Rig model

DTHR-600 Heavy Duty Drilling Rig

Rig model: DTHR-600 Heavy Duty Model, Top drive Rotary Cum DTH Rig is capable of drilling in different formations such as Hard Rock by DTH, Un consolidated / Alluvial formations using Air/Water/Foam flush by Rotary Method, Unconsolidated/Gravel/Boundary formations using UDEX/ Tubex tools up to a depth of 600 Meters, Under favorable drilling conditions. The following are the detailed specifications.

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TECHNICAL SPECIFICATION

Spec
Details

Model & Type DTH Drilling

DTHR 600, Top Head drive DTH cum ROTARY drilling Rig

DTH Drilling

Hole Dia 6”, 12” Up to 600 Meters depth and 14” (Over burden)

Rotary Drilling

Hole Dia 6”, 16” Up to 600 Meters depth and 18” (Over burden)

Carrier Truck Make

For the mounting of Rig, Air compressor and Mud pump Min 35 Ton SINO/ MAN OR any reputed make

Prime Mover

The system shall be powered by a separate on board diesel driven deck engine with suitable PTO arrangement.

Engine make

Cummins or any reputed make

Rated capacity

320 HP @ 1900 RPM OR Higher

Mast overall Length

11000 mm OR updated

Rotary Head travel

8500mm

Feed cylinder Size & stroke

Dia 160 mm x Dia 100mm x 2950mm stroke – 2 No’s.

Pull Back, Pull Down

43 Ton, 26 Ton

Rotary Head Assembly

Top Head Drive

Torque, Rotation Speed

893 Kg-m @ 150 RPM( with double motors)

Hydraulic Motors

1786 Kg-m with 75 rpm with 4 No’s hydraulic motors Note : Sliding provision shall be provided

Hydraulics

Max operating pressure

320 Kg/Cm2

Hydraulic Tank capacity

1000 Liters.

Filtration (Nom) – Return line

10/25 Microns

Oil Cooler

LHC-044 (Oleaer Make)

Major hydraulic items. 130cc variable displacement pump 4 nos (sauer danfoss Make, Denmark) OMV 500 Hydraulic motors.(sauer danfoss Make, Denmark) PVG-120/32 hydraulic valves (350 bar)-4 Nos (sauer danfoss Make, Denmark) Auxiliary valves- (Rexroth make)

Stabilizer

Model: Hydraulically operated Box type jacks

Cylinder bore diameter

125mm

Stroke

1000mm

No. Of Jacks

4 Nos( Box type).

Break out Wrench

Cylinder bore diameter

100mm

Stroke

300mm

Mast raising Cylinder

Cylinder bore diameter

125mm

Stroke

800mm

Qty

2 No’s

Water Injection Pump

Max. Flow

80 Liter/minute

Max. Pressure

70kg/cm2

Auxiliary Winch

Bare drum-Pull

31 Kn

Wire rope Dia

22 mm

Main Winch - Direct pull

75 Kn, Wire rope : 22 mm

Welding generator

Make

Dynamax or any reputed make

Capacity

400 AMPS

Mud Pump 7.5”x10”

Hydraulically driven duplex, double acting high pressure reciprocating 7.5”x10” Mud pump shall be provided for Mud Rotary Drilling.

Air Compressor

Make

Atlas cop co or any reputed make

Capacity

1200 CFM / 330 PSI OR higher

Above compressor shall be mounted on a separate Truck.

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