Production / Isolation Valves | SLB

Production and Isolation Valves

Run between the packer and TCP guns for managing pressure

perforating charges

Production and isolation valves are often included in a TCP string for the following applications:

  • Run a completion or testing string containing a lighter column of fluid to create an underbalance when perforating
  • Avoid difficulty in establishing the required underbalance before perforating where they are existing perforations or leaks below the packer
  • Keep the tubing string sealed and enable the use of pressure-set packers, tubing hangers, and other pressure-operated tools such as TCP firing heads
  • Keep high pressure away from the casing until perforating is completed for operations with extreme overbalance

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