Specifications
1.Standard: API 7-12.AISI 4142H-4145H modified structural alloy steel
3.OD:3 1/2-6 5/8
4.Strict quality assurance system
Integral Spiral Heavy Weight Drill Pipe
Product Description
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.
Product types and specifications:
Size | Pipe Body | Tool Joint | ||||||
I. D. | Elevator upset | Elevator/slip groove O. D. | Spiral O. D. | Spiral depth | Connection | O. D. | I. D. | |
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 |
