Rotatable drill pipe having an auger on a free end thereof

Details Rotatable drill pipe having an auger on a free end thereof Rotatable drill pipe having an auger on a free end thereof

1996-04-25

1998-09-08

Schoeppel, Roger J.

Boring or penetrating the earth

Boring without earth removal

Fluid passage to exterior of drive point

175 22, 405236, 405241, E02D 556, E02D 562

Patent

active

058031847

ABSTRACT:
Method and device for introducing a pipe into the ground. In order to restrict the drive power necessary to the greatest possible extent and to optimize the diameter of the pipe, it is proposed that the soil surrounding the pipe is displaced in the radial direction. To this end the pipe is provided with one or more displacement elements.

REFERENCES:
patent: 1665798 (1928-04-01), Sipe
patent: 3438212 (1969-04-01), Turzillo
patent: 3485052 (1969-12-01), Turzillo
patent: 3540225 (1970-11-01), Muller
patent: 4484640 (1984-11-01), Feklin et al.
patent: 4533279 (1985-08-01), van der Elzen et al.
patent: 4623025 (1986-11-01), Verstraeten
patent: 5279502 (1994-01-01), Goughnour

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