Yang Shi Wang·2025-12-14 05:30Core Viewpoint - The successful full production of the Liuhua oil field's secondary development project marks a significant advancement in China's deepwater oilfield development capabilities, with daily crude oil production reaching 3,900 tons, setting a new record [1][5][30]. Group 1: Project Overview - The Liuhua oil field secondary development project consists of the Liuhua 11-1 and 4-1 oil fields, with an average water depth of 305 meters [3][20]. - The project includes 32 production wells, with a total drilling depth exceeding 75,000 meters, and aims to achieve an annual production of over 1 million tons by 2026 [1][19]. Group 2: Technological Innovations - The project utilizes advanced technologies, including a deepwater jacket platform and a cylindrical floating production storage and offloading unit, to enhance oil recovery and efficiency [9][22]. - The "Haiji No. 2" platform, a key asset in the project, incorporates 15 globally leading technologies and features a digital twin system for optimal maintenance strategies [13][15]. Group 3: Production Achievements - Since the first production wells were put into operation in September 2024, the project has produced over 900,000 tons of crude oil [3][5]. - The daily production rate has reached a new high, surpassing previous records set in the last 22 years of oil field operations [5][24]. Group 4: Industry Impact - The successful development of the Liuhua oil field represents a breakthrough in tackling the challenges of deepwater reef limestone oil reservoir extraction, which is recognized as a global technical difficulty [7][20]. - China's deepwater oil and gas exploration and development capabilities have made significant strides, with the country becoming one of the few able to independently conduct deepwater oil and gas exploration [26][30].