COOEC(SH:600583) Zhong Guo Xin Wen Wang·2025-08-15 02:09Core Insights - The DPPB platform of the Huizhou 25-8 project, constructed by CNOOC's Offshore Oil Engineering Company, has completed its upper block assembly and is set to become the largest water injection development platform in the eastern South China Sea [1][2] - The platform features advanced green low-carbon technologies, including waste gas and heat recovery systems, which are expected to reduce carbon dioxide emissions by approximately 11,800 tons annually [1] - The construction process involved innovative assembly techniques that significantly improved efficiency, completing the main structure in 80 days and installing over 6,000 pipelines and 280,000 meters of cables within 9.5 months [2] Project Overview - The DPPB platform consists of a jacket and an upper block, with the upper block weighing around 14,370 tons and measuring 81 meters in length, 44.5 meters in width, and 81.2 meters in height [1] - The project aims to enhance oil recovery rates and extend the lifespan of the Huizhou 25-8 oil field, while also serving as a logistics and power transmission hub for the surrounding oil fields [2] Technological Advancements - The platform incorporates a range of functions, including drilling, intelligent oil extraction, and comprehensive oil-gas-water treatment [1] - The use of TMCP high-strength steel in the construction process has led to a reduction in emissions during both metallurgical and processing phases [1]