Diamond drill bit with co-joined cutters

Details Diamond drill bit with co-joined cutters Diamond drill bit with co-joined cutters

1987-04-23

1987-12-22

Novosad, Stephen J.

Boring or penetrating the earth

Bit or bit element

Magnetized or with magnet

175409, E21B 1046

Patent

active

047141204

ABSTRACT:
An earth boring bit is shown having a body with one end which is connected to a drill string member for rotation and having an opposite end with a matrix formed thereon. A plurality of cutting elements are mounted on the matrix for dislodging geological formations. The cutting elements include groups of at least two but less than four cutters which are co-joined by a common backing of the matrix, the co-joined groups being spaced-apart from adjacent co-joined groups mounted on the matrix.

REFERENCES:
patent: 3127944 (1964-04-01), Davis
patent: 3938599 (1976-02-01), Horn
patent: 4073354 (1978-02-01), Rowley et al.
patent: 4098363 (1978-07-01), Rohde et al.
patent: 4244432 (1981-01-01), Rowley et al.
patent: 4246977 (1981-01-01), Allen
patent: 4460053 (1984-07-01), Jurgens et al.
patent: 4499958 (1985-02-01), Radtke et al.
patent: 4577706 (1986-03-01), Barr

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