Boring or penetrating the earth – Processes
Reexamination Certificate
2005-02-22
2005-02-22
Bagnell, David (Department: 3672)
Boring or penetrating the earth
Processes
C175S061000, C175S073000
Reexamination Certificate
active
06857484
ABSTRACT:
According to one embodiment of the invention, a system for power generation inside a steering tool includes a drive system having a drive shaft disposed within a wall of the steering tool, a rotating shaft rotatably coupled to a non-rotating sleeve of the steering tool, and a spline coupled to the rotating shaft. The spline is operable to indirectly drive the drive shaft by directly coupling to an idler gear of the drive system.
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Pending U.S. Appl. No. 10/367,535; filed Feb. 14, 2003; entitled: “System and Method for Coupling a Steering Rib to a Rotary Steerable Directional Drilling Tool”, Inventors: Dagobert Feld, et al.
Pending U.S. Appl. No. 10/367,522; filed Feb 14, 2003; entitled: “Saver Sub for a Steering Tool”, Inventors: Dagobert Feld, et al.
Helms Martin
Soni Satish K.
Bagnell David
Bomar Shane
Noble Drilling Services Inc.
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