Hydraulic jetting system

Details Hydraulic jetting system Hydraulic jetting system

1996-08-15

1999-08-31

Dang, Hoang C.

Boring or penetrating the earth

Means traveling with tool to constrain tool to bore along...

175 61, 175 67, E21B 708, E21B 718

Patent

active

059441232

ABSTRACT:
Apparatus for drilling a well comprising, in one embodiment, a borehole assembly having a motor rotated drill head with ports for emitting a fluid, coiled tubing operatively associated with the drill head to supply fluid and support the drill head, the borehole assembly adapted to drill a channel off axis by varying the speed of the motor drive during a cycle or by varying fluid pressure to the drill head during a cycle.

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