Well packer provided with dual methods of use

Details Well packer provided with dual methods of use Well packer provided with dual methods of use

1983-04-01

1984-08-28

Purser, Ernest R.

Wells

Convertible

166191, 277 34, E21B 33124

Patent

active

044678657

ABSTRACT:
A low-cost, easily operable oil well packer is disclosed comprising two, spaced, circular restrainers attached to a producing casing section and connected by a hollow, flexible, cylindrical member surrounding the production casing section. The restraining members are provided with removable valve openings which are normally sealed and adjacent thereto and spaced between the threaded ends of the production casing section and the restraining members are additional valve openings which are also normally closed so that the well packer may be actuated by means of fluid pressure introduced by means of a connection from the interior of the production casing section or by means of an exterior hose.

REFERENCES:
patent: 2231282 (1941-02-01), Norris
patent: 2288233 (1942-06-01), Every
patent: 2544212 (1951-03-01), Bayless et al.
patent: 2629446 (1953-02-01), Freeling et al.
patent: 2650546 (1953-09-01), Pankratz
patent: 2818120 (1957-12-01), Whitton
patent: 3199900 (1965-08-01), Baer
patent: 3456725 (1969-07-01), Hatch

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