Downhole stabilizers

Details Downhole stabilizers Downhole stabilizers

1989-03-14

1990-09-25

Kisliuk, Bruce M.

Boring or penetrating the earth

With tool shaft detail

Helix or helically arranged structure

175325, E21B 1710

Patent

active

049586920

ABSTRACT:
There is described a downhole stabilizer having a number of spiral fin-like blades. Each blade is provided with a pocket each of which carries an omni-directional rolling element bearing in the form of a ball which is engaged against the wall of the drilled hole.

REFERENCES:
patent: 1517027 (1924-11-01), Smith
patent: 1699087 (1929-01-01), Woodmansee et al.
patent: 1801294 (1931-04-01), Sutton
patent: 1877395 (1932-09-01), Goeser
patent: 1913365 (1933-06-01), Bailey
patent: 3762828 (1973-10-01), Faber
patent: 3907048 (1975-09-01), Gray
patent: 4031974 (1977-06-01), Peterson
patent: 4372622 (1983-02-01), Cheek

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