Cutter assembly

Details Cutter assembly Cutter assembly

1984-05-03

1985-09-10

Novosad, Stephen J.

Boring or penetrating the earth

Bit or bit element

With fluid conduit lining or element

175410, E21B 1062, E21B 1064

Patent

active

045400563

ABSTRACT:
A drill bit with multiple fluid jet cutting nozzles designed so that the drill bit workface including the cutters is a separate piece from the drill bit body that houses the fluid jet nozzle orifice mounts. The cutter assembly protects the nozzle housing from rapid wear and it can be easily removed from the nozzle housing without disturbing or removing any of the nozzle orifice mounts.

REFERENCES:
patent: 554968 (1896-02-01), Wyant
patent: 1774522 (1930-09-01), Phipps
patent: 2884227 (1959-04-01), Hjalsten
patent: 3112803 (1963-12-01), Rowley
patent: 3382940 (1968-05-01), Stebley
patent: 3688852 (1972-09-01), Gaylord et al.
patent: 3952819 (1976-04-01), Adcock
patent: 4190125 (1980-02-01), Emmerich et al.
patent: 4406336 (1983-09-01), Olsen et al.
Development of a System for High Speed Drilling of Small Diameter Roof Bolt Holes--Final Report, Earth Mechanics Institute, Colorado School of Mines, U.S.D.O.E. Contract No. DE-AC01-76ET-12462, Apr. 1982.

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