Heavy Weight Drill Pipe (short for HWDP) is an inter- mediate weight drill stem component which is used in conjunction with the drill pipe and drill collars, ShineNor HWDP is available in standard, spiral and non-magnetic designs. In some applications, heavy-weight also can be used instead of the drill collars.
Specification
Sizo(in) | O.D.(in) | I.D.(in) | Tool joint O.D.(in) | Tool joint I.D.(in) | Connection | Max.clcvator diameter(in) | Contral 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 6/16 | ||||||
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 1/4 | 4 1/4 | ||||||
5 | 5 | 4 3/4 |