Loading Port:China Main Port
Payment Terms:TT or LC
Min Order Qty:5 Pieces pc
Supply Capability:10000 Pieces per Year pc/month
1. cross over sub
2.API certificate
3.Type:A(straight), B(reduced section sub),C (left hand)
Product Description: The crossover sub converts and connects drill stem components, natural gas and geology drilling work. It is used to connect the upper drilling tools and lower drilling tools during drilling operations. three type, Type A,B,C. that is TypeA(straight), B(reduced section sub), C (left hand)
The Main Technical Specification of Type A,B,C Crossover Sub | ||||
Item | Description | Type | Upper connection |
Lower connection |
1 |
Kelly crossover sub | A or B | Kelly |
Drill pipe |
2 |
Drill pipe crossover sub | A or B | Drill pipe | Drill pipe |
3 |
Crossover sub
| A or B | Drill pipe | Drill collar |
4 |
Drill collar crossover sub | A or B | Drill collar | Drill collar |
5 |
Drill bit crossover sub | A or B | Drill collar | Drill bit |
6 |
Swivel crossover sub | C | Swivel lower sub | Kelly |
7 |
Fishing crossover sub | C | Kelly | Drill pipe |
C | Drill pipe | Fishing tool | ||
