Vortex method

Details Vortex method Vortex method

1996-02-26

1997-08-05

Neuder, William P.

Boring or penetrating the earth

Processes

Boring with specific fluid

175424, E21B 1060

Patent

active

056532989

ABSTRACT:
A method and abstract of removing a surface subject to a subsurface pressure and an environmental surface pressure at least equal to the subsurface pressure, which comprises jetting fluid through a nozzle facing and located a predetermined distance from said surface, said nozzle being shaped to eject the fluid in a steam having a higher core pressure than said environmental pressure, said higher pressure stream having adjacent thereto at least one zone of pressure negative relative to said subsurface pressure, said distance being predetermined to expose said surface to said zone of negative pressure, whereby said surface is caused to explode into said zone of negative pressure from the force of said subsurface pressure.

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patent: 4494618 (1985-01-01), Radtke
patent: 4533005 (1985-08-01), Morris
patent: 4886131 (1989-12-01), Cholet et al.

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