Heavy Weight Drill Pipe Specification
| Integral HWDP Size |
Outside Diameter |
Inside Diameter(E) |
Tool Joint |
Pipe Body |
| Type |
OD |
Int.-Ext.Thread |
Central Upset Parameter |
| mm |
in |
mm |
in |
mm |
in |
Shoulder Bevel |
Central D |
End B |
| DF mm |
mm |
mm |
|
Type I (Length:9300mm/Piece) |
| ZH-JZ-6 5/8 FH-I |
168.3 |
6 5/8 |
114.3 |
4 1/2 |
6 5/8FH |
209.6 |
8 1/4 |
195.7 |
184.2 |
176.21 |
| ZH-JZ55-5 1/2FH-I |
139.7 |
5 1/2 |
92.1 |
3 5/8 |
5 1/2FH |
177.8 |
7 |
170.7 |
152.4 |
144.5 |
| ZH-JZ50-NC50-I |
127 |
5 |
76.2 |
3 |
NC50 |
168.3 |
6 5/8 |
154 |
139.7 |
130.2 |
| ZH-JZ45-NC46-I |
114.3 |
4 1/2 |
71.4 |
2 13/16 |
NC46 |
158.8 |
6 1/4 |
145.3 |
127 |
117.5 |
| ZH-JZ35-NC38-I |
88.9 |
3 1/2 |
52.39 |
2 1/16 |
NC38 |
120.7 |
4 3/4 |
116.3 |
101.6 |
101.6 |
|
Type II(Length:13500mm/Piece) |
| ZH-JZ50-NC50-II |
127.O |
5 |
76.2 |
3 |
NC50 |
168.3 |
6 5/8 |
154 |
139.7 |
130.2 |
| ZH-JZ45-NC46-I |
114.3 |
4 1/2 |
71.4 |
2 13/16 |
NC46 |
158.8 |
6 1/4 |
145.3 |
127 |
117.5 | |
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