Crude Assay Knowledge Library (CAKL) is an useful tool for crude evaluation,which provides quick and relevant answers based on a comprehensive set of reliable crude assays.

• 简要介绍了石油化工科学研究院开发建立的原油评价知识库的结构与主要功能，并略述了其中的关键技术，指出其特点和应用领域。