Boring or penetrating the earth – Means traveling with tool to constrain tool to bore along...
Patent
1986-10-30
1989-03-14
Novosad, Stephen J.
Boring or penetrating the earth
Means traveling with tool to constrain tool to bore along...
175256, E21B 1710
Patent
active
048117986
ABSTRACT:
A body and driveshaft extension for down hole drilling motors to allow the down hole assembly to operate as part of a drill string responsive to selected manipulations of the drilling fluid flow rate, carried out at the earth surface, to assume either a straight hole drilling configuration or a directional drilling configuration by choice of the driller.
In the directional drilling configuration, the drill head driving output shaft rotates about a centerline deflected from the motor general centerline. The point of deflection is between the drilling motor and the drill head.
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patent: 4655289 (1987-04-01), Schoeffler
Falgout, Sr. Thomas E.
Schoeffler William N.
Jeter John D.
Neuder William P.
Novosad Stephen J.
Team Construction and Fabrication, Inc.
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