Navigable downhole drilling system

Details Navigable downhole drilling system Navigable downhole drilling system

1992-01-15

1993-12-14

Novosad, Stephen J.

Boring or penetrating the earth

Automatic control

Of boring means including a below-ground drive prime mover

175 40, 175 45, 175106, 175107, E21B 402, E21B 704

Patent

active

052693830

ABSTRACT:
A navigable downhole drilling system incorporating a drilling motor having a system of sensors and information processors for determining the depth, inclination, direction and thrust of the drilling motor. Accordingly, the drilling operation can be continuously monitored and adjusted to ensure desired directional drilling. A programmed processor may be incorporated into the drilling system to guide the drilling motor along a predetermined course. A generator assembly provides power to the processors and sensors as a result of the precessional rotation of the rotor within the stator of the drilling motor. The overall length of the drilling system is minimized by piggybacking the thrust bearings with the power generation unit and siamesing the transmission assembly for the drilling motor with the power section of the motor. As a result, a downhole drilling system of navigable length is created which can be readily directed along the desired course.

REFERENCES:
patent: Re30246 (1980-04-01), Richter, Jr. et al.
patent: 3807512 (1974-04-01), Pogonowski et al.
patent: 4047581 (1977-09-01), Erickson
patent: 4260032 (1981-04-01), Fox

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