Two cycle ball valve


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.

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  • 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


  • 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 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

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