Well boring method and apparatus

Details Well boring method and apparatus Well boring method and apparatus

1996-06-06

1998-04-07

Bagnell, David J.

Boring or penetrating the earth

Boring without earth removal

Fluid passage to exterior of drive point

166162, 166222, 175 67, E21B 718, E21B 2100

Patent

active

057353565

ABSTRACT:
Apparatus is disclosed for removing soil from a well, which is particularly adapted for use both in cleaning out sandy deposits in pre-existing wells and in boring new well shafts through sandy ground, or through alternating hard and soft soil layers. The apparatus comprises a substantially cylindrical, hollow reservoir body tapered at the bottom end to form a drainage spout and open at the upper end. The reservoir body is lowered into the well liner toward the bottom of the well. A jet of water is introduced through a passageway in the reservoir to create a slurry wave which causes previously loosened soil inside the well liner to rise and overflow into the reservoir body, whereby the soil may then be removed from the well.

REFERENCES:
patent: 1279333 (1918-09-01), Green
patent: 2960368 (1960-11-01), Watanabe
patent: 3556597 (1971-01-01), Porter
patent: 3730592 (1973-05-01), Wenneborg et al.
patent: 4111262 (1978-09-01), Duncan

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