Direct Rotary Drilling Rig DEW DR 2500
DEW-DR 2500 is Direct Rotary drilling rig which is used only in Mud and sand area for 16" to 18" diameter up to 2500 feet ( 700 mtr ).
Direct Rotary Drilling Rig DEW DR 2500
| Depth: | 4 1/2" dia bore holes to a depth of 200mtr(600ft) using 3" drill rod |
|---|---|
| 6 1/2" and 8" dia in steps bore holes to a depth of 150mtr(500ft) using 3" drill rod | |
| 10" dia bore holes to a depth of 50mtr (150ft) using 4.5" drill rod | |
| Prime mover: | Through PTO drive from truck engine or seprate deck engine |
| Mast: | 8" 'C' channel structure |
| Max capacity- 8tons(17600lbs) | |
| Height - 4.5 mtr (15ft) | |
| Rod handling 3 mtr (10ft) | |
| Rod changer with auxillary winch: | Manually operated three rod changer with 2000kgs capacity pull up winch to carry drill pipes, hammer & other tools |
| Break out: | To open the drill joints hydraulic break out cylinder of 300mm stroke will be provided |
| Hydraulic system: | Hydraulic pressure : 211kg/cm2 (3000psi) |
| Pull up speed : 6.9 mtr / min (23ft / min) | |
| Pull up force : 3000kg (6600 lbs) | |
| Pull down force : 2000kg (4400 lbs) | |
| Pull down speed : 10.5 mtr/min (34ft / min) | |
| Reeving ration: | 1:02 |
| Rotary head: | Miximum torque 146kg-mtrs(12740 inch-lbs) |
| Rotary head speed: | 0 To 100 |
| Water injection pump: | 80lpm water pump driven by hydraulic motor |
| Optional attachment: | Hydraulic motor drive mud pump |
| Suitable compressor: | 450cfm@175psi; 600cfm@200psi ; 900cfm@200psi |
| Jack: | Four hydraulic leveling jack for proper levling drill point with seprate lever |
