Drill bit stabilizer

Details Drill bit stabilizer Drill bit stabilizer

1987-07-23

1989-06-27

Massie, Jerome W.

Boring or penetrating the earth

With tool shaft detail

Shaft carried guide or protector

175408, E21B 1062, E21B 1710

Patent

active

048420832

ABSTRACT:
A stabilizer for driving and radially stabilizing a drill bit. The stabilizer has a fluid passage therethrough for passage of drilling fluid to the drill bit. The stabilizer includes radially extendable wedge-like members for stabilizing abutment thereof with a borehole wall; means affected by drilling fluid pressure or spring tension for controlling extension and retraction of the wedge-like members; and, inclined slide surfaces for frictional interaction with the wedge-like members to prevent radial movement of said stabilizer relative to a borehole.

REFERENCES:
patent: 1738860 (1929-12-01), Wigle
patent: 3051255 (1962-08-01), Deely
patent: 3123163 (1964-03-01), Rowley
patent: 3180436 (1965-04-01), Kellner et al.
patent: 4270619 (1981-06-01), Base
patent: 4388974 (1983-06-01), Jones, Jr. et al.
patent: 4681160 (1987-07-01), Fineberg
patent: 4690229 (1987-09-01), Raney
patent: 4693328 (1987-09-01), Furse et al.

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