Underground

underground: rig design & fabrication

Our Underground Rigs

fletcher

fletcher2

2 - Permissible Fletcher LHD Longhole Rigs

Rig Capacity – > 5,000 feet

Maximum Distance Drilled 5,560 feet in 6.5’ coalbed Rig Dimensions (4’ H x 8’ W x 17’ L (mast))

Rig Weight – 22,000 pounds

Power – 480/550 dual voltage

3 Ph. AC; 2 – 60 Hp permissible motors.

MSHA and PA BDMS Permissible

db12

db12

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

Rig Capacity – 4,000 feet

Maximum Distance Drilled 3,775 feet
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

Dimensions – 2.5’ H x 7’ W x 10’ L, each
Weight – 8,000 pounds, 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 feet

Maximum Distance Drilled 5,200 feet in 3.5’ coalbed Rig Dimensions (4’ H x 8’ W x 14’ L (mast))

Rig Weight – 23,000 pounds

Power – 480/550 dual voltage; 3 Ph.

C; 1 – 125 Hp permissible motors.

MSHA and PA BDMS Permissible

cms60a

cms60b

CMS 60 HDD Diesel Powered Surface Rig

Rig Capacity – 66,000 pounds push / pull
Rig Dimensions (5’ H x 8’ W x 20’ L (mast))

Rig Weight – 6,000 pounds

Power Pack (mounted on Cleveland Trailer – 185 Hp John Deere Diesel Engine

Triplex Water Pump – FMC 1224M, 120 gpm

2 – 1,000 gallon mix tanks