Chengdu COBRA Trading Co., Ltd.
Add.: No. 323, Shi Ji Avenue, Economic Development Zone, Chongzhou, Chengdu City, Sichuan Province
The compound electric drilling rig is also known as electromechanical rig．
1. We utilize mechanical transmission system for main parts of this compound electric drilling rig, so as to provide easy maintenance and control, as well as exceptional price/performance ratio.
2. Drilling power of this compound rig is supplied by 3 diesel engines featuring belt compound solution, whereby our drilling machine is renowned for minimized cost and noise generation.
3. Drawworks is installed at lower place for being readily deployed. Moreover, main brake for the drawworks on this compound electric drilling rig is hydraulic disc brake, thus offering large torque and reliable performance.Specification
|Nominal Drilling Depth||4000m (114mm Drilling Rod)||Quantity and Power of Drilling Pump||2×1300hp|
|3200m (127mm Drilling Rod)||Substructure Type||Telescoping|
|Max. Hook Load||2250kN||Substructure height and clear height under RT beam||7.5m, 6.3m|
|Rope System of Travelling System||5×6, Parallel||Mast type and effective height||K-Shaped, 43m|
|Rated Power of Drawworks|| 735kW (745kW)
|Transmission Mode||Hydraulic Transmission + Belt Compound|
|Gear Number of Drawworks||4F+2R||Main Diesel Engine Model/Power||3×810kW|
|Diameter of Drilling Wire Rope||Φ32mm||Quantity and power of VF motor||2×400kW|
|Opening Diameter of Rotary Table||698.5mm (27 1/2″)||High Pressure Mud Manifold||Φ102mm (Drift Diameter) × 35MPa|
|Gear Number of Rotary Table||4F+2R||Effective mud volume of solid control system||260m3|