Ren Min Ri Bao Hai Wai Ban·2025-10-21 04:55Core Insights - China National Offshore Oil Corporation (CNOOC) has announced that its first offshore carbon dioxide (CO2) storage demonstration project, the Enping 15-1 oilfield CO2 storage project, has successfully stored over 100 million cubic meters of CO2, equivalent to the carbon absorption of 2.2 million trees, indicating the maturity of China's offshore CO2 storage technology and capabilities [1][5][17] Group 1: Project Overview - The Enping 15-1 oilfield is the first high CO2 content oilfield in the eastern South China Sea, where conventional extraction methods would release CO2 into the atmosphere, increasing emissions [4][10] - The project utilizes Carbon Capture, Utilization, and Storage (CCUS) technology, which involves capturing CO2 from emission sources, utilizing it, and storing it in geological formations [5][10] - Since its launch in May 2023, the project has operated safely for over 15,000 hours, with a peak daily injection volume of 210,000 cubic meters [7][11] Group 2: Technological Advancements - The project has achieved a full-chain upgrade of CO2 capture, utilization, and storage technologies, with a domestic equipment localization rate of 100% [9][11] - The CO2 is captured, purified, pressurized, and injected into underground reservoirs to enhance oil recovery while permanently storing CO2 [10][12] - The project has developed a complete set of operational standards and procedures, providing significant practical experience and data support for large-scale offshore CO2 storage applications [10][12] Group 3: Future Prospects - CNOOC plans to scale up CO2 injection to over 1 million tons in the next decade, aiming to increase oil production by 200,000 tons [6][12] - The company is also initiating a large-scale carbon capture and storage cluster project in Guangdong, targeting the capture of CO2 emissions from various enterprises for storage in the Pearl River Estuary [16][17] - The development of CCUS technology is expected to support China's dual carbon goals and contribute to global climate governance [17]