俄乌局势反复扰动，国际油价保持区间震荡

Group 1: Oil Price Overview - As of December 5, 2025, Brent and WTI oil prices were $63.75 and $60.08 per barrel respectively, reflecting a slight increase due to geopolitical factors [1][2] - The international oil prices experienced fluctuations, initially declining but later rising due to the lack of agreements in the US-Russia meeting and attacks on the Russian "Friendship" pipeline [1][2] Group 2: Oil Supply and Demand in the US - As of November 28, 2025, US crude oil production was 13.815 million barrels per day, showing a slight increase of 0.1 thousand barrels per day [3] - The number of active drilling rigs in the US increased by 6 to 413 as of December 5, 2025, indicating a potential rise in production capacity [3] - US refinery crude oil processing volume rose to 16.876 million barrels per day, with a utilization rate of 94.10%, up by 1.8 percentage points [3] Group 3: US Oil Inventory - As of November 28, 2025, total US crude oil inventory increased by 824 thousand barrels to 839 million barrels, with strategic and commercial inventories also rising [4] - Gasoline and diesel inventories saw increases of 2.15% and 1.83% respectively, indicating a growing supply in the market [4] Group 4: Biofuel Prices - As of December 5, 2025, the FOB price for ester-based biodiesel remained stable at $1,165 per ton, while hydrocarbon-based biodiesel was priced at $1,875 per ton [5] - The price of biojet fuel in China was $2,300 per ton, down by $100 from the previous week, reflecting market adjustments [5] Group 5: Related Companies - Key companies in the sector include China National Offshore Oil Corporation (CNOOC), China Petroleum & Chemical Corporation (Sinopec), and China National Petroleum Corporation (CNPC), among others [6]