Drilling system

Details Drilling system Drilling system

1987-09-15

1989-05-02

Neuder, William P.

Boring or penetrating the earth

Automatic control

Of boring means including a below-ground drive prime mover

173 2, 173 11, 175 52, E21B 1920

Patent

active

048259624

ABSTRACT:
The invention relates to a drilling system. It includes, in combination, a drilling derrick by means of which a string of drill rods can be suspended from a hoist, a motorized drilling head at the end of the hoist, means for bringing a drill rod into position to be added to the drill string from a stack, a motor to drive the hoist, a reversible control for the said hoist motor, sensors for determining the state of the system, and a programmable robot to supply the set points to the hoist motor control according to signals furnished by the said system state sensors.

REFERENCES:
patent: 3872932 (1975-03-01), Gosselin
patent: 4354233 (1982-10-01), Zhukovsky et al.
patent: 4407017 (1983-09-01), Zhilikov et al.
patent: 4421179 (1983-12-01), Boyadjieff
patent: 4491186 (1985-01-01), Alder
patent: 4591006 (1986-05-01), Hutchison et al.
patent: 4604724 (1986-08-01), Shaginian et al.

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