According to Sohu's query. Xiamen University 1 is a deep-sea oil drilling platform jointly developed by Xiamen University and CNOOC. The platform has independent intellectual property rights, and has made many major breakthroughs in ship overall, platform structure, oil and gas water treatment, electric power, communication and automatic control system, and obtained more than 30 national invention patents. This platform is the world's first semi-submersible deep-sea mobile living platform, which can work in sea areas with water depth of 1000 m to 3,000 m, with a maximum working water depth of 3,000 m and a deck variable load of 1500 m. It can accommodate 300 people to live and 200 people to eat at the same time, and can provide all public living facilities needed for mobile oil and gas exploration and development, drilling, workover and oil testing.