Drilling machine and method of horizontal boring

Details Drilling machine and method of horizontal boring Drilling machine and method of horizontal boring

1994-03-11

1996-12-17

Bagnell, David J.

Boring or penetrating the earth

Processes

Boring horizontal bores

175 52, E21B 600, E21B 702, E21B 1920

Patent

active

055843514

ABSTRACT:
A drilling machine for horizontal boring comprising a chassis, a thrust chamber, a prime mover enabling a drill connection to transmit driving power to a drilling head by way of a plurality of drill rods, a magazine for housing singular drill rods, and transfer means for moving a drill rod from the magazine to one end of the drill connection. Also disclosed is a method of drilling a horizontal bore comprising the steps of excavating a trench, locating a self propelled chassis over the trench, lowering a thrust chamber into the trench, energizing a drill head by way of a drill connection comprising at least one drill rod, urging the drill head forwardly along the bore, transferring a further drill rod to the drill connection thereby extending the drill connection, and urging the drill head forwardly again along the bore.

REFERENCES:
patent: 2655117 (1954-01-01), Ivey
patent: 2752122 (1956-06-01), Hyatt et al.

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