Backup tool and method for preventing rotation of a drill string

Details Backup tool and method for preventing rotation of a drill string Backup tool and method for preventing rotation of a drill string

1996-02-29

1998-07-28

Bagnell, David J.

Boring or penetrating the earth

Processes

81 5716, 81 5734, B25B 1350

Patent

active

057851328

ABSTRACT:
A backup tool for engaging a drill pipe body having elongated jaws such that the pressure exerted by the jaws on the drill pipe body is sufficiently distributed to not damage the drill pipe body.

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