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Dual-Shot Ball Valve
Two cycle ball valve
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- Dual-Shot Ball Valve
Description
The Dual Shot Ball Valve is an annular rupture disc controlled ball valve that can be set to have one or two individual ball cycles. The Dual Shot Ball Valve can be run in-hole in either the open or closed position.
In the single cycle configuration, the Dual Shot Ball Valve can be used as a tubing string pressure test valve, or as a safety shut in valve in HPHT wells where a secondary down hole barrier is required. The dual cycle configuration provides down hole test valve with one shut in cycle for a pressure build up, and the ability to re-open for an additional flow period or well kill procedures.
Features
Fast acting full bore ball valve- Configurable to change the ball position once or twice down hole
- Run in either the closed or open position
- Precise operating pressure utilizing rupture discs
- Opens with high differential pressure across the ball
- Simple operation
- Holds pressure from above and below
Applications
- Reservoir testing: flow and shut-in / back-up safety valve
- Stimulations
- Completions
- Shoot and pull TCP
- Under-balanced TCP
- Drill stem testing
Competitor Comparable Tools
| Competitor Tool / Tool Name | Model |
|---|---|
| Schlumberger Dual-Action Valve | DAV-E/FAA/FAB/K |
| Schlumberger Pump-Through Safety Valve | PTSV-FEA/FEB |
| Schlumberger Slim | PTSV-GAA/GAB |
| Schlumberger Single-Ball Safety Valve | SBSV-FFB/FEA/FEB |
| Schlumberger Slim | SBSV-GAA/GAB |
| Halliburton | Rupture Disc Bypass Pressure Test Valve |
| Expro Downhole Safety Valve | DHSV |
