Xin Hua Wang·2025-11-09 01:57Core Viewpoint - The Longqing Oilfield of China Petroleum has achieved a cumulative shale oil production of over 20 million tons, marking a new stage in the large-scale and efficient development of continental shale oil in China [1] Group 1: Production Milestones - The cumulative shale oil production of Longqing Oilfield has surpassed 20 million tons, indicating significant progress in shale oil development [1] - The oilfield took 12 years to reach the first 10 million tons of production, while the subsequent 10 million tons was achieved in just 3 years [1] Group 2: Technical Innovations - Longqing Oilfield has developed a core approach of "fracturing and precise energy supplementation" to address the technical challenges of extracting shale oil from deep layers with low reservoir pressure [1] - The oilfield has independently developed 12 key technologies, including soluble metal ball seats and multifunctional fracturing fluids, achieving technological autonomy [1] - The application of carbon dioxide enhanced oil recovery technology has increased the daily production per well from 1.5 tons to 18 tons, with overall technology reaching an internationally advanced level [1] Group 3: Resource Development - Longqing Oilfield has established a significant shale oil production area in the Ordos Basin, providing valuable insights and practical experience for the large-scale and efficient development of shale oil resources in China [1]