Haiji-1, Asia’s largest jacket with a length of 302 meters and a weight of more than 30000 tons, successfully slipped and launched in the sea area of Lufeng oilfield, creating a new Asian record for the launching of deep-water jackets, marking that the complete set of key technologies and installation capacity of China’s super large deep-water jackets have reached the world-class level, which is of great strategic significance for promoting China’s offshore oil and gas storage and production and ensuring national energy security.