Method and apparatus for drilling generally horizontal bores
Patent
·
OSTI ID:6094012
Means are provided to drill generally horizontal bores through heterogeneous fill and hard strata. A carriage providing power means to rotate a spindle is mounted on a generally horizontal track and is adapted to move longitudinally along the track. Swivel means about the spindle are provided with means to introduce a combined gas and liquid stream, suitably air and water, into a drill pipe connected to the spindle and through an impact drill mounted at the end of the drill pipe to power the drill and to flush cuttings from the hole.
- Assignee:
- EDB-85-043513
- Patent Number(s):
- US 4474252
- OSTI ID:
- 6094012
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
CUTTINGS REMOVAL
DIRECTIONAL DRILLING
DRILL BITS
DRILL PIPES
DRILLING
DRILLING EQUIPMENT
DRILLS
ELECTRONIC EQUIPMENT
EQUIPMENT
FLUID FLOW
HETEROGENEOUS EFFECTS
MOTION
PIPES
POWER SUPPLIES
REMOVAL
ROCK DRILLING
ROTARY DRILLS
ROTATION
020300* -- Petroleum-- Drilling & Production
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
CUTTINGS REMOVAL
DIRECTIONAL DRILLING
DRILL BITS
DRILL PIPES
DRILLING
DRILLING EQUIPMENT
DRILLS
ELECTRONIC EQUIPMENT
EQUIPMENT
FLUID FLOW
HETEROGENEOUS EFFECTS
MOTION
PIPES
POWER SUPPLIES
REMOVAL
ROCK DRILLING
ROTARY DRILLS
ROTATION