陈庆;史建南;朱利东;黄炜;杨文光;陶刚;和源;李超;胡承飞;

• 1:成都理工大学沉积地质研究院

• 2:西藏自治区地质调查院

摘要(Abstract)：

以中仓盆地古近系丁青湖组为研究对象,根据烃源岩地球化学数据分析,探讨研究区丁青湖组生烃潜力及沉积有机相。结果表明:中仓盆地中丁青湖组灰岩、泥灰岩和泥岩为主要烃源岩。其中,灰岩、泥灰岩有机碳平均质量分数为0.33%,泥岩有机碳平均质量分数为0.32%,属于较差烃源岩;有机质类型为以Ⅱ1型为主的混合Ⅱ型,烃源岩热解峰温为422~446℃,镜质体反射率为0.48%~0.59%,属于低成熟阶段。根据显微组分将沉积有机相划分为湿地草本混生(沼泽)相。综合数据分析表明中仓盆地不具有较好的生烃潜力。这对认识中仓盆地油气勘探价值,以及在伦坡拉盆地群中寻找油气具有指导意义。

关键词(KeyWords)：中仓盆地;丁青湖组;生烃潜力;沉积有机相;西藏

Abstract:

Keywords:

基金项目(Foundation):

作者(Author):陈庆;史建南;朱利东;黄炜;杨文光;陶刚;和源;李超;胡承飞;

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