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Annex 6 - Well integrity status

Annex 6 to The Danish Working Environment Authority (WEA) guideline 65.2.2 on Health and safety aspects regarding offshore well operations

The well integrity status should include as a minimum the following:

  1. well stock overview with the number of wells in each well integrity severity category
  2. well stock overview with the number of wells in each well integrity severity category, prior mitigation (e.g. temporary plug setting)
  3. the last 3 months’ history of wells exceeding bleed down frequency (break down per well)
  4. the last 3 months’ history of annuli exceeding bleed down frequency (break down per installation for operator with more than one installation)
  5. progress in wellhead maintenance compared to planned (number of wellhead maintenance overdue, and average days overdue per well)
  6. progress in SCSSV tests (number of well tests overdue, and average days overdue per well)
  7. list of all the wells with a barrier failure with the description of failure(s) and the current plan/status, including the well integrity severity category
  8. list of all wells with a dispensation from the operator’s own management system
  9. number of closed and opened integrity issues per month by well integrity severity category for the last 12 months
  10. list of all wells suspended more than six months including date of suspension.