苏南地区二叠系页岩气资源潜力研究

通过对以往地质资料的分析研究，认为本区构造较复杂，二叠系泥页岩层系厚度较大，其中龙潭组暗色泥页岩厚度占该组的30％以上，有机质类型以Ⅲ型为主，有机碳含量大于1．00％，镜质组反射率（Ro）多为1．2％～2．5％；埋藏深度适中，微裂隙发育，盖层发育较好。采用类比法初步估算本区二叠系页岩气资源量为0．86×10^12～4．31×10^12m3，资源潜力较好。

Permian Shale Gas Resource Potential Study in Southern Jiangsu

Based on past geological data analytic study, considered that the structure in the area is rather complicated, thickness of Permian argillutite strata is rather large. In which, the thickness of Longtan Formation dark argillutite accounts to more 30% of the for- mation; organic matter mainly belongs to type III; organic carbon content more than 1.00%; vitrinite reflectance （Ro） mostly between 1.2%-2.5%; buried depth modest; microfissure well developed and rather good overburden development. Using analogue method ini- tially estimated Permian shale gas resources in the area have 0.86×10^12～4.31×10^12m3 thus rather good resource potential.