北部湾北部海上油田的开发工作始于５０年代，６０～７０年代作了大量地质工作。改革开放后，油气勘查取得突破性进展。累计发现油气构造６个，含油面积超过４０ｋｍ２，石油地质储量约４亿ｔ，已开发油田２个，揭开我国南方油气资源开发序幕 The development of the northern offshore oil fields in the Beibu Gulf started in the 1950s and made a lot of geological work in the 1960s and 1970s. After the reform and opening up, breakthroughs have been made in oil and gas exploration. A total of 6 oil and gas structures have been discovered, with an oil-bearing area of ​​more than 40 km2 and a petroleum reserve of about 400 million tons. Two oilfields have been developed, opening the curtain for the development of oil and gas resources in southern China