Group 1: Deepwater Equipment Delivery - China National Offshore Oil Corporation (CNOOC) has delivered 24 sets of 2000-meter deepwater suction anchors to Brazil, marking it as one of the largest deepwater oil and gas equipment deliveries by China [1][3] - The suction anchors weigh approximately 2674 tons, with a maximum height of 21 meters and a diameter of 8 meters, presenting significant technical challenges in precision control and deformation management due to their large size and thin wall thickness of 25 millimeters [3] Group 2: Technological Innovations - The project team achieved a quality compliance rate exceeding 99.9% through innovative construction techniques, including horizontal extension and vertical assembly, as well as advanced technologies like 3D scanning and finite element simulation [5] - The suction anchors will be installed at the Mero oil field in the Santos Basin, located in southeastern Brazil [5] Group 3: Marine Research Vessel - The first ocean-class intelligent comprehensive scientific research vessel, "Tongji," has been delivered, designed and built independently by China, featuring a 2000-ton capacity and advanced green, quiet, and intelligent technologies [6][8] - "Tongji" measures 82 meters in length and 15 meters in width, capable of accommodating 15 crew members and 30 research team members, with an operational range of 8000 nautical miles [8] Group 4: Power Grid Development - The Xinjiang 750 kV ring network project is nearing completion after 15 years of construction, with a total line length of 4197 kilometers, making it the largest 750 kV ultra-high voltage transmission ring network in China [11][17] - The project will enhance the power grid coverage to approximately 1.06 million square kilometers, nearly one-ninth of China's land area, and will facilitate the integration of renewable energy resources in the Tarim Basin [11][17]

据Mero二期吸力锚建造项目经理王腾飞介绍，装备安装海域最大水深超过2000米，是国内承建的应用 水深最大的超深水吸力锚项目，海油工程珠海深水装备制造基地负责全部24套吸力锚加工设计、材料采 购、建造、测试和装船工作，结构总重约2674吨。 新华财经北京7月13日电（记者安娜）记者13日从中国海油集团获悉，由其下属单位海洋石油工程股份 有限公司（简称"海油工程"）承建的24套2000米级国际超深水吸力锚，在广东珠海全部交付离港。本次 交付的吸力锚将应用于全球巨型盐下超深水油田——巴西梅罗（Mero）二期项目。 吸力锚是海洋工程关键装备，它利用负压工作原理，像大型吸盘一样牢牢吸附在海泥中，实现海洋设施 高效固定，被誉为深远海能源开发的"定海神针"。吸力锚具有可高效安装、可回收复用、高承载力等突 出优势，广泛应用于深水油气田、海上风电等领域。 Mero二期吸力锚最大建造单体高达21米，直径达8米，而壁厚仅为25毫米，是典型的薄壁大直径筒体结 构，对项目建造提出很大挑战。项目团队通过技术攻关，在国内首创超深水吸力锚卧式接长、立式总装 调试建造工艺，创新采用"旋转筒体再吊装"等总装方案，大规模应用三维扫描测量、有限元 ...

Core Viewpoint - The delivery of 24 sets of 2000-meter deep-water suction anchors by China National Offshore Oil Corporation (CNOOC) to Brazil marks a significant achievement in China's deep-sea equipment manufacturing, showcasing international recognition of "Made in China" deep-sea technology [1] Group 1: Company Achievements - CNOOC has successfully constructed and delivered 24 sets of 2000-meter deep-water suction anchors, which are among the largest deep-sea oil and gas equipment exported by China [1] - The suction anchor is a critical piece of equipment for deep-water mooring, functioning like a large suction cup that firmly attaches to the seabed, ensuring efficient fixation of marine facilities [1] Group 2: Industry Impact - The delivery signifies a milestone in the acceptance of Chinese deep-sea equipment in the international mainstream market, indicating a growing competitiveness of China's manufacturing capabilities in the deep-sea energy sector [1] - The suction anchor is referred to as the "stabilizing needle" for deep-sea energy development, highlighting its importance in the industry [1]