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Integral Heavy Weight Drill Pipe
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| Model No.︰ | - |
| Brand Name︰ | TianHe |
| Country of Origin︰ | China |
| Unit Price︰ | - |
| Minimum Order︰ | - |
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Integral Heavy Weight Drill Pipe
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The wall thickness of heavy weight drill pipe is between drill pipe and drill collar, its structure is similar with drill pipe. It is made from premium alloyed steel. Its both tool joints and middle upset are welded hardbands. Technical parameters meet with API Spec7-1 Standard.
Technical specifications and parameters
| Size |
O.D. (in) |
I.D. (in) |
Tool Joint O.D. (in) |
Tool Joint I.D. (in) |
Connection |
Max.elevator diameter (in) |
Central upset dia. (in) |
Min.drift dia.size(in) |
| 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 |
1 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 7/16 |
| 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 1/2 FH |
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 5/8 FH |
6 15/16 |
7 1/8 |
3 3/4 |
| 4 1/2 |
4 1/2 |
4 1/4 |
| 5 |
5 |
4 3/4 |
All technical specifications and parameters only provides for reference. |
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Product Image
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