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Integral Heavy Weight Drill Pipe
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| Model No.︰ | HWDP |
| Brand Name︰ | TianHe |
| Country of Origin︰ | China |
| Minimum Order︰ | 1 pc |
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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(in) |
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 |
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Integral Spiral Heavy Weight Drill Pipe
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Integral spiral heavy weight drill pipe is to extend the central upset of heavy weight drill pipe and to cut spiral groove on heavy weight drill pipe.
Technical specifications and parameters
Size
mm(in) |
Pipe Body |
Tool Joint |
I.D.
(mm) |
Elevator upset
(mm) |
Elevator/slip groove O.D.
(mm) |
Spiral O.D.
(mm) |
Spiral depth
(mm) |
Connection |
O.D.
mm |
I.D.
mm |
| 88.9(3 1/2) |
54.0 |
92.1 |
88.9 |
101.6 |
9.5 |
NC38 |
120.6 |
54.0 |
| 114.3(4 1/2) |
69.8 |
117.5 |
114.3 |
127.0 |
12.7 |
NC46 |
158.8 |
69.8 |
| 127.0(5) |
76.2 |
130.2 |
127.0 |
139.7 |
12.7 |
NC50 |
165.1 |
76.2 |
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http://cid-48f2f7c30e8ef3dd.office.live.com/browse.aspx/Technical |
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Product Image
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