Sea Trial Leaves Shell's Arctic Oil Spill Containment Dome "Crushed Like A Beer Can"

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According to BSEE internal emails obtained by KUOW, the containment dome test was supposed to take about a day. That estimate proved to be wildly optimistic.

Day 1: The Arctic Challenger's massive steel dome comes unhooked from some of the winches used to maneuver it underwater. The crew has to recover it and repair it.

Day 2: A remote-controlled submarine gets tangled in some anchor lines. It takes divers about 24 hours to rescue the submarine.

Day 5: The test has its worst accident. On that dead-calm Friday night, Mark Fesmire, the head of BSEE’s Alaska office, is on board the Challenger. He’s watching the underwater video feed from the remote-control submarine when, a little after midnight, the video screen suddenly fills with bubbles. The 20-foot-tall containment dome then shoots to the surface. The massive white dome “breached like a whale,” Fesmire e-mails a colleague at BSEE headquarters.

Then the dome sinks more than 120 feet. A safety buoy, basically a giant balloon, catches it before it hits bottom. About 12 hours later, the crew of the Challenger manages to get the dome back to the surface. “As bad as I thought,” Fesmire writes his BSEE colleague. “Basically the top half is crushed like a beer can.”

Representatives of Shell Oil and of BSEE declined to answer questions or allow interviews about the mishaps.

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http://www.kuow.org/post/sea-trial-leaves-shells-arctic-oil-spill-gear-crushed-beer-can