Inwell Drilling Rigs

Model: PDTH-100(INWELL RIG)
DRILLING AT NALGONDA – TELENGANA STATE :

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Description

Make:PRL
Model & TypePDTH-100, DTH drilling rig
Capacity : DTH Drilling
Drill hole Diameter4 « inch (114.3 mm)
Drill Rod Diameter3 inch (76 mm)
Drill Rod Length5 feet (1.5 meter)
Max Depth100 meters
CarrierSkid for the mounting of drill rig
Prime MoverThe system shall be powered using diesel driven engine with the following capacity.
Engine makeAshok Leyland or Kirloskar or any other reputed make
Rated capacity16 hp @ 1500 Rpm or equivalent
Mounting StructureTripod base with 3-Mechanical Jacks.
Mast AssemblySturdy structural channel mast structure electrically welded.
Mast overall length2,500 mm
Rotary head travel1,600 mm
Centralize opening8 inch (204 mm)
Feed SystemFeed & Hoist actuation: Pulley, Wire rope & Hydraulic cylinder.
Feed cylinder Size & strokeDia 80 mm x Dia 50 mm x 800 mm long.
Pull Up3,500 Kg-f
Pull Down2,100 Kg-f
Hoisting speed(up) 12.5 meter/ minute
Reeving Ratio1:02
Having adequate travel to handle drill pipes and casing pipes up to 1.5 meter Long.
Feed system consists of hold back arrangement to control limit weight on bit, rapid and slow feed arrangement to suit variable ground condition.
Rotary Head Assembly (Top HeadDrive)Fabricated steel body
Torque146 kg-m
Rotation SpeedSpindle rpm: 0-25 rpm
The RH unit travels on mast assembly to absorb sudden shock loads encountered during drilling Operation.
HydraulicsThe entire equipment is designed to operate at high temperature encountered in the normal weather conditions.
Open loop circuit with variable displacement piston pumps and proportional valves for feed and rotation. Diverted valves for auxiliary drives.
Max operating pressure140 kg/cmý
Hydraulic Tank capacity200 liters.
Filtration (Nom) ? Return line10/25 microns
Cooling: Fin type oil to air.
Control PanelAll necessary control and monitoring valves and gauges are installed at control panel located nearer to drilling point for driller convenience
Auxiliary
Stabilizer (3 No?s)
ModelMechanical Screw Jacks.
Water Injection PumpHydraulically operated triplex water injection pump, for injecting water/foam with necessary piping and flow control valves
Max. Flow36 liter/minute
Max. Pressure40 kg/cmý
Air compressorTrolley Mounted type
MakeELGI/Atlas Capco or Equivalent reputed
Capacity450 cfm @ 150 psi
Airline LubricatorAir-line lubricator will be used for DTH Hammer lubrication.
MakeSpinc or any reputed make
Capacity450 cfm @ 150 psi

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