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Land-based drilling rigs
Digitally-controled variable-frequency AC drive drilling rig ZJ40DBS

Beyond drilling rig, trailer structures for mast, drawworks, utilized pump, generator house and solids control system

Technical parameters

1. nominal range of drill depth: 4000m (4-1/2"DP);

2. max. load of hook (10 lines): 2250kN;

3. max. input power of DW: 1000kW;

4. max. lines of traveling system (along the line): 10 lines;

5. diameter of drilling wireline: ?32mm;

6. number×power of mud pump: 2×1600HP;

7. nominal diameter of RT opening: ?698.5mm/(27-1/2");

8. effective height of mast: 43m;

9. height of drill floor: 6.7m;

10. area of drill floor: 9.11m×9.22m;

11. clear height from bottom of RT beam to ground: 5.5m;

12. number and power of main generator set: 3×1200kW;

13. number and power of auxiliary generator set: 1×455kW;

14. drilling fluid manifold: 4"×35MPa;

15. total capacity of air tank: 2×2m3 +2×1m3;

16. total capacity of mud tank: 291m3.

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