Downhole pressure containment system

Details Downhole pressure containment system Downhole pressure containment system

2006-05-01

2008-11-18

Neuder, William P (Department: 3672)

Wells

Processes

Placing or shifting well part

C166S321000

Reexamination Certificate

active

07451828

ABSTRACT:
An isolation system employing a containment zone within the casing or tubing of a wellbore. The containment zone can be isolated from the wellbore pressure and leak tested to ensure no leakage is occurring across the zone. The isolation system prevents wellbore pressure below the system from communicating with the surface, thereby allowing for safe egress of tools from within the wellbore.

REFERENCES:
patent: 6227298 (2001-05-01), Patel
patent: 2001/0023765 (2001-09-01), Patel
patent: 2001/0030049 (2001-10-01), Patel
patent: 2006/0016595 (2006-01-01), Rioufol et al.
patent: 2006/0124312 (2006-06-01), Rytlewski et al.
patent: 0 962 625 (2004-07-01), None

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