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