Boring or penetrating the earth – With tool shaft detail – Shaft carried guide or protector
Patent
1996-04-04
1998-09-15
Neuder, William P.
Boring or penetrating the earth
With tool shaft detail
Shaft carried guide or protector
138110, E21B 1710
Patent
active
058066152
ABSTRACT:
An apparatus for use in a wellbore comprises an inner member mountable on or formed as an integral part of a drill string, and an outer member removably mounted on the inner member. In a preferred embodiment the apparatus can be used as a stabilizer for said drill string.
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Drilltech Services (North Sea), Ltd.
Neuder William P.
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