不断突破技术壁垒，大国重器深海亮剑——“奋进号”的奋进路

Core Insights - China National Offshore Oil Corporation (CNOOC) announced the successful completion of a deepwater drilling operation in 11.5 days, setting a new record for drilling cycles in the 3500-4000 meter range in China [5][6] - The sixth-generation domestically designed semi-submersible platform "Fengjin" has demonstrated advanced capabilities in deepwater drilling, contributing significantly to China's oil and gas resource development goals [6][9] Group 1: Technological Advancements - "Fengjin" is China's first sixth-generation semi-submersible drilling platform, capable of operating at a maximum water depth of 3000 meters and drilling to depths of 10000 meters, with a wind resistance capacity of level 17 [7] - The platform has achieved a 93% operational efficiency during its initial drilling, surpassing international counterparts [7] - CNOOC has developed a complete technical system for deepwater drilling, transitioning from reliance on imports to self-sufficiency in key technologies [9] Group 2: Milestones and Achievements - In 2014, "Fengjin" achieved the first significant oil and gas discovery in China's self-operated deepwater exploration at the Lingshui 17-2 gas field, with a production capacity of 56.5 million cubic feet per day, equivalent to 9400 barrels of oil [8] - The platform has set multiple records over the years, including the shortest drilling cycle for high-temperature and high-pressure wells and the deepest operational depths in both China and the Asia-Pacific region [10][11] - CNOOC's deepwater drilling teams have grown to 10 teams with over 1200 trained professionals, marking a significant development in China's deepwater drilling capabilities [7][9]