Wood Mackenzie Ltd., Edinburgh, and Fugro Robertson jointly assessed the Artic's total oil and gas potential. According to the joint study's results released on November 1, the entire international Arctic region contains much less potential petroleum resources with a mix of more natural gas than previously estimated. Nevertheless, the study reported that the South Kara-Yamal basin and the East Barents Sea in Russia, along with Greenland's Kronprins Christian basin, have yet-to-find resources greater than 10 billion boe.