【摘 要】
：
利用埃及尼罗河三角洲El-Wastani气田10口气井的测井数据,对该气田主要储集层上中新统Qawasim组和Abu Madi组进行岩石物理分析,利用测井参数交会图进行岩性分析,并评估泥质含
【机 构】
：
利比亚苏尔特大学工程学院石油工程系,埃及苏伊士运河大学石油与矿物工程学院地质系,埃及石油研究院(EPRI)勘探部,埃及苏伊士运河大学科学学院地质系,加拿大西安大略大学科学学院地球科学系
论文部分内容阅读
利用埃及尼罗河三角洲El-Wastani气田10口气井的测井数据,对该气田主要储集层上中新统Qawasim组和Abu Madi组进行岩石物理分析,利用测井参数交会图进行岩性分析,并评估泥质含量、孔隙度、含水饱和度、含油气孔隙体积等参数.分析各井中子孔隙度-密度交会图、中子孔隙度-无铀伽马交会图和岩性-饱和度交会图发现:下Abu Madi组主要为砂岩,偶夹页岩；Qawasim组主要为页岩,偶夹砂岩.利用参数交会图及无铀伽马测井结果,得到有效产层各参数的临界值分别为:泥质含量50％,孔隙度10％,含水饱和度70％.分别绘制了产层有效厚度、平均孔隙度、泥质含量、含水饱和度等参数的等值线图,综合分析发现,研究区Qawasim组和Abu Madi组碎屑岩为优质储集层,天然气有利聚集区呈北西—南东向展布,中部尤为有利.
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