Mönchbusch – Horizontal Directional Drilling in Forest Terrain

Hard-to-access forest terrain combined with hard limestone and marl strata: Over a length of 330 meters, the project team executed a technically demanding HDD directional drill in Mönchbusch, installing three product conduits.

Specyfikacja techniczna

  • Drill Length: 330 m
  • Rig: AT-Boretec MT60
  • High-Pressure Mud Pump: 1,300 l/min
  • Pilot Hole: Double Rod System, 7 ½” TCI Roller Cone Bit
  • Guidance / Steering System: Falcon F5
  • Crossing Obstacle: Forest terrain

Bore Profile:

  • Entry Angle: 13°
  • Exit Angle: 15°
  • Vertical Bend Radius: 500 m
  • True Vertical Depth (TVD): 16 m

Geological Conditions & Pipe Specifications:

  • Geology: Limestone, marl
  • Product Conduits: 2 x HDPE 315 mm, SDR 11; 1 x HDPE 280 mm, SDR 11
  • Drilling Fluid: Bentonite-based

Final Pullback Force:

  • 315 mm – 148 kN
  • 315 mm – 165 kN
  • 280 mm – 100 kN