我国自主研发设计制造、被称为海洋工程“航空母舰”的“海洋石油981”已在南海北部海域投入商业运营,这标志着中国油气资源的勘探开发正式向深海挺进。“海洋石油981”钻井平台自重3万吨,最大作业水深3000米,最大钻井深度120()0米,甲板面积相当于一个标准足球场,高度相当于45层楼,是当今世界最先进的第六代超深水半潜式钻井设备。 China’s own R & D and design and manufacturing, called “Offshore Oil 981” of Ocean Engineering “Aircraft Carrier ” have been put into commercial operation in the northern South China Sea, marking the formal advancement of China’s oil and gas resources exploration and development to the deep sea. “Offshore Oil 981 ” rig weighs 30,000 tons, the maximum operating depth of 3,000 meters, the maximum drilling depth of 120 () 0 meters, the deck area is equivalent to a standard football stadium, the height of the equivalent of 45 floors, is the world’s most advanced The sixth generation of ultra-deepwater semi-submersible drilling equipment.