After a harrowing week, the Shell-owned conical drilling unit (CDU) Kulluk has been refloated and towed to a safe harbour.
Its arrival at Alaska’s Kiliuda Bay marks the end of an incident that for some has called into question the safety of North America’s steps into deepwater offshore oil exploration in the Arctic, particularly given the role of a sophisticated offshore-support vessel (OSV) that was unable to bring the drilling barge under control.
After
