Service packer with spaced apart dual-slips

Details Service packer with spaced apart dual-slips Service packer with spaced apart dual-slips

1998-01-08

2000-09-05

Lillis, Eileen D.

Wells

Packers or plugs

With expanding anchor

166120, 166212, E21B 2306, E21B 3312

Patent

active

061128112

ABSTRACT:
Apparatus and methods are provided for anchoring within tubular structures and releasing therefrom. A packer capable of withstanding very large combined loads and differential pressures is provided with multiple dual slips. The packer uniquely distributes forces resulting from the loads and differential pressures among its slips, thereby minimizing damage to the tubular structure. In addition, the packer includes a debris barrier and a release device which permit convenient retrieval of the packer.

REFERENCES:
patent: 3559733 (1971-02-01), Kilgore
patent: 4457369 (1984-07-01), Henderson
patent: 4600058 (1986-07-01), Wormer et al.
patent: 5046557 (1991-09-01), Manderscheid
patent: 5433269 (1995-07-01), Hendrickson
patent: 5875852 (1999-03-01), Floyd et al.
patent: 5988276 (1999-11-01), Oneal

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