Integral blade cylindrical gauge stabilizer reamer

Details Integral blade cylindrical gauge stabilizer reamer Integral blade cylindrical gauge stabilizer reamer

1981-10-06

1983-05-31

Novosad, Stephen J.

Boring or penetrating the earth

With tool shaft detail

Helix or helically arranged structure

175325, 175329, 308 4A, E21B 1044, E21B 1056, E21B 1722

Patent

active

043856691

ABSTRACT:
This invention is directed to a stabilizer-reamer which is useful in drilling oil wells and holes in mineral formations. The stabilizer-reamer extends the life of the drill bit by maintaining the diameter of the hole to original specifications. The stabilizer-reamer comprises a stabilizer portion which reduces excessive lateral movement of the drill bit, a reamer portion which reams away undersize portions of the walls of the hole and a rock chip grinding portion which breaks down oversize rock chips in the hole.

REFERENCES:
patent: 3180439 (1965-04-01), Deely
patent: 3712392 (1973-01-01), Gorgendiere
patent: 3833077 (1974-09-01), Lavallee
patent: 3885637 (1975-05-01), Veprintsev et al.
patent: 3978993 (1976-09-01), Olson et al.
patent: 4043611 (1977-08-01), Wallace
patent: 4273159 (1981-06-01), Bolton et al.

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