Rolling cutters for drill bits

Details Rolling cutters for drill bits Rolling cutters for drill bits

1984-07-23

1986-01-07

Novosad, Stephen J.

Boring or penetrating the earth

Bit or bit element

Rolling cutter bit or rolling cutter bit element

175409, 29DIG1, E21B 1008

Patent

active

045628920

ABSTRACT:
A roller bit cutter comprises:

REFERENCES:
patent: 3235316 (1968-02-01), Whanger
patent: 3721307 (1973-03-01), Mayo
patent: 3984158 (1976-10-01), Sorensen et al.
patent: 3995917 (1976-12-01), Quinlan
patent: 4074922 (1978-02-01), Murdoch
patent: 4108692 (1978-08-01), Quinlan
patent: 4173457 (1979-11-01), Smith
patent: 4365679 (1982-12-01), Van Nederveen et al.
patent: 4368788 (1983-01-01), Drake
patent: 4372404 (1983-02-01), Drake

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