Core Barrel Diameter :  BQ/NQ/PQ series


Technical Specifications:

Diamond Core Drilling
Core Barrel DiameterBQ/NQ/PQ series
Depth330 feet / 100 meters
Core Diameter47.6mm
Drill Hole Diameter75.7mm
Angle of Drilling45° – 90°
Two Wheel DummyTrolley of 6 Ton Capacity.
Tyre9.00 X 16 PR
Prime MoverA separate Diesel Driven Deck Engine.
Engine capacity50 hp @ 1500 RPM
ApplicationAlluvial to Hard Soil Formation for Mineral Extraction, Soil Sampling, and Geo – Mineral resources survey etc.
MastSturdy structural channel mast structure electrically welded.
Mast Overall Length – 5,200mm
Rotary Head Travel – 3,500mm
Feed SystemFeed & Hoist using pulley, wire rope and hydraulic cylinder.
Feed Cylinder SizeØ100 mm
Stroke1750 mm
Max. Pull up force7,200kg-f
Max. Pull down force3,600kg-f
Reeving Ratio1:2
Maximum Pull up speed30m/min
Rotary HeadDual Speed Rotary Head Gear Box with variable Speed

 Stage – 1Stage – 2
Torque0 – 60 kg-m0 – 280 kg-m
Rotation Speed0 – 600 RPM0 – 150 RPM

Hydraulic System
Maximum Working Pressure210 kg/cm2
Capacity300 Liters
Triplex Water
Max. Flow RateMax. Flow Rate
Injection Pump
Max. Pressure40kg/cm2
Hydraulically Driven Triplex Water Injection pumps for injecting Water / Foam with necessary piping and flow control valves.
Mast Rising Cylinder
Cylinder SizeØ100 mm
Max. Pressure40kg/cm2
The System is provided with a mast rising Cylinder for raising & Lowering of the Mast.
Levelling Stabilizers
Cylinder SizeØ100 mm
Stroke700 mm
Foot mounted type hydraulic levelling jacks
The above jacks are provided with “reverse flow restricted valves” to ensure safe operation.
Dump Cylinder
Cylinder BoreØ100 mm
Stroke1250 mm
The drill rig is equipped with dumping cylinder for tilting of the Mast for angular drilling.
Wire Line Winch
Line Pull(Bare Drum)1,000 kgf
Max. Line Speed40 meters/min
Wire Diameter5mm
DriveHydraulic Motor
The Rig is provided with a hydraulic winch for Handling of Drill Pipes.
Main Winch
Line Pull(Bare Drum)3,000 kgf
Max. Line Speed20 meters/min
Wire Diameter16mm
DriveHydraulic Motor
The Rig is provided with a hydraulic winch for Handling of casing Pipes.