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|
|Halliburton||Pump Thru Rupture Disc Safety Circulating Valve|
|Halliburton||Rupture Disk Safety Circulating Valve|
|Expro Annulus Operated Reversing Valve||AORV|
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