绥滨坳陷滨页1井泥页岩地球化学特征

发布时间：2018-03-31 06:17

  本文选题：三江盆地　切入点：绥滨坳陷　出处：《非常规油气》2016年06期

【摘要】：通过对绥滨坳陷滨页1井泥页岩样品的岩石热解分析、族组分分析和色谱分析,系统分析了该井泥页岩的地球化学特征。结果表明:滨页1井发育穆棱组、城子河组及东荣组3套泥页岩层系。泥页岩有机质丰度较高,各项指标综合评价为中—好烃源岩,有机质类型以Ⅱ2型为主,其次为Ⅱ1型与Ⅲ型。类异戊二烯型烷烃Pr/Ph比值较大,总体位于1.0~3.0之间,为弱氧化环境。穆棱组与东荣组具甾烷C_(29)优势,代表陆源高等植物生源输入,城子河组为多源输入。镜质组反射率、甾烷成熟度、藿烷异构体比值均显示滨页1井泥页岩有机质成熟度已达到成熟阶段。综合地球化学分析表明,绥滨坳陷泥页岩具备较好的生烃潜力,具有较好的页岩气勘探前景。
[Abstract]:Through the analysis of rock pyrolysis, group composition analysis and chromatographic analysis of shale samples from well Binhui 1 in Suibin Depression, the geochemical characteristics of mud shale in this well are systematically analyzed. The results show that Muling formation is developed in well Binhui 1. There are three sets of shale strata in Chengzihe formation and Dongrong formation. The abundance of organic matter in shale shale is high. The comprehensive evaluation of each index is medium-good hydrocarbon source rock, the type of organic matter is mainly type 鈪，

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