Hydraulically actuated wire line apparatus

Details Hydraulically actuated wire line apparatus Hydraulically actuated wire line apparatus

1974-09-30

1976-06-08

Novosad, Stephen J.

Wells

Packers or plugs

Expanded by confined fluid from central chamber, pump or...

166 64, E21B 33127, E21B 2304

Patent

active

039616673

ABSTRACT:
A self-contained wire line inflatable packer useful to carry an impression sleeve into a well for making impressions of the well surface, the inflatable sleeve of the wire line packer being automatically sequentially inflated and deflated by a valve controlled by a sequencing timer actuating means utilizing the flow of a noncompressible liquid through an orifice to provide time-sequenced operation.

REFERENCES:
patent: 2050128 (1936-08-01), Schlumberger
patent: 2399766 (1946-05-01), Steward
patent: 2645289 (1953-07-01), Leas
patent: 2815816 (1957-12-01), Baker
patent: 2935615 (1960-05-01), True
patent: 2978029 (1961-04-01), O'Reilly et al.
patent: 3066739 (1962-12-01), Saurenman et al.
patent: 3138207 (1964-06-01), Peppers
patent: 3364993 (1968-01-01), Skipper
patent: 3478584 (1969-11-01), Strubhar et al.
patent: 3578079 (1971-05-01), Alexander

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