JDMR - 300 DIRECT MUD ROTARY DRILLING RIG

The JDMR 300 is Trailer Mounted Direct Mud Rotary Water Well Drilling Rig especially designed for shallow water well drilling up to 300 foot (100 Meters) for a drill diameter up to 12" in soft unconsolidated formation such as clay and sands. It is fitted with 12" drum rotary table with 3 000 Kg pull down force. The JDMR 300 is trailer mounted and designed especially to carry or move the rig on narrow passages or narrow roads. The same rig can be mounted on mini truck also. The JDMR 300 is very popular for slim hole drilling for hand pump well drilling as well as shallow well drilling for domestic water well drilling application.


TECHNICAL SPECIFICATIONS - JDMR - 300 DIRECT MUD ROTARY DRILLING RIG
RATED CAPACITY • 12" Þ Hole drilling - 300 Feet using 2?" Þ Drill Rods − 10 Foot (3 Meter) Long, Direct Rotary Mud Circulation Method.
MAST • Construction − Heavy Duty Electric Welded Tubular Construction
• Height − 27 Foot (8.23 Meter)
• Gross Load Capacity − 5 000 Kgs. By using Single Sheave Travelling Block
• Raising & Lowering − By Hydraulic Cylinder − 01 No.
DRILL HEAD • Totally Enclosed Oil Bath Type Rotary Head with Kelly Drive Bushing suitable for 3" Square Hollow Kelly
• Pull Down − 3 000 Kgs.
• Opening − 3" (76.2 mm)
DRAW WORKS • 12" Hoisting and Sand Reel Double Drum
• Hoisting Drum − 113 mm Þ x 154 mm
• Sand Reel Drum − 113 mm Þ x 154 mm
• Clutch − Disc Type Friction Clutch
• Brake − High Leverage Mechanical
• Drive − Roller Chain
PRIME MOVER • Tata -407 Diesel Engine
• Engine − 498 Turbo Intercooled
• Cylinders − 4
• Clutch − 280 mm
• Fuel Tank Capacity − 150 Liters
• Horse Power − 55.2 KW @ 3050 RPM
CENTRIFUGAL PUMP • Size − 3" x 3"
• RPM − 1500
• Prime Mover − Pulley Drive connected with the main engine
• Discharge in LPS − 10 Meter − 23 LPS, Max 17 Meter − 11 LPS
TRANSMISSION • 4 Forward & 1 Reverse
KELLY • 3" Square Pipe Kelly
LEVELLING JACKS • Mechanical Screw − 4 Nos.
LIGHTING • From Engine Battery
TRAILER DIMENSIONS • Chassis Dimensions − Length 5.5 Meter x Width − 1.83 Meter x Height − 3.28 Meter (Mast Down)
• Trailer Axle − 3"
• Tire − 7.50 x 16 − 2 Nos.
• Suitable trailer hook to fix at the tractor end
• Option of rig mounting on mini truck is also available
OTHER ATTACHMENTS • Pipe Rack for Drill Rods
• Tool Box
• Water Swivel − Heavy Duty Ball Bearing Type
• Main Base Water Deflector Shield