Well Barrier Surveillance

This service provides data and measurements required for classifying and risk ranking wells with sustained casing pressure (SCP).

A complete integrated system for testing and monitoring the integrity of well barrier elements secures a cost-effective service and immediate results.


  • Trouble shooting Sustained Casing Pressure (SCP)
  • Health check surveillance on scheduled or exception basis
  • Well Abandonment - Testing barriers before, during and after the P&A operation


  • Gas storage volumes in the evaluation of the annuli and potential for uncontrolled release of hydrocarbons.
  • Level of hazardous and corrosive components in annular volumes
  • Gas, liquid and combined leak rates
  • Potential sources, mechanism and location of the leaks
  • Historical access and trending of test results
  • Well classification and ranking on request


  • Identify source and potential consequences of degraded well barriers early in the well life cycle
  • Avoid unplanned shutdowns
  • Keep track of individual well results and trends
  • Determine suitable schedule for repairs and/or replacements
  • Increase Production over field life
  • Extend the life cycle of wells by minimizing stress on well barriers during testing
  • Cost effective well integrity surveillance over field life
  • Surface deployed service, which require no shut in of wells or intervention
  • Minimal interruption to platform activities
  • Well integrity status and history known up to abandonment