石油实验地质2018，Vol.40Issue(1)：118-125,8.DOI:10.11781/sysydz201801118
四川盆地涪陵焦石坝地区黑色页岩非均质性特征及控制因素
Heterogeneity characteristics and controlling factors of black shale in Jiaoshiba, Fuling, Sichuan Basin
摘要
Abstract
The study of macroscopic and microscopic heterogeneity of shale is one of the core aspects of shale gas exploration and development. The black shale in Jiaoshiba area in Fuling of Sichuan Province can be divided into two third-level sequences and nine sub-layers. The macroscopic heterogeneity mainly shows as follows. Lamina-tions decrease first and then increase from bottom to top, sandy bands first increase and then decrease, while pyrites gradually decrease. Graptolithina in the transgressive system tract is mainly diplograptus type, while those in the early and late high system tracts are mainly monograptus type. Graptolithina abundance gradually reduces from bottom to top. The microscopic heterogeneity mainly shows as follows. TOC content in the transgressive system tract is the highest, and then decreases upwards, while clay mineral content gradually increases from bottom to top. On the whole, three kinds of sedimentation, bio-current, isochronous flow and terrigenous source, jointly controlled the heterogeneity of black shale in the Jiaoshiba area.关键词
页岩气/非均质性/焦石坝/涪陵/四川盆地Key words
shale gas/heterogeneity/Jiaoshiba/Fuling/Sichuan Basin分类
能源科技引用本文复制引用
刘猛,刘超,舒志恒,陆永潮,古茜,谭淙文,徐向..四川盆地涪陵焦石坝地区黑色页岩非均质性特征及控制因素[J].石油实验地质,2018,40(1):118-125,8.基金项目
国家科技重大专项(2016ZX05060)和中国石化科技项目(P17014-3)联合资助. （2016ZX05060）
