Direct Circulation Rotary Drilling Rigs

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Rated Capacity a) Drill Pipe Dia-mm.60 73 89 b) Minimum Hole Dia-mm145 152 203 c) Depth-Meters460 305 185 Casing Load-Kgs. 10,000Kgs. Using single sheave Travelling block Dead end at top Mast Construction Tubular steel, Electrically Welded Height 11Mts. Above rotary table Gross Load Capacity 15,000 Kgs. Hook Load Capacity 10,000 Kgs. With single sheave Travelling Block Raising and Lowering 2 Hydrualic Cylinder Crown Block 4 Sheave Plus 1 Catline Sheave Rotary Table Type Spiral Bevel Gear Oil Bath lubrication Opening 120mm Retraction 525mm Drive Drive through torque tube and disc type clutch Kelly 73mm OR 85.72mm Dia, 7.3 Mts. Long, 3 Fluted round kelly Pull Down (Optional) Type Through 2 Nos . Roller Chain & Hydraulic Motar With reducer Feed 7Mts. Force 5000 Kgs. Draw Works Barrel Dia. X Length Single line pull Bore drum Hoisting Drum 178 mm X 216 mm 5000Kgs Sand Reel 178 mm X 216 mm 5000Kgs Clutch 356mm, 2Plates Mechanical Type Breaks 420 mmX 100 mm Mechanical High Leverage Type Drive By Chain Trasmission Four/Five Speed Forword, One Speed Reverse. Sub Drive Case Suitable for mouting automotive gear box & to obtain hydraulic pump drive Hydraulics Pump fixed displacement vane type discharge & pressure 80lpm@ 70.3kg/cm2 Mud Pump Model CBG-150 Stroke and Liner Size 150 mm X 140 mm Disp.& Pressure/Drive 885LPM @17.79kg/cm2 / "V" Belts/Chain Clutch Clow Clutch OR 203 mm, 3 Plates Mechanical Levelling Jack 4 Mechanical Jack (optional hydraulic) Lighting From truck Battery OR Dynamo , optional separate lighting genrator Controls Conveniently located Prime Mover Truck mounted version all components driven by same truck engine through PTO skid/trailor mounted version all components driven by 100hp desiel engine. Mouting 4 X 2, 4 X 4, 6 X 4 Truck chasis Or Full / semi trailor mounted Optional Available Hydraulic break out, welding generator, lower rotary speed for DTH drilling.

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