Drilling apparatus

Details Drilling apparatus Drilling apparatus

1975-03-24

1976-06-08

Purser, Ernest R.

Boring or penetrating the earth

With magazine for successively moving unconnected, oriented...

173 32, 175 9, 175 85, 175210, E21B 1914

Patent

active

039616738

ABSTRACT:
A drill string is mounted on a mast which is angularly adjustable relative to a frame. A support is connected to the frame so as to be angularly adjustable and has an open aperture for the drill string. The support is to be mounted on and secured upon a stationary member, such as a pipe, disposed at the operating location of the drilling apparatus.

REFERENCES:
patent: 1243580 (1917-10-01), Besancon
patent: 2565777 (1951-08-01), Moon
patent: 2598454 (1952-05-01), Smith
patent: 2606078 (1952-08-01), Brock
patent: 3495667 (1970-02-01), Cales
patent: 3539024 (1970-11-01), Irons et al.
patent: 3825076 (1974-07-01), Kolb
patent: 3857451 (1974-12-01), Williams

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