Back reaming tool

Details Back reaming tool Back reaming tool

2006-11-21

2006-11-21

Neuder, William (Department: 3672)

Boring or penetrating the earth

Enlargement of existing pilot throughbore requiring...

C175S385000, C175S406000

Reexamination Certificate

active

07137460

ABSTRACT:
A back reaming tool is disclosed which includes a tool body adapted to be coupled to a drill string, and at least cutting structure mounted to a leg and having cutting elements disposed thereon. The leg is removably coupled to the tool body.

REFERENCES:
patent: 4036313 (1977-07-01), Dixon et al.
patent: 4136748 (1979-01-01), Dickerhoff
patent: 6729418 (2004-05-01), Slaughter et al.
patent: 2002/0088649 (2002-07-01), Morris et al.

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