Apparatus and method for driving casing or conductor pipe

Details Apparatus and method for driving casing or conductor pipe Apparatus and method for driving casing or conductor pipe

1984-10-04

1987-10-27

Kazenske, E. R.

Tool driving or impacting

Work cleansing

By motive fluid for drive motor or advance causing or...

173 61, 175215, 175257, B25D 1714

Patent

active

047023252

ABSTRACT:
Apparatus for driving casing, piles, or conductor pipe into the ground comprises in combination; an external reciprocal impact driving means supported atop the conductor pipe, internal rotatable drilling means supported within the conductor pipe, and means associated therewith for introducing air and water under pressure for creating a pressure differential to evacuate the drilling debris and cuttings to the surface. The drilling means is supported within said conductor pipe at the bottom portion thereof near the point of least energy absorption and rebound. The driving and drilling operations may be performed simultaneously or sequentially.

REFERENCES:
patent: 3847230 (1974-11-01), Blomquist
patent: 3871486 (1975-03-01), Curington et al.

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