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JDMR - 750 DIRECT ROTARY MUD DRILLING RIG

The JDMR 750 is a mounted Direct Mud Rotary Water Well Drilling Rig especially designed for shallow water well drilling up to 750 feet (230 Meters) for a drill diameter of up to 14" in soft unconsolidated formations such as clay and sands. It is fitted with 16" drum rotary table with 5 500 Kg pull down force. The same rig can also be mounted on the truck. The JDMR 750 is very popular for water well drilling applications for irrigation purposes in farms and domestic water well drilling applications. The same rig can also be utilized for piling applications by using the Direct Mud Rotary Drilling Method.

TECHNICAL SPECIFICATIONS - JDMR - 750 DIRECT ROTARY MUD DRILLING RIG
RATED CAPACITY • 14" Ø Hole Drilling up to 750 Foot using 3-½" Ø Drill Rods − 15 Foot (4.5 Meter) long, Direct Rotary Mud Circulation Method.
MAST • Drilling − Heavy Duty Electric Welded Tubular Drilling.
• Height − 35 Foot (10.67 Meter) high above ground level during drilling.
• Gross Load Capacity − 20,000 Kgs. By using Double Sheave Travelling Block
• Raising & Lowering − By Hydraulic Cylinder − 02 No.
• Crown Block − Sheaves
DRILL HEAD • Totally Enclosed Oil Bath type Rotary Head with Kelly Drive Bushing suitable for 3-⅜" / 4-⅛" Three Fluted Kelly
• Pull Down − 5,500 Kgs.
• Opening − 3-⅜" (85.7 mm) / 4-⅛" (104.7 mm)
• Retraction − 21" (533 mm)
DRAW WORKS • 18" Hoisting and Sand Reel Double Drum
• Hoisting Drum − 7" (178 mm) Ø x 10-⅜" (263.5 mm), Single Line Pull − 5,500 Kgs.
• Sand Reel − 7" (178 mm) Ø x 10-⅜" (263.5 mm), Single Line Pull − 5,500 Kgs.
• Clutch − Multi Disc Friction Type
• Brake − High Leverage Mechanical
• Drive − Multi Link Roller Chain
HYDRAULIC SYSTEM • Pump − Fixed displacement, vane type
• Discharge & Pressure − 21 GPM (80 LPM) @ 1,500 psi (105 Kg/cm²)
• Hydraulic Control Valve − Rexroth SM-12 or Equivalent
PRIME MOVER • For Trailer Mounted Rig − Deck Engine − 110 Hp (Other options are available)
• For Truck − Deck Engine − ALU 400 − 110 Hp (Other options are available)
CENTRIFUGAL PUMP • Size − 4" x 4"
• RPM − 1500
• Prime Mover − Pulley Drive connected with the main engine
• Discharge in LPS − 14 Meter − 28 LPS, Max 35 Meter − 3 LPS
• Option Available for Reciprocating Piston Pump − 6 x 6, Stroke − 150 mm, Working Pressure − 17.46 Kg / cm² - 676 LPM
TRANSMISSION • 4 Forward & 1 Reverse
KELLY • 3-⅜" (85.7 mm) Ø / 4-⅛" (104.7 mm) Ø - 20 Foot long three fluted Kelly.
LEVELLING JACKS • Mechanical Screw − 4 Nos.
• Hydraulic Jack − 4 Nos. 125 mm x 70 mm x 610 mm Stroke
CONTROL • All Control Grouped together at the Left Side of the Driller's Station, near Rotary Table
LIGHTING • From Engine Battery / Dynamo (Optional & separate 2.5 KVA Generator)
RIG CARRIER • Make − Ashok Leyland
• Model − 1616 − 6x4 Drive
• Torque − 550 Nm @ 1500-1700 RPM
• Wheel Base − 4902 mm
• Hp − 160 @ 2400 RPM
• Complete with Driver Cabin, Platform, Base Frame to Mount Drill Module and Mud Pump
OTHER ATTACHMENTS • Water Swivel − Heavy Duty Ball Bearing Type
• Tool Box
• Main Base Water Deflector Shield
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