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PRODUCT
OD: | 89mm ( 3.5'' inch) thread drill pipe |
Connection: | 121mm |
Thread: | NC38 |
Wall thickness: | 9.5mm/10mm |
Length: | R1,R2,R3 or as your request |
Pipe body material: | High quality alloy seamless pipe of G105 |
Tool joint material: | 35CrMo/ 4137H |
Thread treatment: | Phosphorization or copper plating |
Yield strength: | Min 724 Mpa |
Tensile strength: | Min 793 Mpa |
Safe drilling depth: | Within 1,800 meters |
Suitable: | water well, geothermal well, gas well |
Strictly according to API 5DP standard |
Friction Welded And Thin Buckle Drill pipe:
1.OCTG selection,rod end upsetting meets API 5D standard.
2.Thicker tube transfer of heat treatment.
3.Tool joint fored,controlled atmosphere heat treatment,up to API SPEC-7-1 standard.
4.Welding area using thermo-mechanical treatment, up to API SPEC-7 standard.
5.The thread is reverse, apply to salvage tool.