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Specifications
1. API standard.2. ISO certificate.
3. Register with Sinopec.
4. Technical service.
5. Professional service for export.
Brief introdution of our company
Shengli Oilfield Ruite Machinery Manufacturing Co.,Ltd and our company is specialized in the manufacture of drill pipe, casing pipe, tubing pipe, wellhead equipment. Such as Christmas tree, X-Max tree, Casing head, Tubing head, Flange, Check valve, Globe valve, Ball valve, Shut-off valve, Hose, Annular BOP, Single, double Ram BOP. On the other hand, our company is belongs to Shengli oil field, we can dealing with other equipment with our partner, drilling rig, mud pump and spare parts, pumping unit and spare part, drill pipe, casing, drill collar, drill bits, cementing equipment, solid control equipment, drilling tools, slip, elevator, tongs, instrument, etc.We get API 6A,API 16C,API6D certification, ISO9001quality control certificate, ISO14001 environmental management system, GB/T28001 Health and Safety Management System Certification.
Kelly pipe Specification as belows:
Size in | Upper box connection | Lower pin connection | ID mm | Driving section mm | |||||||||
Type(LH) | OD mm | Thread | Four | Six | Cross flat | For square kelly | Cross corner for hexa kelly | ||||||
Std | Optional | Std | Optional | Four | OD | Six | OD | ||||||
2 1/2 | 6 5/8REG | 4 1/2REG | 196.8 | 146.0 | NC26 | 85.7 |
|
| 31.8 |
| 63.5 | 83.3 |
|
3 | 6 5/8REG | 4 1/2REG | 196.8 | 146.0 | NC31 | 104.8 | NC26 | 85.7 | 44.4 | 31.8 | 76.2 | 100.0 | 85.7 |
3 1/2 | 6 5/8REG | 4 1/2REG | 196.8 | 146.0 | NC38 | 120.6 | NC31 | 104.8 | 57.2 | 44.4 | 88.9 | 115.1 | 100.8 |
4 1/4 | 6 5/8REG | 4 1/2REG | 196.8 | 146.0 | NC46 | 158.8 | NC38 | 120.6 | 71.4 | 57.2 | 108.0 | 141.3 | 122.2 |
6 5/8REG | 4 1/2REG | 196.8 | 146.0 | NC50 | 161.9 | NC38 | 120.6 | 71.4 | 57.2 | 108.0 | 141.3 | 122.2 | |
5 1/4 | 6 5/8REG |
| 196.8 |
| 5 1/2FH | 177.8 | NC46 | 158.8 | 82.6 | 76.2 | 133.3 | 175.4 | 151.6 |
6 5/8REG |
| 196.8 |
| NC56 | 177.8 | NC50 | 161.9 | 82.6 | 82.6 | 133.3 | 175.4 | 151.6 | |
6 | 6 5/8REG |
| 196.8 |
|
|
| 5 1/2FH | 177.8 |
| 88.9 | 152.4 |
| 173 |
6 5/8REG |
| 196.8 |
|
|
| NC56 | 177.8 |
| 88.9 | 152.4 |
| 173 | |
Pictures of our company
Certificate of our company
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