Witnesses said they could smell "burning brake oil" in the minutes before the blaze and called triple-when they saw smoke billowing from a vent.

Brakes Oil immersed inboard disc brakes.

Other oil and gas companies were on the back foot after Saudi Arabia said OPEC would look at raising output to brake oil's ascent toward $100.

He and other OPEC officials also said it was necessary for industrialized countries, the United States in particular, to increase their oil refining capacity to help brake oil prices.