Self-propelled subsoil penetrating tool system

Details Self-propelled subsoil penetrating tool system Self-propelled subsoil penetrating tool system

1988-06-02

1990-09-11

Neuder, William P.

Boring or penetrating the earth

With signaling, indicating, testing or measuring

Tool position direction or inclination measuring or...

175 61, 175 71, E21B 47022, E21B 706

Patent

active

049554395

ABSTRACT:
A fluid-operated self-propelled subsoil penetrating tool of the type including an elongated housing member having a penetrating nose portion capable of ejecting a jet of liquid under high pressure to break up and disrupt the subsoil adjacent such nose portion followed by a two-component hammering of such soil to displace and compact same as the tool advances. Remotely-operated steering mechanisms control the path of the tool while remotely-read instruments denote the position, depth, direction and attitude of the tool. A trailing umbilical cord provides all motive and operational fluids and electrical power while transmitting instructions and data between the tool and the remote control station. A unique internal structure reduces the rotation of the tool as it advances and provides for the reverse movement of the tool and electrical supplies through the bore created by the movement of the tool through the subsoil.

REFERENCES:
patent: 3997008 (1976-12-01), Kellner
patent: 4739841 (1988-04-01), Das

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