Hydraulically operated well packer

Details Hydraulically operated well packer Hydraulically operated well packer

1990-10-12

1992-04-14

Bui, Thuy M.

Wells

Packers or plugs

With expanding anchor

E21B 2304, E21B 33128

Patent

active

051039010

ABSTRACT:
A hydraulic well packer having upper and lower slip assemblies with pivotable teeth therein for engaging the well casing to lock the packer in the casing and having elastomer seals between the upper and lower slip assemblies. A hydraulic assembly is coupled to the lower slip assembly for forcing it upwardly towards the upper slip assembly thereby compressing the elastomer seals outwardly against the well casing to form a liquid-tight seal and forcing the slip teeth outwardly to lock the well packer in place in the well casing.

REFERENCES:
patent: 3002561 (1961-10-01), Baker et al.
patent: 3054450 (1962-09-01), Baker
patent: 3142338 (1964-07-01), Brown
patent: 3195642 (1965-07-01), Conrad
patent: 3716101 (1973-02-01), McGowen, Jr. et al.
patent: 4289200 (1981-09-01), Fisher, Jr.
patent: 4345649 (1982-08-01), Baugh et al.
patent: 4487258 (1984-12-01), Jackson et al.
patent: 4754814 (1988-07-01), Jordan, Jr.
patent: 4834175 (1989-05-01), Ross et al.
Baker Packers 1982-1983 Catalog, p. 852.
Minimum Exposure Packer, Part No. 118-S-0109, Dated Nov. 3, 1986.

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