河南理工大学学报（自然科学版）2017，Vol.36Issue(4)：42-47,6.
页岩孔隙综合分形特征及其影响因素分析
The comprehensive fractal characteristics of shale and its influencing factors
摘要
Abstract
In order to analyze shale pore fractal feature of shale,fractal dimension is calculated by using high pressure mercury intrusion method.Menger model and low-temperature liquid nitrogen adsorption method FHH fractal model is used to do fractal fitting on different pore range.The ratio of pore volume of different pore range to the total pore volume is used as a weighted value to calculate the comprehensive fractal dimension of shale samples.The correlation of comprehensive fractal dimension,total organic content(TOC) and mineral content (clay minerals and brittle mineral) are analyzed.The results show that the total organic content (TOC) are the main factors affecting the total comprehensive fractal dimension.With the increase of total organic content(TOC),the comprehensive fractal dimension of shale is bigger which make pore structure becomes complicated.Meanwhile,the pore surface becomes rough providing more points for adsorption shale gas.关键词
页岩/孔隙/高压压汞/低温液氮/综合分形维数Key words
shale/pore/high pressure mercury intrusion method/low-temperature liquid nitrogen adsorption method/total fractal dimension分类
天文与地球科学引用本文复制引用
张闯辉,朱炎铭,陈居凯,李拯宇..页岩孔隙综合分形特征及其影响因素分析[J].河南理工大学学报（自然科学版）,2017,36(4):42-47,6.基金项目
国家自然科学基金资助项目(41472135) （41472135）
山西省煤基重点科技攻关项目(MQ2014-02) （MQ2014-02）
煤层气资源与成藏过程教育部重点实验室(中国矿业大学)开放基金联合资助项目(2015-004) （中国矿业大学）
