石油实验地质2016，Vol.38Issue(6)：842-849,8.DOI:10.11781/sysydz201606842
不同赋存状态页岩油定量表征技术与应用研究
Quantitative characterization of shale oil in different occurrence states and its application
摘要
Abstract
Crude oils in shale systems exist in different modes, where only free oil could be a potential contributor to shale oil production. However, there is a general lack of analytical methods for quantitative characterization of free and adsorbed oils in organic⁃rich shale, and little is known of the interrelationships among different states of oils and porous media in shale. A modified Rock⁃Eval and pyrolysis⁃gas chromatographic method was established to quantify different modes of shale oil occurrence in various geological samples. In combination with solvent extraction, this tech⁃nique was applied to analyze continuous shale core samples collected from exploration wells in the Jiyang Depression, Bohai Bay Basin, East China. The results showed a positive correlation between adsorbed oil content and total organic carbon abundance, and a pronounced decrease in the kerogen miscible oil content with increasing thermal maturity. On the other hand, the free/adsorbed oil ratio decreases with increasing TOC in a shale system, suggesting that free oil is associated mainly with inorganic mineral matrix and/or fractures. The study provides a rapid technique for the characterization of shale oil occurrence and the quantitative evaluation of shale oil resources.关键词
热释烃/游离油/吸附油/页岩油Key words
thermally released hydrocarbon/free shale oil/adsorbed shale oil/shale oil分类
能源科技引用本文复制引用
蒋启贵,黎茂稳,钱门辉,李志明,李政,黄振凯,张彩明,马媛媛..不同赋存状态页岩油定量表征技术与应用研究[J].石油实验地质,2016,38(6):842-849,8.基金项目
国家重点基础研究发展计划（973）项目“陆相页岩油形成演化与赋存机理”（2014CB239101）资助。 （）
