Hydraulically actuated wire line apparatus

Details Hydraulically actuated wire line apparatus Hydraulically actuated wire line apparatus

1975-05-08

1977-03-22

Novosad, Stephen J.

Wells

Processes

With indicating, testing, measuring or locating

73151, E21B 4700, E21B 4710

Patent

active

040131238

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: 2416441 (1947-02-01), Grant et al.
patent: 2645289 (1953-07-01), Leas
patent: 2653474 (1953-09-01), Santiago
patent: 3046601 (1962-07-01), Hubbert et al.
patent: 3049752 (1962-08-01), Jorda et al.
patent: 3364993 (1968-01-01), Skipper
patent: 3855854 (1974-12-01), Hutchison et al.
patent: 3855855 (1974-12-01), Hutchison et al.
patent: 3855856 (1974-12-01), Hutchison et al.

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