林彤;雍自权;刘树根;白志强;王浩;

• 1:成都理工大学能源学院

• 2:成都理工大学油气藏地质及开发工程国家重点实验室

摘要(Abstract)：

川东南石林地区五峰组—龙马溪组黑色页岩为四川盆地页岩气勘探重点地区重点层位,应用野外观察、镜下鉴定、化学测试等方法分析石林地区页岩特征.结果表明:川东南地区五峰组—龙马溪组主要为陆棚相黑色页岩、硅质泥页岩和粉砂质泥岩沉积,且黑色页岩段富含黄铁矿和笔石化石;以Ⅱ型干酪根为主,有机碳质量分数大于2.0%,有机质成熟度大于2.0%,具备大量生气条件;脆性矿物质量分数大于50%,有利于人工造缝;储集空间类型丰富,以纳米级孔隙及微裂缝为主,测试孔隙度为2.5%.与焦石坝地区对比,川东南地区五峰组—龙马溪组黑色页岩整体表现为有机质质量分数高、成熟度高、页岩脆性好和生气能力强的特点,较有利于页岩气的形成和富集,为勘探远景有利区.

关键词(KeyWords)：页岩;沉积特征;川东南;石林地区;五峰组;龙马溪组

Abstract:

Keywords:

基金项目(Foundation):中国地质调查局基金项目(1212011220749)

作者(Author):林彤;雍自权;刘树根;白志强;王浩;

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