单祥;季汉成;贾海波;孟培伟;康乐;

• 1:中国石油杭州地质研究院

• 2:中国石油大学(北京)地球科学学院

摘要(Abstract)：

德惠断陷下白垩统登娄库组、营城组、沙河子组储层物性差,勘探风险大.利用岩心观察、铸体薄片鉴定、扫描电镜分析、黏土X线衍射分析等方法,分析储层基本特征、储层成岩作用和控制因素.结果表明:德惠断陷下白垩统碎屑岩储层成分成熟度和结构成熟度较低,储层孔隙类型主要有残余原生孔、次生孔和混合孔,储层物性和孔隙结构较差;压实作用是导致储层物性变差的主要原因,溶蚀作用改善储层物性;纵向上发育2个次生孔隙带,主要形成于中成岩期,次生孔隙带的形成与有机质生烃排酸和断裂有关.研究结果为德惠断陷下白垩统进一步油田勘探提供地质依据,对其他地区类似储层研究有一定借鉴意义.

关键词(KeyWords)：松辽盆地;德惠断陷;储层特征;成岩作用;控制因素

Abstract:

Keywords:

基金项目(Foundation):国家重点基础研究发展计划(973计划)项目(2014CB239002)

作者(Author):单祥;季汉成;贾海波;孟培伟;康乐;

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