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Equalising Balldrop Sub (EBS)

The EBS serves as a temporary barrier when assembled to an appropriate Packer and will hold 345 bar (5,000 psi) differential pressure with a barrier plug/valve mounted below. It has been tested and qualified in accordance with the ISO 14310 international standard validation grade V0 4-100C and 345 bar (5,000 psi) differential pressure.


  • Allows a temporary barrier when run with closed end
  • Opens at a predetermined differential pressure level after a ball is dropped, enabling remote equalisation and production / injection
  • Can also open when run with a closed valve underneath

For more information please contact our sales department.


View related case studies:

12 Hours Rigtime Saved with Equalising Balldrop Sub

EBS & Junk Extension saves 12 hours rig time