Shell spent more than $8 billion and nearly a decade looking for oil in the Chukchi Sea, including $1.4 billion this year alone.
"Noble Discoverer"
Shell rigs leave Dutch Harbor for Chukchi, to wait
Shell is still moving its ships and equipment into the Arctic, even as one of its icebreakers prepares to head back south for repairs.
Greenpeace activists banned from Arctic rigs
Greenpeace protesters have climbed down from an Arctic-bound drill rig in the Pacific.
Shell sketches plans for Arctic drilling in 2015
Shell filed a new plan to explore the Chukchi Sea with federal regulators in Anchorage.
Shell won’t drill in the Arctic this summer
After a troubled 2012 Arctic drilling season, Shell Oil has announced it won’t be drilling this summer.
Tug towing Shell’s Kulluk drill rig experiences engine problems
Coast Guard Spokesman David Mosley in Anchorage says the tug Aiviq began experiencing engine problems late last night. He says it has enough power to maintain its current position, about 48 hours from landfall.
Coast Guard finds safety violations on Shell rig
Shell’s Noble Discoverer drill rig has had several high-profile mishaps in 2012. Now, the Coast Guard says it found problems with the rig’s on-board systems during an emergency inspection in Seward.
Ice prompts Shell to halt Arctic drilling
Shell has paused its drilling operation in the Arctic just a day after starting.
Shell oil drilling rig has close encounter with shore in Unalaska
Shell Oil has run into a number of problems with its Arctic drilling plans over the last week.