Frontier Oil Tools Product Catalog

Hydraulic-Open Frac Valve


The Hydraulic-Open Frac Valve is the first zone to be opened in the multi-stage frac system. This sleeve requires no ball and is opened by applied surface pressure. Once open, communication with the annulus is now established and the breakdown of the formation creates a flow path which allows the fracturing treatment of that particular zone to begin. In addition, that communication allows subsequent balls to be pumped to the remaining frac valves.


  • Field adjustable opening pressure
  • Compact design for ease of handling
  • Flow area greater than liner flow area
  • Matching liner connections
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