- 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
Heavy Weight Drill Pipes
01 Design & working procedure Conform to the requirment of API Spec
02 Non-API standard type of drill collars are also availible as per client'request
03 Cold-rolled thread roots
04low alloy steel as material applied
05 Integral forging, no welds.
06 hardbanding can be added as per clients request
Size | Outside Diameter | ID | Tool joint O.D. | Tool joint I.D. | Thread Type | Max.elevator diameter | Central upset dia | Min drift dia.size |
3 1/2 | 3 1/2 | 2 1/4 | 4 3/4(4 7/8,5) | 2 1/4 | NC38 | 3 7/8 | 4 | 2 |
2 1/16 | 2 1/16 | 2 13/16 | ||||||
4 | 4 | 2 1/2 | 5 1/4 | 2 1/2 | NC40 | 4 3/16 | 4 1/2 | 2 1/4 |
2 9/16 | 2 9/16 | 2 5/16 | ||||||
4 1/2 | 4 1/2 | 2 11/16 | 6 1/4 | 2 11/16 | NC46 | 4 11/16 | 5 | 2 17/16 |
2 3/4 | 2 3/4 | 2 1/2 | ||||||
2 13/16 | 2 13/16 | 2 9/16 | ||||||
5 | 5 | 3 | 6 5/8 | 3 | NC50 | 5 1/8 | 5 1/2 | 2 3/4 |
5 1/2 | 5 1/2 | 3 1/4 | 7(7 1/4,7 1/2) | 3 1/4 | 5 1/2FH | 5 11/16 | 6 | 3 |
3 3/8 | 3 3/8 | 3 1/8 | ||||||
3 7/8 | 3 7/8 | 3 5/8 | ||||||
4 | 4 | 3 3/4 | ||||||
6 5/8 | 6 5/8 | 4 | 8(8 1/4,8 1/2) | 4 | 6 5/8FH | 6 15/16 | 7 1/8 | 3 3/4 |
4 1/2 | 4 1/2 | 4 1/4 | ||||||
5 | 5 | 4 3/4 |
Heavy Weight Drill Pipes