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DC Electric Drilling Rig

Main Features
1. Our DC electric drilling rig allows for stepless speed regulation on drawworks, rotary table and mud pump, thus enhancing drilling performance.

2. Derrick, base and platform equipment on this drilling machinery are all installed at lower place and lifted up by drawworks in a holistic approach.

3. Optional digital control is available for automatic drilling system. As a result, driller are able to make in-time and necessary adjustments on drilling parameters via touch screen, so as to offer optimized performance, reduced labor work and ensured efficiency.

4. Our drilling equipment is endowed with the capability of displaying, storing, regulation and remote management of key drilling parameters.

5000m DC Electric Drilling Rig

Specification
Nominal Drilling Depth 5000m (114mm Drilling Rod) Substructure Type Telescoping
4500m (127mm Drilling Rod) Substructure height and clear height under RT beam 9m, 7.62m
Max. Hook Load 3150kN Mast type and effective height K-Shaped, 45m
Rope System of Travelling System 6×7, Parallel Transmission Mode AC-SCR-DC
Rated Power of Drawworks 1100kW (1500hp) Main Generator Quantity/Power 3×1200kW
Gear Number of Drawworks 4F+4R Quantity and power of VF motor 1×292kW
Diameter of Drilling Wire Rope Φ35mm Main Motor Quantity/Power 7×800kW (DC) + 1×45kW (Inverter-Duty)
Opening Diameter of Rotary Table 952.5mm (37 1/2″) High Pressure Mud Manifold Φ102mm (Drift Diameter) × 35MPa
Gear Number of Rotary Table 2F+2R Effective mud volume of solid control system 320m3
Quantity and Power of Drilling Pump 2×1600hp

7000m DC Electric Drilling Rig

Specification
Nominal Drilling Depth 7000m (114mm Drilling Rod) Substructure Type Slingshot
6000m (127mm Drilling Rod) Substructure height and clear height under RT beam 9m, 7.62m
Max. Hook Load 4500kN Mast type and effective height K-Shaped, 45m
Rope System of Travelling System 6×7, Parallel Transmission Mode AC-SCR-DC
Rated Power of Drawworks 1470kW (2000hp)
(1490kW)
Main Generator Quantity/Power 4×1200kW
Gear Number of Drawworks 4F+4R, Stepless Regulation Quantity and power of VF motor 1×292kW
Diameter of Drilling Wire Rope Φ38mm DC Motor Quantity/Power 9×800kW
Opening Diameter of Rotary Table 952.5mm (37 1/2″) High Pressure Mud Manifold Φ102mm (Drift Diameter) × 35MPa
Gear Number of Rotary Table 1 Gear, Stepless Regulation 2 Gears, Stepless Regulation Effective mud volume of solid control system 430m3
Quantity and Power of Drilling Pump 3×1600hp
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