Rupture Disc Sub


Rupture Disc Sub

The WellEnTech Rupture Disc Sub provides a means of communicating with the annulus should a loss of circulation through a tool string occur. The tool can be supplied with a range of calibrated Rupture discs which provide a choice of activation pressures to suit operational requirements.


  • One piece design
  • No specialist assembly tools required
  • Fully adjustable activation pressure
  • Easily redressed
  • Standard Jetting operations
  • Clean out runs
  • Debris circulation
  • Well Stimulation operations
  • Any flow dependent well operations

The WellEnTech Rupture Disc Sub is configured at surface. Burst discs are easily assembled and removed using a standard Allen key. A burst disc is inserted into the tool which is rated at a pressure value in excess of pressures anticipated during well operations. If however, during the operation, circulation is lost, the Rupture Disc Sub enables the operator to apply a predetermined pressure and rupture the disc, thereby opening up a communication path between the tool string ID and the annulus. 


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