Diamond cutting structure for drilling hard subterranean formati

Details Diamond cutting structure for drilling hard subterranean formati Diamond cutting structure for drilling hard subterranean formati

1993-03-30

1995-10-24

Bagnell, David J.

Boring or penetrating the earth

Bit or bit element

Specific or diverse material

175430, 175432, 407118, E21B 1046

Patent

active

054602335

ABSTRACT:
A rotary drag bit for drilling hard rock formations with substantially planar PDC cutting elements having diamond tables backed by substrates which flare or taper laterally outwardly and rearwardly of the cutting edge of the diamond table. A cutting structure defining a "lipped" cutting edge is also disclosed.

REFERENCES:
patent: Re32036 (1985-11-01), Dennis
patent: 4109737 (1978-08-01), Bovenkerk
patent: 4244432 (1981-01-01), Rowley et al.
patent: 4351401 (1982-09-01), Fiedler
patent: 4382477 (1983-05-01), Barr
patent: 4478298 (1984-10-01), Hake et al.
patent: 4511006 (1985-04-01), Grainger
patent: 4533004 (1985-08-01), Ecer
patent: 4558753 (1985-12-01), Barr
patent: 4607711 (1986-08-01), Zijsling
patent: 4629373 (1986-12-01), Hall
patent: 4705123 (1987-11-01), Dennis
patent: 4727945 (1988-03-01), Dennis
patent: 4792001 (1988-12-01), Zijsling
patent: 4926950 (1990-05-01), Zijsling
patent: 4984642 (1991-01-01), Renard et al.
patent: 4987800 (1991-01-01), Gasan et al.
patent: 4997049 (1991-03-01), Tank et al.
patent: 5011515 (1991-04-01), Furshour
patent: 5016718 (1991-05-01), Tandberg
patent: 5025874 (1991-06-01), Barr et al.
patent: 5037451 (1991-08-01), Burnand et al.
patent: 5060739 (1991-10-01), Griffin
patent: 5120327 (1992-06-01), Dennis
patent: 5135061 (1992-08-01), Newton, Jr.
patent: 5301762 (1994-04-01), Besson

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