简明介绍了钻井专家在线辅助决策系统的国内外研究现状，并具体说明了中海油钻井专家在线辅助决策系统包含的主要内容及应用的技术手段，深入分析了该系统的应用带来的技术效益和社会效益。%The research status of drilling expert online decision support system is introduced in this paper as well as the content and techniques applied in CNOOC drilling expert online decision support system,the in-depth analysis of economic and social benefits of the system is conducted as well.
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