Crossover Sub
Crossover Sub
The crossover sub is the basic component in downhole work. It is used to crossover from one connection size to another. Or as the disposable component used to extend the connection life of a more expensive drill stem member.
Types: drill string cross-over sub and tubing Cross-over sub
Size: 2-3/8“ to 20″
WhatsApp: +86 158 0546 5460
Specification
| Description | Upper junction block . | Lower junction block | Type |
| Kelly sub | Kelly | Drill pipe sub | Type A or B |
| Drill pipe sub | Drill pipe | Drill pipe sub | Type A or B |
| Crossover sub | Drill pipe | Drill collar | Type A or B |
| Drill collar sub | Drill collar | Drill collar | Type A or B |
| Bit sub | Drill collar | Bit | Type A or B |
| Swivel sub | Swivel lower sub | Kelly | Type C |
| Fish sub | Kelly | Drill pipe sub | Type C |
| Fish sub | Drill pipe | Fishing tool | Type C |
Crossover Sub types
We are Crossover Sub manufacturer and supplier.The main crossover sub can be divided into drill string cross-over sub and tubing Cross-over sub.Three basic types can be pffered.
A Pin (male) * Box (female); B Pin (male) * Pin (male); C Box (female) * Box (female)
And we can design and manufacture special types of subs to satisfy clients’ ideas or drawings .
A type is straight OD sub, B type is reduced section sub, C type is left hand.
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