PRAKLA RB50

PRAKLA Bohrtechnik GmbH

The leading German manufacturer of multipurpose drilling rigs,has just introduced new version of drilling rig RB 50. This rig is suitable for advanced water well drilling with different drilling methods,e.g. “Reverse Mud circulation by Air Lift”, “Reverse DTH Hammer drilling” and “Drilling while casing”.

Universal rotary drill

The RB50 has been completely reworked and upgraded, technically as well as power-wise. The scope of utility was enhanced and diversified. The innovations include the option of mast-elongations, larger deckmounted engines, or mounting the rig on semi-trailer chassis.The RB 50 universal drililn rig enables each user to drill with the following methods, with borehole diameters of 4' (108 mm) to 47' (1200 mm) and drilling depths up to 1200 m.
The multipurpose drilling rig PRAKLA RB 50 is designed for different applications, e.g. drilling of water wells, mineral exploration, geothermal wells, geotechnical investigations and seismic drilling.
The equipment of RB 50 can be easily adapted to the specific requirements, because of its modular design. This drilling rig will be delivered either on modern off-road truck or on semi-trailer.

Drilling depth
- up to 1.200 m at 8.1/2 ‘’ drilling diameter
- up to 1.800 m for wire-line coring diameter PQ or similar

The maximum drilling depths depends on the geological conditions, the applied drilling methods and the drilling tools.

Applicable drilling methods
•    Direct mud circulation
•    Reverse Mud circulation (by Air Lift)
•    Down-the-hole (DTH) Hammer drilling
•    Auger drilling
•    Directional drilling
•    Wire-line Core drilling (optional)
•    Percussion core drilling (optional)


HYDRAULIC-SYSTEM operated by PTO of truck engine or by deck engine
MAST  
Max. Hook load capacity 500 kN
   - Type R1    Travel of Rotary head:          7,5 m
Casing installation length:     8,0 m
   - Type FM    Travel of Rotary head:          7,5 m
Casing installation length:    14,6 m
   - Type R2    Travel of Rotary head:          10,6 m
Casing installation length:    12,0 m
ROTARY HEAD  
Max. torque 31.580 Nm
Max. rotation speed 340 rpm
Inner diameter 150mm
HYDRAULIC CLAMPING DEVICE  
Max. clamping diameter 520mm
Max. free passage 900mm
WINCHES  
Main winch 95 kN in first layer
Auxiliary winch    20 kN, optional larger
Wire-line coring winch optional
COMPRESSOR  
Max. air flow 13,2 m3/min
Max. pressure:    14 bar (optional larger)
CENTRIFUGAL PUMP 3.200 l/min, 8 bar

Stock

Current Projects

  • Asarel- Medet JSC
    Asarel- Medet JSC
    Exploration and geotechnical drilling, Panagyurishte, Bulgaria
  • Thrace Resources
    Thrace Resources
    Exploration drilling,  Breznik, Bulgaria
  • Municipality of Madan
    Municipality of Madan
    Hydrogeological project , Madan, Bulgaria
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