JDMR - 2500 DIRECT ROTARY MUD DRILLING RIG

The JDMR 2500 is Truck Mounted Direct Mud Rotary Water Well Drilling Rig especially designed for water well drilling up to 2500 foot (750 Meters) for a drill diameter up to 17" in soft unconsolidated formation such as clay and sands. It is fitted with 20" drum rotary table with 7 272 Kg pull down force. The JDMR 2500 is very popular for deep water well drilling application for irrigation purpose in farms and for domestic water well drilling applications. The same rig can also be utilized for piling application by using Direct Mud Rotary Drilling Method.


TECHNICAL SPECIFICATIONS - JDMR - 2500 DIRECT ROTARY MUD DRILLING RIG
RATED CAPACITY • 14" Þ Hole Drilling - 2500 Foot using 3-½" Þ Drill Rods, 17" Þ Hole Drilling − 1500 Foot using 5½" Drill Rods, Drill Rod Length − 15' / 20', direct rotary mud circulation method.
CASING LOAD • 12 500 Kgs by using Single Sheave Travelling Block
• 25 000 Kgs by using Double Sheave Travelling Block
MAST • Construction − Heavy Duty electric welded tubular construction.
• Height − 46 Foot (14.0 Meter) high above ground level during drilling
• Gross Load Capacity − 41 000 Kgs. By using Double Sheave Travelling Block
• Raising & Lowering − By Hydraulic Cylinder − 02 No. with safety check valve
• Crown Block − 5 Sheaves + 1 Cat line Sheave / 6 Sheaves + 1 Cat Line Sheave
DRILL HEAD • Totally Enclosed Oil Bath type Rotary Head with Kelly Drive Bushing suitable for 4-⅛" Three Fluted Kelly
• Pull Down − 7 272 Kgs.
• Opening − 4-⅛" (104.7 mm)
• Clutch − Disc Type Friction Clutch
• Retraction − 21" (533 mm)
DRAW WORKS • 20" Hoisting and Sand Reel Double Drum
• Hoisting Drum − 7" (178 mm) Þ x 10-⅜" (263.5 mm), Single Line Pull − 7 272 Kgs.
• Sand Reel − 7" (178 mm) Þ x 10-⅜" (263.5 mm), Single Line Pull − 7 272 Kgs.
• Clutch − Multi Disc Friction Type
• Brake − High Leverage Mechanical, Single/Double on Drum
• Drive − Multi Link Roller Chain
HYDRAULIC SYSTEM • Pump − Fixed displacement, vane type pump
• Discharge & Pressure − 21 GPM (80 LPM) @ 1 500 psi (105 Kg/cm²)
• Hydraulic Control Valve − Rexroth SM-12 or Equivalent
PRIME MOVER • Deck Engine − 230 Hp (Other options are available)
RECIPROCATING PISTON PUMP • Type and Size − 10" X 7.5" Mechanically Driven Duplex, Double Acting Reciprocating Piston Pump
• Stroke Length − 250 mm
• Prime Mover − Pulley Driven / Chain Driven
• Pressure and Discharge − 19 Kg/cm², 1361 LPM
TRANSMISSION • 4 Forward & 1 Reverse
KELLY • 4-⅛" (104.7 mm) Þ x 28 Foot (8.53 Meter) long three fluted Kelly.
LEVELLING JACKS • Mechanical Screw − 4 Nos.
• Hydraulic Jack − 4 Nos. − 125 mm x 70 mm x 610 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 − 2518 − 6x4 Drive
• Torque − 550 Nm @ 1500-1700 RPM
• Wheel Base − 4902 mm
• Hp − 180 @ 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