Huan Qiu Wang·2025-10-21 09:53Core Insights - China National Offshore Oil Corporation (CNOOC) announced that its first offshore carbon dioxide (CO2) storage demonstration project, the Enping 15-1 oilfield CO2 storage project, has cumulatively 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][8][12] Group 1: Project Overview - The Enping 15-1 platform, located in the Pearl River Mouth Basin of the South China Sea, began operations on May 22 this year, marking China's first offshore CO2 capture, utilization, and storage (CCUS) project [3][8] - The project aims to reduce CO2 emissions while enhancing oil production, utilizing high CO2 content in the oilfield to prevent corrosion and atmospheric release [7][10] Group 2: Technical Details - The CCUS technology involves capturing CO2 from emission sources, compressing it, and injecting it into geological formations for long-term storage [8][10] - The project has achieved a CO2 storage capacity exceeding 40 million cubic meters annually, with plans to scale up to over 1 million tons in the next decade, driving an additional 200,000 tons of oil production [9][12] Group 3: Industry Implications - The successful implementation of the project provides a technical template for large-scale CO2 reduction in coastal enterprises and oilfield development [12][14] - China's offshore CO2 storage potential is estimated at 25.8 billion tons, with ongoing projects aimed at creating a complete and internationally competitive offshore CCUS industry chain [14]