Boring or penetrating the earth – With tool drive prime mover or above-ground mechanical... – With installing casing
Patent
1998-08-04
2000-12-19
Johnson, Brian L.
Boring or penetrating the earth
With tool drive prime mover or above-ground mechanical...
With installing casing
175296, 175394, 173135, E21B 720, E21B 414, E21B 1038, E21B 1044, B23B 4516
Patent
active
061616311
ABSTRACT:
A system for drilling a horizontal bore through frangible material includes a barrel mechanism containing a automatically reciprocating piston mechanism for automatically delivering hammering blows to a bit for chipping away the frangible material, a fluid distributor for directing fluid to and exhausting pressurized fluid from the piston mechanism without exposing the wall of the bore being created to fluid pressure greater than ambient atmospheric pressure, a spline/flute arrangement for causing the bit to rotate with the barrel mechanism, a motor and swivel mounted on a driven platform mounted on a supporting frame for urging the bit against the frangible material and for supplying the pressurized fluid, a pushing mechanism for non-rotatingly and simultaneously installing casing joints as various components of the system is rotatingly drilling the bore, an augering arrangement for, in conjunction with the casing joints, removing the drilling debris, and drill/auger stem sections for extending the drilling and augering capability of the system as the drilling progresses.
REFERENCES:
patent: 3232360 (1966-02-01), Dickinson
patent: 4928775 (1990-05-01), Lee
patent: 5311948 (1994-05-01), Kimberlin
patent: 5316092 (1994-05-01), Ilomaki
patent: 5386878 (1995-02-01), Rowekamp
patent: 5707176 (1998-01-01), Okubo
patent: 5778988 (1998-07-01), Ilomaki
patent: 5918687 (1999-07-01), Prater, Jr. et al.
Kennedy James
Kennedy Martin
Kennedy Michael
Kennedy Steven J.
Johnson Brian L.
Johnson Joseph L.
Rudy William A.
Sliteris Joselynn Y.
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