宫美林;丁文龙;皮冬冬;蔡俊杰;张业倩;付景龙;姚佳利;

• 1:中国地质大学(北京)能源学院

• 2:中国地质大学(北京)海相储层演化与油气富集机理教育部重点实验室

• 3:中国地质大学(北京)页岩气资源战略评价国土资源部重点实验室

• 4:中国地质大学江城学院

摘要(Abstract)：

鄂尔多斯盆地东南部下寺湾—云岩区页岩气资源量较大,二叠系山西组作为主要的目的层系之一.基于钻井资料和暗色泥页岩样品化验资料,从暗色泥页岩生烃条件、储层特征、含气性等方面研究研究区山西组暗色泥页岩中页岩气的形成条件.结果表明:山西组暗色泥页岩分布广泛,且厚度大,平均厚度为80m,有机碳质量分数较高(平均为2.37%),有机质类型以Ⅰ、Ⅱ型为主,成熟度处于成熟—过成熟阶段,具有很强生烃潜力.矿物组成以石英和黏土矿物为主,黏土矿物中主要为伊蒙混层,吸附能力强.硅质、碳酸盐岩等矿物较多,岩石脆性大,造缝能力强.研究区山西组泥页岩中裂缝极为发育,储集条件优越,泥页岩段气测显示活跃,结合页岩含气层显著的测井响应,显示暗色泥页岩段含气性好,页岩气资源潜力较大.鄂尔多斯盆地东南部下寺湾—云岩区二叠系山西组具有良好的页岩气形成地质条件,厚层泥页岩分布区如下寺湾区、云岩区北部黑家堡、关庄及研究区中部延安等,是页岩气成藏的有利发育区.

关键词(KeyWords)：鄂尔多斯盆地;山西组;页岩气;形成条件;生烃条件;储层特征;含气性

Abstract:

Keywords:

基金项目(Foundation):国家自然科学基金项目(41072098);; 国家科技重大专项(2011ZX05018-001-002);; 全国油气资源战略选区调查与评价国家专项(2009GYXQ-15)

作者(Author):宫美林;丁文龙;皮冬冬;蔡俊杰;张业倩;付景龙;姚佳利;

Email:

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