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The Single Shot Circulating Valve is used to reverse circulate fluids out of the drill stem at the end of a test. When a pressure disc is ruptured, the applied annulus pressure from the burst moves the mandrel and allows fluid through the ports. As the mandrel moves, a snap ring engages to hold the mandrel and keep the tool in the circulating position.
Competitor Tool / Tool Name | Model |
---|---|
Schlumberger Single-shot Reversing Valve | SHRV-FFB |
Schlumberger Slim | SHRV-GAA/GAB |
Halliburton | Pump Thru Rupture Disc Safety Circulating Valve |
Halliburton | Rupture Disk Safety Circulating Valve |
Expro Annulus Operated Reversing Valve | AORV |
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