Cause & Consequence
- Uncontrolled release of a flammable gas or liquid
Specific Incident Equipment
Pipework & Fittings, Valve, Wellhead
Metallurgical analysis discussion stated that austenitic stainless steels are particularly susceptible to stress corrosion cracking in the presence of aqueous chlorides at elevated temperatures.
- Confirm all other fittings in the same service are gas tight and show no signs of deterioration
- Take further samples of the population of fittings to gauge whether a system issue – completed and found to be isolated case
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