Well drilling apparatus

Details Well drilling apparatus Well drilling apparatus

1977-03-14

1979-04-10

Pate, III, William

Boring or penetrating the earth

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

With installing casing

173163, 175173, 175257, 175 88, E21B 304

Patent

active

041483677

ABSTRACT:
This invention is a Well Drilling Apparatus primarily intended for drilling water wells, but also adaptable for other well, or hole drilling activities. The apparatus is particularly characterized by an independent driving arrangement for the drill, accompanied by an independent driving arrangement by which the casing may be turned during the drilling operation for ease of insertion and may accompany the drill into the ground to prevent collapse during drilling operations as well as to enhance the removal of drilled material.

REFERENCES:
patent: 2946567 (1960-07-01), Pepper
patent: 3390730 (1968-07-01), Techy et al.
patent: 3645343 (1972-02-01), Mays
patent: 3703212 (1972-11-01), Abrahams
patent: 3734212 (1973-05-01), Perlewitz

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