BUSINESS By Luo Guoping Published: May. 19, 2026 8:55 p.m. GMT+8 00:00 00:00/00:00 您的浏览器不支持 audio 标签。 Listen to this article 1x Subscribe now Listen to the full version The Deep Sea No. 1 Phase II project. Photo: VCG China’s largest offshore oil and gas producer is preparing to double its deep-water drilling capabilities as it targets ocean depths of 3,000 meters. China National Offshore Oil Corp.