Cutting element orientation or geometry for improved drill bits

Details Cutting element orientation or geometry for improved drill bits Cutting element orientation or geometry for improved drill bits

2006-01-24

2006-01-24

Tsay, Frank S. (Department: 3672)

Boring or penetrating the earth

Bit or bit element

Rolling cutter bit or rolling cutter bit element

C175S374000, C175S426000

Reexamination Certificate

active

06988569

ABSTRACT:
A rolling cone drill bit is provided that has gage inserts on the first row from the bit axis to cut to full gage diameter that have a cutting portion enhanced with a layer of super abrasive material. The gage cutting surface has a center axis that is canted to be more normal to the gage curve such that the its point of contact at gage is away from the thinner portion of the layer of super abrasive material.

REFERENCES:
patent: 1998793 (1935-04-01), Stancliff
patent: 2117679 (1938-05-01), Reed
patent: 2147926 (1939-02-01), Scott
patent: 2230569 (1941-02-01), Howard et al.
patent: 2663546 (1953-12-01), Kammerer
patent: 2728559 (1955-12-01), Boice et al.
patent: 2815936 (1957-12-01), Peter et al.
patent: 2901224 (1959-08-01), Boice et al.
patent: 4187922 (1980-02-01), Phelps
patent: 4393948 (1983-07-01), Fernandez
patent: 4427081 (1984-01-01), Crawford
patent: 4802539 (1989-02-01), Hall et al.
patent: 4815342 (1989-03-01), Brett et al.
patent: 4832139 (1989-05-01), Minikus et al.
patent: 4915486 (1990-04-01), Hansen
patent: 5172777 (1992-12-01), Siracki et al.
patent: 5197555 (1993-03-01), Estes
patent: 5224560 (1993-07-01), Fernandez
patent: 5351768 (1994-10-01), Scott
patent: 5353885 (1994-10-01), Hooper
patent: 5372210 (1994-12-01), Harrell
patent: 5407022 (1995-04-01), Scott et al.
patent: 5415030 (1995-05-01), Jogi et al.
patent: 5479997 (1996-01-01), Scott
patent: 5697462 (1997-12-01), Grimes et al.
patent: 5833020 (1998-11-01), Portwood et al.
patent: 1214135.2 (1991-08-01), None

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