Core Viewpoint - The installation of the center processing platform for the Kenli 10-2 oilfield group development project marks a significant achievement in the Bohai Sea, setting records for size and weight in offshore oil and gas platforms [1] Group 1: Project Details - The center processing platform is a multifunctional marine platform with a height of 22.8 meters and a design weight exceeding 20,000 tons, with a footprint comparable to nearly 15 standard basketball courts [1] - The project utilized floating support technology for installation due to the platform exceeding the lifting capacity of domestic offshore cranes [1] - The project team employed digital twin technology for 3D modeling and analysis, enabling precise design of the floating support plan and conducting virtual simulations to identify operational risks [1] Group 2: Technological Innovations - During the floating support operation, three sets of AI algorithm-based Beidou positioning systems were installed on the main operation vessel, providing "millimeter-level anti-collision radar" [1] - The operation also involved coordinated control of multiple tugboats to achieve precise positioning of the platform in one attempt [1] - China has completed a total of 50 large offshore platform floatations, with the maximum floating capacity reaching 32,000 tons and a total floating weight exceeding 600,000 tons [1] Group 3: Economic Impact - The average water depth in the Kenli 10-2 oilfield area is approximately 20 meters, with proven geological reserves of crude oil exceeding 100 million tons [1] - The first phase of the project is planned to commence production within the year, supporting the Bohai Oilfield's target of achieving an annual oil and gas output of 40 million tons [1]

Core Insights - The successful installation of the Weizhou 11-4 CEPD platform marks a record for the largest and heaviest offshore oil and gas platform in the Beibu Gulf region, with a height of 49.5 meters and a weight exceeding 14,000 tons [1][2] - The platform integrates drilling and oil and gas processing functions, featuring 134 key equipment sets and a 95% localization rate for core components, significantly reducing engineering investment and annual maintenance costs by over 30% [1][2] Group 1 - The Weizhou 11-4 CEPD platform is a multifunctional drilling and production platform, designed and constructed by China National Offshore Oil Corporation (CNOOC), and utilizes floating installation technology due to its size exceeding domestic floating crane capabilities [1][2] - The project employs innovative design and construction techniques, including a slanted leg structure and transition section for the platform's foundation, enhancing load transfer and precise positioning during installation [2] - The platform will serve as a critical facility for the Weizhou 11-4 oil field, which is China's first independently developed oil field in the South China Sea according to international standards, contributing to the establishment of a third gathering center in the Weizhou oil field cluster [2]