API 7-1 Standard Drilling Crossover Sub/pup joint
Drill Bit Sub Drilling Tool Well Drilling Pup Joint for Drill Pipe
- It is divided into drill string crossover and tubing Crossover.
- Drill string Cross-over is divided into type A, type B and type C.
|Denotation||Top junction block||Lower junction block||Type|
|Kelly joint||Kelly||Drill pipe joint||A or B|
|Kelly joint||Drill pipe joint||Drill pipe joint||A or B|
|Drill pipe joint||Kelly||Drill collar||A or B|
|Crossover joint||Drill collar||Drill collar||A or B|
|Bit joint||Drill collar||Bit||A or B|
|Swivel joint||Swivel lower joint||Kelly||Type C|
|Fish joint||Kelly||Drill pipe joint||Type C|
|Drill pipe joint||Fishing tool||Type C|
|O.D. Range|| Min. Yield
| Min. Tensile
|Elongation Min.|| Min. Brinell
|7 THRU 10||690Mpa||930Mpa||13%||277|
Drill pipe joint is an important connecting component of petroleum drilling pipe drill, which is widely used in oil drillingindustry.
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• Special medium frequency heat treatment
• Meet the requirements of API 5DP
Specification of Drill pipe joint API 5DP pup joint for drill pipe Connection of drill pipe.
1.High quality products-Drill pipe tool joint welding manufacturer drill pipe joint
4.Perfect after-sale services