VAM® HWSTTM is a gas tight Threaded and Coupled (T&C) premium connection designed specifically for heavy wall casing. VAM® HWSTTM features a coarse, rugged, tapered thread and a gas-tight pin nose metal seal.
APPLICABLE RANGE
- Available in sizes from 5″ to 14″
- Heavy wall pipe, typically 0.650″ to 1.250″ wall thickness
- Carbon steel, other grades available upon request
- Yield strength from 80ksi to 140ksi.
APPLICATIONS
- HP/HT wells.
- Production casing
- Production Tie-back
- Contingency string
PERFORMANCE
- ISO 13679 CAL-IV qualified, field proven in HP/HT wells
- 100% tension and internal pressure ratings
- Sealability validated up to 250°C.
BENEFITS
- Fast thread taper reduces coupling OD
- Reliable gas-tight sealing
- Easy running.
OPTIONS
- Special clearance option