Detailed Product Description

 WTZ-50 drilling rig is a kind of new type drilling rig that developed to satisfy with requirement of drilling hole in complex area. The drilling rig is mounted on high off-road truck and take-off power from the chassis engine. It is suited to seismic prospect petroleum, coal in complex area like as beach, grovel, clay course.

Type:  All-hydraulic top head drive rotary drilling rig.

Applications: Geological findings, seismic exploration

Capacity:

Depth                                   50 m (Mud drilling)

                                           25m (Auger drilling)

Drilling methods:                   Mud/Auger drilling

Overall dimensions:

Length * Width * High           7719 *2380 *3300mm

             (Drilling states)        6544 *2380 *5675mm

Gross weight:                      7695 kg

Mast: Heavy duty all electric welded steel frame, stroke about 4000mm, two hydraulic cylinders for lifting and lowering.

Hydraulic rotary head: High quality cast-iron case, pinion-gear transmission, alloy treated steel shaft and gears mounted on bearings, oil bath lubrication. Power Swivel driven by hydraulic motor provide full controlled power and rotational speeds in clock wise and anti clock wise (Forward & Reverse)  with heavy duty seals to bear high pressures. The power swivel can be turn out definite angle to connect drilling pipe easily.

Max. torque                             2000 Nm

Max. speed                              180 rpm

Pull-down & pullup system: Driven by hydraulic motor in connection with chain and necessary sprocket.

Max. pull-up                             25 kN (2500 Kgs)

Max. pull-down                         25 kN (2500 Kgs)

Max. speed                              1.1 m/s

Hydraulic system: Piston type hydraulic pump

Rotation / pullup/pulldown system      17/8/12.5 MPa

Displacement                           160/80 L/min

Mud pump: Horizontal, double action duplex pump, made up of fluid and power ends, gear with eccentrics, connecting rods, crossheads, liners, pistons, rods, valve and valve seat, pulsation dampener, mud suction pipework.

Displacement:                          300 L/min

Working pressure:                     2.5 MPa

Water injection pump:

Displacement:                          40 L/780r/min

Working pressure:                     2.0~4.0 MPa

Drilling tools:

Water drilling pipe                    Φ60mm (OD) x3000 mm (L)

Auger drilling pipe                    Φ90mm (OD) x3000 mm (L)

Three-wing drag bit                   41/2" (114mm)

Auger drilling bit                       Φ90mm

Truck:

Model:                                      EQ1093F6D

Max. load weight                       5000kg

Overall dimensions (L*W*H)       6910x2470x2475mm

Axle base                                 3850mm

Wheel base Front wheel/ Rear wheel    1774/1800mm

Angle of approach                      42.5°

Angle of departure                      26°

Min turning diameter                   16.4m

Min. grounding clearance            260mm

Capacity specification

Max. speed                               94km/h

Max. climbable gradient             55°

Fuel consumption per 100km     19L

Fuel type                                 Diesel

Engine

Type:  Six-cylinder in-line, four stroke direct injection water cooling diesel engine with exhaust gas turbocharger.