Group 1 - The core viewpoint of the article highlights the fluctuations in international oil prices due to geopolitical developments and supply dynamics, with a recent rebound in prices following a period of decline [1][2]. Group 2 - As of February 6, 2026, Brent crude oil futures settled at $68.05 per barrel, down $1.27 (-1.83%) from the previous week, while WTI crude oil futures settled at $63.55 per barrel, down $1.66 (-2.55%) [2]. - The global number of offshore self-elevating drilling rigs decreased by 6 to 370, with reductions in Southeast Asia, North America, and other regions [3]. - U.S. crude oil production was reported at 13.215 million barrels per day, a decrease of 481,000 barrels per day from the previous week [3]. - U.S. total crude oil inventory stood at 836 million barrels, a decrease of 3.241 million barrels (-0.39%) from the previous week [4]. - The price of biodiesel and biojet fuel remained stable, with the FOB price for ester-based biodiesel at $1,150 per ton [5]. Group 3 - Related companies in the sector include China National Offshore Oil Corporation (CNOOC), China Petroleum & Chemical Corporation (Sinopec), and China National Petroleum Corporation (PetroChina) [6].