石油实验地质2016，Vol.38Issue(4)：502-508,7.DOI:10.11781/sysydz201604502
内蒙古索伦地区二叠系哲斯组泥岩微孔隙特征
Micro-structure analysis of mudstones in the Middle Permian Zhesi Formation in Solun area, Inner Mongolia
摘要
Abstract
The geochemical characteristics and micro⁃structure of dark mudstones from the Middle Permian Zhesi Formation in Solun area, Inner Mongolia were studied using field outcrops, samplings, and systematic analyses. Micro⁃pores (including interparticle, intraparticle and organic pores) and micro⁃fractures (including interlayer fractures in minerals, fractures between organic matter and minerals, and fractures in organic matter) developed in mudstones in the Zhesi Formation. Organic pores were not well developed in the Zhesi mudstones, mainly due to low TOC content and pore collapse under strong compaction effect. Micro⁃fractures were well developed thanks to high brittle mineral content. The characteristics of source rocks and reservoirs showed that mudstones in the Zhesi Formation have a good prospect for shale gas exploration. The areas with widespread mudstones rich in organic matter are targets for shale gas in the Upper Paleozoic in Northeast China.关键词
泥岩/地球化学特征/微孔隙特征/哲斯组/索伦地区/内蒙古Key words
mudstone/geochemical characteristics/characteristics of micro-pores and fractures/Zhesi Forma-tion/Solun area分类
石油、天然气工程引用本文复制引用
李世臻,周新桂,王丹丹,张交东,林燕华,曾秋楠,张文浩..内蒙古索伦地区二叠系哲斯组泥岩微孔隙特征[J].石油实验地质,2016,38(4):502-508,7.基金项目
国土资源部“全国油气资源战略选区调查与评价”专项（1211302108019－2）资助。 （）
