宜兴地区石炭系金陵组页岩气潜力分析

Journal of East China Institute of Technology(Natural Science Edition)(2018)

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Abstract
宜兴-宣城地区古生界石炭系金陵组沉积环境为滨海相环境,富有机质泥页岩可达10 m;TOC平均含量为0.8%;镜质组反射率平均值范围为1.62%~1.8%;有机质类型以Ⅱ2和Ⅲ型为主.储层孔隙度平均值为2.99%;微孔以粒内孔、粒间孔为主,有机质孔弱发育,收缩裂缝极发育.30℃,10 MPa条件下,石炭系金陵组黑色泥岩最大吸附量为2.95cm3/g.综合研究认为宜兴地区石炭系金陵组具有一定的页岩气勘探前景.
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