Total reports the situation as under control, and says there was no resulting fire or release of hydrocarbons. The company says only steam has been released into the atmosphere, and there has been no environmental impact.
According to a statement, the explosion occurred during maintenance on a steam generation system within a gas production unit.
There is no word when the shutdown unit would be restarted, and the identitites of the two subcontractors killed has not been released. A third person was reported missing, but has been found.
The 338,000 bartrel-per-day Antwerp refinery is the second largest in Europe, but the production unit shutdown is not expcted to have significant impact on European supplies.