Cross-over sub
Product pictures of Cross-over sub
Crossover joint acts for conversion and connection and it is the basic component in downhole work. It is divided into drill string cross- over joint and tubing cross- over joint.There are A type (same diameter),B type (different diameter) and C type (levoform)
Specification of Drill String Cross-over Joint
Denotation |
Upper Connection Part |
Lower ConnectionPart |
型 式Type |
Kelly Cross-overJoint |
Kelly |
Drill pipe joint |
A or B |
Drill Pipe Joint |
Drill Pipe Joint |
Drill Pipe Joint |
A or B |
Crossover Joint |
Kelly |
Drill Collar |
A or B |
Drill CollarJoint |
Drill Collar |
Drill Collar |
A or B |
Bit Joint |
Drill Collar |
Bit |
A or B |
Swivel Joint |
Swivel Lower Joint |
Kelly |
C |
Fish Joint |
Kelly |
Drill Pipe Joint |
C |
Drill Pipe Joint |
Fishing Tool |
C |
Now we have 10 pieces 4 1/2” IF lower kelly valve in stock, send your requests to my email: sales@chancematedrilling.com , Me- Mr Mike will be here to give you the best service 24 hours online.
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