Our Underground Rigs




Fletcher1

Fletcher2

2 - Permissible Fletcher LHD Longhole Rigs

Rig Capacity – > 5,000 ft

Maximum Distance Drilled 5,560 ft in 6.5’ coalbed

Rig Dimensions:
(4’ H x 8’ W x 17’ L (mast))

Rig Weight – 22,000 lbs

Power – 480/550 dual voltage

3 Ph. AC; 2 – 60 HP permissible motors

MSHA & PA BDMS Permissible














DB1

DB2




2 - Underground Low Profile
DB11 & DB12 Rigs
(only the DB12 shown)

Rig Capacity – 4,000 ft

Maximum Distance Drilled 3,775 ft

Rig Dimensions:
(2.5’ H x 7’ W x 13’ L (mast))

Rig Power Requirements – all hydraulics
Rig Weight – 6,000 pounds

DB11 and DB12 Rig and Triplex Pump Power Packs

Rig Weight – 8,000 lbs each

Power – 480/550 dual voltage; 3 Ph. AC; 2 – 60 HP permissible motors.

MSHA and PA BDMS Permissible Units










UDR1

UDR2

1 – Permissible Universal
Drill Rig

Rig Capacity – > 5,000 ft

Maximum Distance Drilled 5,200 ft in 3.5’ coalbed

Rig Dimensions:
(4’ H x 8’ W x 14’ L (mast))

Rig Weight – 23,000 lbs

Power – 480/550 dual voltage; 3 Ph

C; 1 – 125 HP permissible motors

MSHA and PA BDMS Permissible