CNOOC announced on the evening of the 19th that it has made another major breakthrough in exploration in the Qiongdongnan Basin in the southeastern Hainan Island, and discovered my country's first deep-water deep gas field - Baodao 21-1, with proven geological reserves of more than 50 billion cubic meters , has achieved the biggest breakthrough in the Songnan-Baodao sag in more than half a century, and is a powerful progress in accelerating deep-sea and deep exploration.

  In the field of offshore oil and gas exploration, waters with a water depth of more than 300 meters are generally referred to as deep waters, and wells with a depth of more than 3,000 meters are defined as deep wells.

The Baodao 21-1 gas field discovered this time is located in the deep water area of ​​the southeastern Hainan Island. The maximum operating water depth exceeds 1,500 meters, and the drilling depth exceeds 5,000 meters. It is about 150 kilometers away from the "Shenhai No. 1" ultra-deep water gas field. Extremely complex.

  Wu Keqiang, chief geologist of CNOOC Hainan Branch, said that the successful discovery of Baodao 21-1 not only confirmed the exploration potential of the Baodao Sag, but also showed that we have made important breakthroughs in deep-water and deep exploration technology. Exploration has important guiding significance.

(Zhang Wei, a reporter from CCTV News Client Headquarters)