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Description
Heavy Weight Drill Pipe (HWDP)
Heavy Weight Drill Pipe (HWDP) is an intermediate weight drill stem component which is used in conjunction with the drill pipes and drill collars.
Specification List
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 | 4 3/4 |
