Water drill

Details Water drill Water drill

1991-03-29

1992-04-07

Bui, Thuy M.

Boring or penetrating the earth

With below-ground tool drive prime mover

Fluid rotary type

415 48, E21B 402

Patent

active

051019167

ABSTRACT:
A down-whole fluid drill assembly for boring holes in the earth, having a bit attached to a housing that is rotated by the passage of a fluid through the assembly. The drill assembly comprises at least two helical vanes connected to the first portion of a shaft that is mounted within a first hollow cylindrical housing. The helical vanes are attached to the first housing, defining at least two fluid channels between the adjacent vanes, housing, and the shaft. The drill bit is attached to the first end of the first housing. The second portion of the shaft is rotatably mounted within a second hollow cylindrical housing such that the first end of the second housing is adjacent to the second end of the first housing. The second housing has a fluid passage aligned in fluid flow communication with the fluid channels. A pressurized fluid is passed through a fluid supply conduit, and then through the fluid passage and the fluid channels, causing the first housing and attached bit to rotate, drilling a hole into the earth.

REFERENCES:
patent: 3807512 (1974-04-01), Pogonowski et al.
patent: 4011917 (1977-03-01), Tiraspolsky et al.
patent: 4256189 (1981-03-01), Fox et al.

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