Crossover Sub

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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

DescriptionUpper junction block .Lower junction blockType
Kelly subKellyDrill pipe subType A or B
Drill pipe subDrill pipeDrill pipe subType A or B
Crossover subDrill pipeDrill collarType A or B
Drill collar subDrill collarDrill collarType A or B
Bit subDrill collarBitType A or B
Swivel subSwivel lower subKellyType C
Fish subKellyDrill pipe subType C
Fish subDrill pipeFishing toolType 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.