Directional drilling tool

Details Directional drilling tool Directional drilling tool

1975-02-27

1976-08-17

Leppink, James A.

Boring or penetrating the earth

Means traveling with tool to constrain tool to bore along...

Axially spaced opposed bore wall engaging guides

175269, E21B 706, E21B 926

Patent

active

039748863

ABSTRACT:
A tool adapted to be mounted on an elongated fluid conductive assembly such as a drill string for performance of a predetermined work operation at a remote location, such as the directional control of drilling, the tool having a tool body borne by the fluid conductive assembly for positioning in the remote location; a work member mounted on the tool body for movement laterally thereof; and a cam member received in the tool body in engagement with the work member for movement longitudinally in the tool body to move the work member laterally of the tool body upon predetermined pressurization of the fluid conductive assembly.

REFERENCES:
patent: 1921135 (1933-08-01), Santiago
patent: 2142559 (1939-01-01), Duus
patent: 2170452 (1939-08-01), Grant
patent: 2659438 (1953-11-01), Schnitter
patent: 2686660 (1954-08-01), Storm
patent: 2891769 (1959-06-01), Page, Sr. et al.
patent: 3092188 (1963-06-01), Farris et al.
patent: 3424256 (1969-01-01), Jeter et al.
patent: 3572450 (1971-03-01), Thompson
patent: 3593810 (1971-07-01), Fields

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