Rotary & Core Drilling

Rotary Drilling

HDCI has a diverse fleet of rotary rigs equipped for a variety of drilling techniques and well types.

Drilling Techniques:

• Air rotary
• Mud rotary
• DTH hammer
• Casing advancement

Drilling Types:

• Exploratory boreholes
• Pre-collar for wireline coring
• Methane drainage wells/Gob vent boreholes
• Monitoring wells
• Dewatering wells
• Surface holes

RIGS:

• Portadrill TKT

  Rig #7, Rig #8

  60,000 lb rating
  Table/kelly drive
  53 ft mast

• Schramm T300M

  Rig #9

  22,000 lb rating
  Tophead drive
  6 wheel drive

• Atlas Copco RD20

  Rig #10

  120,000 lb rating
  Tophead drive
  Range 3 mast

Support Equipment

• Portable fluid tanks
• Auxiliary air compressors
• Water trucks
• Flatbed trucks
• Winch trucks & trailers
• Fuel trucks
• Supply van
• Forklift/Backhoe
• 4×4 crew pickup

Core Drilling

HDCI specializes in surface core drilling, consistently providing excellent core recovery for our clients.

Drilling Techniques:

• Vertical/Angle
• Wireline core, capabilities to size “P”, double and triple tube
• Conventional core, capabilities to 6 inch

RIGS:

• Longyear HC-44

  Core Rig #7

  Vertical
  Capabilities to size “H”

• Atlas Copco/Christensen CT14

  Core Rig #10

  Vertical/Angle
  Capabilities to size “P”

Support Equipment

• Portable fluid tanks
• Auxiliary air compressors
• Water trucks
• Flatbed trucks
• Winch trucks
• Fuel trucks
• Supply van
• Forklift/Backhoe
• 4×4 crew pickup