Mobile drilling apparatus

Details Mobile drilling apparatus Mobile drilling apparatus

1976-03-19

1978-11-21

Purser, Ernest R.

Boring or penetrating the earth

With tool drive prime mover or above-ground mechanical...

With installing casing

173 28, 173 43, 175173, 175320, 175324, 403 33, E21B 702

Patent

active

041261933

ABSTRACT:
Drilling apparatus mounted on a self-propelled base equipped with a joint to permit use on uneven terrain and drilling at various angles with respect to the terrain surface; embodiments of the invention feature suction apparatus for removing drill cuttings, and foldable masts.

REFERENCES:
patent: 1567294 (1925-12-01), Pihl
patent: 2914306 (1959-11-01), Failing
patent: 3033527 (1962-05-01), Wilson
patent: 3623558 (1971-11-01), Brown
patent: 3645343 (1972-02-01), Mays
patent: 3655001 (1972-04-01), Hoffman
patent: 3794126 (1974-02-01), Pereau
patent: 3919816 (1975-11-01), Ranft

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