Redbore 40

The Redbore 40 raisedrill is a small compact drill designed primarily for production slot programs. The drill can be configured for downreaming Redbore 40-SDR. Nominal capacities range from 28.5 in. (724 mm) up to 5 ft. (1.52 m) diameter with lengths of raise up to 500 ft. (152 m).

Dimensions

Extended Height139-13/16” 
(3.55 m)
Retracted Height119-5/8”
(3 04 m)
Transport Length *118-1/4” 
(3 00 m)
Transport Width *55-3/4” 
(1.42 m)
Transport Height *53-1/2” 
(1.40 m)
Transport Weight *11,556 lbs 
(5 253 kg)

*(excluding base plates/pipe loader/erector)

Thrust System

Thrust System TypeHydraulic Cylinders
Maximum Pilot Hole Force50,000 lbs 
(222 kN)
Maximum Reaming Force230,000 lbs
(1 023 kN)
Maximum Operating Pressure3,000 psi 
(20 684 kPa)

Rotation System

Rotation System TypeHydraulic Motor
Pilot Hole rpm0 – 80 Variable
Pilot Hole Torque @ 40 rpm5,000 ft-lbs 
(6.78 kN.m)*
Reaming rpm0 – 12 Variable
Transport Height *53-1/2” 
(1.40 m)
Reaming Torque @ 9 rpm33,750 ft-lbs (45.75 kN.m)*
Makeup Torque38,000 ft-lbs 
(51.5 kN.m)
Breakout Torque42,000 ft-lbs 
(56.9 kN.m)*
Operating Pressure3,000 psi 
(20 670 kPa)

*(values calculated at 90% efficiency)

Drill String

Raise Angle Range55º to Vertical
Pilot Hole Diameter228 mm x 121.92 m
Drill Pipe Diameter8” 
(203.2 mm)
Drill Pipe Length60” 
(1.52 m) s/s

(Hydraulically operated upper and lower rod wrench)