Heavy Weight Drill Pipe （HWDP）
Product Introduction：
Integral heavy weight drill pipe is made from AISI 4142H-4145H alloy structural steel. The manufacturing technique strictly performs SY/T5146-2006 and API SPEC 7-1 standards.
Technical Parameters for Heavy Weight Drill Pipe：
|
Size |
Pipe body |
Tool joint |
Single quality |
|||||
|
O.D. |
I.D. |
Upset size |
Thread type |
O.D. |
I.D. |
|||
|
Central |
End |
|||||||
|
3 1/2 |
88.9 |
57.15 |
101.6 |
98.4 |
NC38 |
120.65 |
57.15 |
300 |
|
3 1/2 |
88.9 |
52.39 |
101.6 |
98.4 |
NC38 |
127 |
52.39 |
370 |
|
4 |
101.6 |
65.09 |
114.3 |
106.36 |
NC40 |
65.09 |
65.09 |
390 |
|
4 |
101.6 |
63.5 |
114.3 |
106.36 |
NC40 |
63.5 |
63.5 |
460 |
|
4 1/2 |
114.3 |
68.26 |
127 |
119.06 |
NC46 |
68.26 |
68.26 |
530 |
|
4 1/2 |
114.3 |
69.85 |
127 |
119.06 |
NC46 |
69.85 |
69.85 |
558 |
|
4 1/2 |
114.3 |
71.44 |
127 |
119.06 |
NC46 |
71.44 |
71.44 |
580 |
|
5 |
127 |
76.2 |
139.7 |
130.2 |
NC50 |
76.2 |
76.2 |
672 |
|
5 1/2 |
139.7 |
92.1 |
152.4 |
144.5 |
5 1/2FH |
92.1 |
92.1 |
776 |
|
6 5/8 |
168.3 |
114.3 |
184.2 |
176.2 |
6 5/8FH |
144.3 |
144.3 |
964 |
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