Boring or penetrating the earth – Boring without earth removal
Patent
1988-06-02
1989-08-22
Neuder, William P.
Boring or penetrating the earth
Boring without earth removal
175269, 175295, 175390, E21B 1102
Patent
active
048587036
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: 3554303 (1971-01-01), Zaskowski
patent: 4749050 (1988-06-01), Ritter
Neuder William P.
Teschner David
Underground Technologies, Inc.
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