Haikou, China, 03 May 2024 (Xinhua) China's first independently-developed and built ultra-deepwater gas field, Shenhai Yihao, or Deep Sea No.1, has recorded an accumulated natural gas output of over 8 billion cubic meters so far, with its oil output exceeding 800,000 cubic meters. The deepest of its kind in China, the Shenhai Yihao ultra-deepwater gas...