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API Standard 450/500 Tons Top Drive Drilling Rig
1) Payment ?
We can send you our bank account information after the contract is made. By T/T , L/C etc.
2) What is the MOQ?
Small trial order is acceptable, like 1 piece, 2 pieces.
3) Quality?
Yes, design and manufacture more strictly than API.
4) How to transport product ?
By sea from Shanghai or Tianjin port or as request.
5)Do you accept the OEM?
Yes,we can offer you the Canrig,Varco,Halliburton,Schlumberger brand top drive.
1.Production Description:
We supply a full line of AC electric top drives from 250 to 1,000 tons. Our model TD-250AC top drive is specifically designed for mobile drilling rigs. We know that short lead time is important for the drilling contractors. Most of our top drives can be delivered to the customers in a timely manner so that their drilling needs are met in time.
Drilling efficiency and safety are our primary objectives. The use of a top drive system provides the operator substantial benefits over traditional Kelly drilling.
• Drilling with 90 ft triple stands means fewer drill pipe connections, decreasing drilling time by up to 30%.
• Greater control of directional drilling tools provides quicker tool orientation.
• Reaming with triple drill pipe lengths leads to faster overall reaming.
• Ability to circulate mud and rotate while tripping reduces the risks of stuck drill pipe.
• Accurate tool joint make-up extends the life of the drill pipe.
• Ability to stab and close IBOP at any time.
• Fewer connections and no Kelly bushing at the floor means safer, more efficient drill floors.
2.The Details:
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Item | Metric | British |
| 4,500 kN | 500 tons(US) |
Rated Load Capacities | ||
| 7,000 m (114 mm Drill Pipe) | |
Rated Drilling Depth | ||
| 600 VAC / 50 HZ | |
Drive Mode | ||
| 350 kW ×2 | 470 HP ×2 |
Rated Power | ||
| 55 kN.m | 40,500 lbf.ft |
Drilling Torque (continuous) | ||
| 82 kN.m | 60,480 lbf.ft |
Max.Torque of Break Out | ||
| 87-216 mm | 3-1/2~6-5/8 in. |
Backup Wrench Range | ||
Hydraulic System Working Pressure | 13 MPa | 1,850 psi |
| 75 mm | 3 in |
Mud Circulating Diameter | ||
| 35 Mpa | 500 psi |
Mud Circulating Pressure | ||
| 5.6 m | 18.3 ft |
Main Body Height | ||
| 1.7 m | 5.5 ft |
Main Body Width | ||
| 967 mm | 3.17 ft |
Distance Between Rail Centre and the Well | ||
| 0~120 hz | |
Frequency Range | ||
| 0~180 rpm | |
Rotary speed Range | ||
| 150% | |
Over Load Capacity of Zero Rotary Speed | ||
| -45~60 ℃ | |
Working ambient Temperature | ||

3.Product Pictures:




4.Packing & Shipping:



5.our Services:
Before sale: Reasonable solution based on the customer requirement.
Order service: Fax contract and transfer contract is available .
After sale: 1 year quality warranty and training of installing and debugging for free.
Fund service: Inner customer.48 hours arrive below 1000 km .72 hours arrive over 1000kw.
Foreign customer: We will arrived the destination as soon as possible .
Parts service: Every product parts has the stock to supply customer as soon as possible.


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