Rotary drilling bits

Details Rotary drilling bits Rotary drilling bits

1983-02-17

1985-11-19

Novosad, Stephen J.

Boring or penetrating the earth

Bit or bit element

Magnetized or with magnet

175354, 175410, E21B 1052, E21B 1056

Patent

active

045536155

ABSTRACT:
A rotary drilling drag bit for drilling from the surface deep holes in sub-surface formations e.g. for oil has a body (4) with a diameter of at least 100 mm and having a bore for passage of drilling fluid to its face (3) and rotatable cutting elements (6) having a cutting face comprising an agglomerate of diamond particles so mounted on the body (4) that they are free to rotate in use.
The cutting elements are of long life and highly effective in drilling.

REFERENCES:
patent: 1723381 (1929-08-01), Seifert
patent: 1790613 (1931-01-01), Gildersleeve et al.
patent: 3720273 (1973-03-01), McKenry et al.
patent: 3763492 (1973-10-01), Levitt
patent: 4073354 (1978-02-01), Rowley et al.
patent: 4200159 (1980-04-01), Peschel et al.
patent: 4201421 (1980-05-01), Den Besten et al.
patent: 4222446 (1980-09-01), Vasek
patent: 4350215 (1982-09-01), Radtke
patent: 4396077 (1983-08-01), Radtke

Affiliated with

Also associated with

Rating

Rotary drilling bits does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Rotary drilling bits, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Rotary drilling bits will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-78963