Drill Collar Joint API
USD $99 - $499 /Piece
Min.Order:1 Piece
Dongying Kangyu Petroleum Engineering Technology Service Co., Ltd.
API Oil Cross-over Sub
1. Standard: API 7-1
2. Type: cross-over sub/pup joint/x-over sub
3. Size:3-1/8-11"
Denotation | Upper Connection Part | Lower ConnectionPart | Type |
Kelly Cross-over Joint | 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 Collar Joint | 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 |