As much as 150, 000 gallons of ultra-low sulfur diesel and about 12, 000 gallons of other petroleum products are on board the Kulluk, a double-hulled steel vessel with a helicopter landing pad and tower in the middle designed for drilling in Arctic waters.

CNN: Alaska drilling rig towed to harbor off Kodiak Island

In August 2007, I traveled to Greenland from Svalbard across the North Atlantic in a Russian double-hulled former spy vessel.

FORBES: It's Not Reality But Perception That Counts

The steel vessel is double-hulled and designed for drilling in Arctic waters.

CNN: Shell: Grounded drilling rig sound and fit to be towed