The Coast Guard is relaxing certification standards for Shell’s oil spill containment barge. The company convinced regulators the Arctic Challenger should be considered a mobile unit. Among other things, that means its mooring system only needs to be able to weather a 10-year storm, as opposed to the more rigorous 100-year standard for fixed platforms.
A drilling rig slated for use off Alaska’s North Slope is facing some serious scrutiny in Washington state. The Arctic Challenger is designed to stop oil spills from two other rigs. But officials say it needs a stronger design.