Roller cone core bit with spiral stabilizers

Details Roller cone core bit with spiral stabilizers Roller cone core bit with spiral stabilizers

1993-01-21

1994-03-01

Bui, Thuy M.

Boring or penetrating the earth

With tool shaft detail

Shaft carried guide or protector

175408, E21B 1710

Patent

active

052898890

ABSTRACT:
This invention relates to an improved roller cone coring bit that includes spiral stabilizer blades on the bit body. The spiral stabilizer blades reduce the whirling tendency of the bit, thereby enhancing the ability to cut and recover a continuous core.

REFERENCES:
patent: 4245709 (1981-01-01), Manuel
patent: 4277869 (1981-07-01), Hartwell
patent: 4630690 (1986-12-01), Beasley et al.
patent: 5058689 (1991-10-01), Collinsworth

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