Boring or penetrating the earth – With tool shaft detail – Shaft carried guide or protector
Patent
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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Kanak Wayne I.
Moseley David L.
Novosad Stephen J.
Schlumberger Technology Corporation
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