China launches Asia's deepest offshore drilling rig 5 October 2022 Haiji n°1 [sea base 1] is China's first self-developed offshore oil and gas drilling platform. It is also the deepest in Asia. It is located in the South China Sea, in deep water. A success for Chinese development capabilities Haiji n°1 is strong at 286 meters deep in the sea, with a total height of 340,5 meters and a weight of more than 40 000 tons. The platform is the work de la China National Offshore Oil Corporation (CNOOC), and join the top 10 deepest drilling rigs in the world (+ of 280 meters). His daily withdrawal is 270 000 tons, spread over 5 borehole. This content is for subscribers only. Identify yourself or create an account by clicking here