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- Contact Person : Ms. bai Sophia
- Company Name : Tianhe Oil Group Huifeng Petroleum Equipment Co., Ltd.
- Tel : 0086-0453-6558966
- Fax : 0086-0453-5979992
- Address : Heilongjiang,MuDanjiang,NO.43,West Diming Street,Mudanjiang City,Heilongjiang Province of China.
- Country/Region : China
- Zip : 157011
Kellys
Product Detailed
Related Categories:Mining Machinery Parts
Kellies are the driving section of whole drill stem. Kellies are available with square kelly and hexagonal Kelly. TIANHE brand
Kellies are the driving section of whole drill stem. Kellies are available with square kelly and hexagonal Kelly. TIANHE brand Kellies are manufactured strictly from API Spec7-1 and SY/T6509-2000 standard. Technical specification and parameters
| Size | Lengthin | Upper box connection | Lower pin connection | I.D. | Driving section | |||||||
| mm | in | Type(LH) | O.D. | Thread | O.D. | Cross flat | For square kelly | Cross corner for hexa kelly | ||||
| Std | optional | Std | optional | |||||||||
| 63.5 | 2 1/2 | 12.19 | 6 5/8REG | 4 1/2REG | 196.8 | 146.0 | NC26 | 85.7 | 31.8 | 63.5 | 83.3 | |
| 76.2 | 3 | 12.19 | 6 5/8REG | 4 1/2REG | 196.8 | 146.0 | NC31 | 104.8 | 44.4 | 76.2 | 100.0 | 85.7 |
| 88.9 | 3 1/2 | 12.19 | 6 5/8REG | 4 1/2REG | 196.8 | 146.0 | NC38 | 120.6 | 57.2 | 88.9 | 115.1 | 100.8 |
| 108.0 | 4 1/4 | 12.9 | 6 5/8REG | 4 1/2REG | 196.8 | 146.0 | NC46 | 158.8 | 71.4 | 108.0 | 141.3 | 122.2 |
| 6 5/8REG | 4 1/2REG | 196.8 | 146.0 | NC50 | 161.9 | 71.4 | 108.0 | 141.3 | 122.2 | |||
| 133.4 | 5 1/4 | 12.9 | 6 5/8REG | 196.8 | 5 1/2FH | 177.8 | 82.6 | 133.3 | 175.4 | 151.6 | ||
| 6 5/8REG | 196.8 | NC56 | 177.8 | 82.6 | 133.3 | 175.4 | 151.6 | |||||
Kellys
