petroleum cross-over sub
group nameDrilling Tools
-
Min Order1 piece
-
update timeMon, 08 Apr 2013 00:05:40 GMT
Paramtents
Processing Type Casting
Machine Type Drilling Equipment
Type crossover sub
Use Well Drilling
Certification API
Material AISI 4145H chromium-molybdenum steel
Packging & Delivery
Min Order1 piece
Briefing
1.API standard
2.Material: AISI 4145H chromium-molybdenum steel
Detailed
petroleum cross-over sub:
1.API standard
2.Material: AISI 4145H chromium-molybdenum steel
petroleum cross-over sub
- 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 | AB Type A or B | |
Drill pipe joint | Drill pipe joint | Drill pipe joint | AB Type A or B | |
Crossover joint | Kelly | Drill collar | AB Type A or B | |
Drill collar joint | Drill collar | Drill collar | AB Type A or B | |
Bit joint | Drill collar | Bit | AB Type A or B | |
Swivel joint | Swivel lower joint | Kelly | C Type C | |
Fish joint | Kelly | Drill pipe joint | C Type C | |
Drill pipe joint | Fishing tool | C Type |
