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中国海油“璇玑”实现超远程油田钻探技术新突破
Zhong Guo Dian Li Bao· 2025-08-18 06:22
Core Insights - The "Xuanji" system developed by China National Offshore Oil Corporation (CNOOC) has achieved a significant milestone in oil and gas directional drilling technology, with over 500,000 curve transmissions and a total data volume exceeding 500G, equivalent to the data from 1,000 wells or a single well of 1 million meters [1] - This revolutionary technology allows for precise drilling towards deep targets and along reservoir boundaries, representing the highest level of drilling technology globally [1] Group 1 - The "Xuanji" system has established a real-time data transmission link from the well site to the cloud and application end, enabling high-speed communication for deep data transmission [1] - The system utilizes fluid pressure wave transmission technology to efficiently and stably transmit formation information across various media, successfully creating a communication channel over 9,000 kilometers between China and Uganda [1] - The technology team in China has improved the data transmission rate from 1bps to 40bps, achieving world-class standards and creating an end-to-end control loop from downhole instruments to decision centers [2] Group 2 - The "Xuanji" system has been applied on a large scale in important oil fields across China and has been promoted to countries involved in the Belt and Road Initiative, including Indonesia, Iraq, and Uganda [2] - The system has completed 151 operations overseas, with a cumulative drilling length of 120,000 meters, establishing a comprehensive industrial layout and global application [2] - The Ugandan Petroleum Authority has highly praised the "Xuanji" system for its capability in global systematic collaborative operations, providing strong technical support for the exploration and development of complex oil and gas fields [2]