A one-end upset connection used for workstrings and production tubing.
Special applications include highly deviated and extended reach wells, milling, jarring, fishing, drilling cement and diamond-coring operations.
Features
- Available in sizes from 2 3/8" to 4 1/2".
- Exceptional torque strength developed through the simultaneous engagement of opposing flanks of the double hooked dovetail thread.
- Trouble-free make-up is developed with the rugged, coarse pitch thread and steep taper for deep stabbing.
- 100% pipe body ratings for tension and bending developed using non upset pin end and upset box end pipe. Reverse angle stab flank provides 100% compression rating.
- 100% pipe body internal yield and collapse strength created with the lubricant seal of the dovetail threads.
- Roller-stenciled make-up confirmation band.
- Wedge 551™ is interchangeable with Wedge 561™, Wedge 531™ and Wedge 501™.
Applications
- Production tubing and workstrings
- Horizontal and extended-reach wells
- Drilling with tubing
Options