Indication of high levels of gas leading to general platform shutdown during restart of production

Cause & Consequence

• Failure of vessels or pipework

Incident Location

Fixed Installation

Incident Activity

Production operations

Specific Incident Equipment

Service Water (also referred to as Fire Water) system (particularly gas cooler & De-aerator Tower)

Lessons Identified

Inspection of cooler pipe bundle identified a number of further pipes where plugs were missing from an end

Deterioration of the cooler pipe bundle is due to corrosion (from sea water).

Incident Recommendations

Investigate possibility of re-instating second train gas cooler

Investigate possibility of providing double isolation for gas coolers.