Drilling stabilizer

Details Drilling stabilizer Drilling stabilizer

1993-07-07

1994-11-15

Novosad, Stephen J.

Boring or penetrating the earth

With tool shaft detail

Shaft carried guide or protector

1662417, 285404, E21B 1710, F16L 2100, F16L 2504

Patent

active

053639316

ABSTRACT:
A stabilizer to be mounted on a collar of a well drilling string including a circumferentially continuous tubular body having several outwardly extending blades thereon, the tubular body having an inner dimension such that it can be slid onto a drill collar, and radially energized components which positively fix the stabilizer on the collar including dies mounted in the blades, and having serrations on their inner faces, and drive elements to cause the serrations to bite into the collar and thereby fix the stabilizer thereon in a selected longitudinal and rotational position.

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