Well tool

Details Well tool Well tool

1982-06-21

1984-09-11

Pate, III, William F.

Wells

Expansible anchor or casing

Fluid pressure actuated

166 72, 166322, 166375, 294 8634, E21B 4310

Patent

active

044704585

ABSTRACT:
A well tool for running, cementing and washing a well housing or casing hanger including a tubular body, a cementing stinger on the lower end of the body, a well housing releasably supported on the body, a hollow skirt having inwardly facing ports and positioned in surrounding relationship to the upper end of the housing, a washing fluid supply to the skirt, a pressure responsive valve in the washing fluid supply, the support for the well housing including a pressure responsive release and the pressure responsive valve and the release are connected so that the supply of washing fluid under pressure to the connection opens the valve and actuates the release for the washing step and the step of retrieving the well tool.

REFERENCES:
patent: 3752232 (1973-08-01), Bell et al.
patent: 3863719 (1975-02-01), Parker
patent: 3885625 (1975-05-01), Ahlstone
patent: 3924678 (1975-12-01), Ahlstone
patent: 3944273 (1976-03-01), Ahlstone

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