Well point and method of driving same

Details Well point and method of driving same Well point and method of driving same

1980-07-31

1983-01-18

Leppink, James A.

Boring or penetrating the earth

Boring without earth removal

Fluid passage to exterior of drive point

175 65, 175293, 175314, E21B 720

Patent

active

043687857

ABSTRACT:
Several embodiments of a well point are disclosed which include a resilient member that elongates each time an anvil surface near the conical tip of the well point is impacted by a drive rod. The drive rod is repeatedly raised and dropped to force the well point downwardly through the soil, pulling sections thereabove until the desired casing depth is reached.

REFERENCES:
patent: 216042 (1879-06-01), Le Grand et al.
patent: 674191 (1901-05-01), Allen et al.
patent: 2257765 (1941-10-01), Scaramucci
patent: 2391828 (1945-12-01), Hood
patent: 2744579 (1956-05-01), Gerhardt

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