Hydra-jet slotting tool

Details Hydra-jet slotting tool Hydra-jet slotting tool

1980-02-25

1982-08-31

Pate, III, William F.

Wells

Expansible anchor or casing

166222, 166 551, 166298, E21B 2900

Patent

active

043467610

ABSTRACT:
The present invention relates to an apparatus for controlling the rate and extent of cutting slots in flow conductors, particularly casing in wells. The apparatus is hung in the well from a pipe string, locked in position, and force applied to the string. A hydraulic metering mechanism acts against the applied force to control the rate of travel of one or more jet bodies attached to the movable mandrel of the apparatus, the stroke of which determines the extent of the cut.

REFERENCES:
patent: 2034768 (1936-03-01), O'Neill
patent: 2624409 (1953-01-01), O'Neill
patent: 2806514 (1957-09-01), Potts
patent: 2961048 (1966-11-01), Davis, Sr.
patent: 2965175 (1960-12-01), Ransom
patent: 2978030 (1961-04-01), Green
patent: 3266571 (1966-08-01), St. John et al.
patent: 3280913 (1966-10-01), Smith
patent: 3827512 (1974-08-01), Edmond
patent: 4134453 (1979-01-01), Love
patent: 4161224 (1979-07-01), Hostrap

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