You want to keep oil off your face.
"The only way to protect areas that are economically and ecologically valuable is to keep oil out," she said.
It's part of an international lifeline that keeps oil and gas moving around the world.
Perdido is expected to keep oil and gas flowing for the next 20 years.
Now Mideast turmoil is keeping oil in the news and helping to keep the price above $30 a barrel.
They keep oil in the sump from leaking into the combustion area, where it would be burned and lost.
Why do we keep so much oil sitting around?
Over the last four years, the cartel has tried to keep oil within its so-called price band of $22 to $28 per barrel.
"If you keep good, clean oil in your car, it's going to survive just fine."
They kept their diamonds and oil at a horrific cost.