Below we have listed five WIPC syllabus areas and how it relates to this type of incident. These syllabus areas aim to help candidates understand the negative impact of this type of incident and importance of acting safely to minimise risk.
WI-SF-COM-01.01.01 The impact of a well control incident
- There was an impact to personnel – a service hand broke his femur when climbing over a locked gate to escape the wellsite.
- There was environmental damage, damage to equipment and reputational damage.
WI-SF-COM-02.02.02 Sources of abnormal annulus pressures
- The rig team did not recognise there could be trapped gas pressure in the annulus. Tubing was punched with the annular BOP open.
WI-SF-COM-02.03.01 Risk Management principles and practices
- The operational plan did not recognise the risk of trapped annulus pressure.
- the rig team made a poor assessment of the risks and decided to keep the annular BOP open.
WI-SF-COM-04.01.02 Well barrier elements
- There were no well barrier diagrams in the programme.
WI-SF-COM-02.05.01 Well control drills
- The new service hand had not previously participated in a drill.
- An emergency site exit gate was locked, but the new service hand was unaware of this.