From 1983 to 1993, the rig was operated by in . She was mothballed in 1993, and in 2005 she was acquired by and underwent intensive refurbishment. In January. .
Kulluk was strengthened against ice with 3 in (76 mm) thick, reinforced steel, and a funnel-shaped with flared sides enabling her to operate in Arctic waters as moving ice was deflected downwards and was broke. .
• on the CIMSS Satellite Blog• McKenzie Funk, , New York Times Magazine, December 30, 2014.
[pdf] EVERETT -- Despite protests from environmentalists and Seattle city leaders, Royal Dutch Shell is still planning to move its Arctic oil drilling rigs to a Seattle port terminal. One oil rig, the Noble Discoverer, docked in the Port of Everett Tuesday night.
[pdf] The and the topsides of the Perdido were constructed separately and then assembled in its final position in the Gulf of Mexico. The Perdido's hull or spar was constructed by in . A barge shipped the 22,000 tonne spar 13,200 kilometres (8,200 miles) from the to the Gulf of Mexico. After floating the spar, it was towed to its final home above the Alaminos canyon 320 kilometres (120 miles) fr.
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