08-01), Ahlstone
patent: 4349071 (1982-09-01), Fish
patent: 4671354 (1987-06-01), Henderson et al.
patent: 5044441 (1991-09-01), Rubbo et al.
patent: 5333692 (1994-08-01), Baugh et al.

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