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] Kulluk was an ice-strengthened that was used for oil exploration in the Arctic waters. She was constructed by in in 1983 and operated in the Canadian Arctic until 1993 when she was mothballed for over a decade. In 2005, she was purchased and extensively refurbished by Shell PLC for drilling off the .
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Drilling in the Canadian Arctic turned out to be challenging and expensive, particularly in the offshore where drilling required innovative technology. Short operating seasons complicated logistics for companies who had to contend with the additional risk of variable ice conditions. .
Exploration for petroleum in the Arctic is expensive and challenging both technically and logistically. In the offshore, sea ice can be a major factor. There have been many discoveries of. .
There are 19 geological making up the region. Some of these basins have experienced and , most notably the where oil was first produced in 1968 from . However, only half the basins – such as the .
In June 2007, a group of returned from a six-week voyage on a ,. .
on 's is the largest oil field in , The field was discovered on March 12, 1968, by Atlantic Richfield Company (ARCO). .
Drilling in the peaked during the 1970s and 1980s, led by such companies as in the Sverdrup Basin of. .
In the years post 2000, sedimentary basins offshore were believed by some geologists to have high potential for large oil. .
and (then Statoil) made the Arctic exploration deal in May 2012. It is the third deal Rosneft has signed in the past month, after.
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