中上扬子地区下寒武统筇竹寺组页岩气资源潜力分析

对中下扬子地区下寒武统筇竹寺组页岩出露地区进行野外调查，采集样品，并进行实验分析。研究认为：中上扬子地区下寒武统筇竹寺组黑色页岩厚度大(50~400 m)，有机碳含量高，平均1.92%~2.35%，Ro值位于2.0%~4.0%，热演化程度高，具有形成页岩气藏资源的良好潜力；依据研究区页岩厚度、有机碳含量和成熟度分布特征以及页岩矿物成分、孔裂隙和含气性特征等源岩和储层方面的综合分析，优选出川南-黔西、米仓山-大巴山前陆、湘鄂西-渝东-黔北3个页岩气勘探有利区，并对页岩气有利区进行了资源潜力评价。

Resource potential analysis of shale gas in Lower Cambrian Qiongzhusi Formation in Middle & Upper Yangtze region

Focused on the Lower Cambrian Qiongzhusi formation shale outcrops investigation，sampling and laboratory analysis in middle and upper Yangtze region.Studies show that the Lower Cambrian has thick black shale ( 50-400 m)，excessive organic carbon content (the average is 1.92%-2.35%)，a high degree of thermal evolution (the average is 2.0%-4.0%)，a formation with good potential shale gas resources.According to analysis the distribution character of shale thickness，organic carbon content，maturity，mineral composition，pore and gas-bearing in the research area，optimized three shale gas exploration potential areas：southern Sichuan-western Guizhou，Micangshan-Daba Mountain foreland and western Hubei-ea stern Chongqing-northern Guizhou，and evaluated shale gas potential resource in each area.