Xi’an Chancemate Petroleum Mechanical Co.,Ltd

Cross-over sub

Product Name:

Cross-over sub

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Product Description

Cross-over sub

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
Fish Joint	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.