Driller wins $622 million arbitration award

A supply vessel is shown next to the Discoverer Inspiration on Tuesday, March 30, 2010. The derrick is 226 feet high. Chevron is drilling an exploration well into Moccasin Prospect on Transocean's Discoverer Inspiration, an ultra-deepwater drillship, located about 240 nautical miles from Leesville, Louisiana in the U.S. Gulf of Mexico. The vessel has the capability to drill wells in 12,000 feet of water to a total depth of 40,000 feet. ( Melissa Phillip / Chronicle )
A supply vessel is shown next to the Discoverer Inspiration on Tuesday, March 30, 2010. The derrick is 226 feet high. Chevron is drilling an exploration well into Moccasin Prospect on Transocean's Discoverer Inspiration, an ultra-deepwater drillship, located about 240 nautical miles from Leesville, Louisiana in the U.S. Gulf of Mexico. The vessel has the capability to drill wells in 12,000 feet of water to a total depth of 40,000 feet. ( Melissa Phillip / Chronicle )

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