加蓬海岸盆地油气地质特征及勘探前景  

Petroleum Geological Features and Exploration Prospect of Gabon coastal Basin

作　　者：饶轶群[1] 

机构地区：[1]中石化华东分公司石油勘探开发研究院,江苏南京210011

出　　处：《内蒙古石油化工》2012年第1期147-149,共3页Inner Mongolia Petrochemical Industry

摘　　要：加蓬海岸盆地是非洲主要的产油气盆地之一,也是世界关注的油气产区和勘探活动活跃的地区。盆地属典型大陆裂谷和被动陆缘叠合盆地,主要分为北加蓬次盆、南加蓬次盆和内陆次盆。以阿普第阶埃詹加组盐层为界,可将地层分为盐上和盐下两套勘探层系。北加蓬次盆主要的勘探层系为盐上,南加蓬次盆主要的勘探层系为盐下。阿执尔组、马迪拉、开普-罗佩斯角、梅拉尼亚组和基辛达组泥岩是主要的烃源岩,主要的储层为安圭莱组、巴坦加组、甘巴组和登泰尔组砂岩。油气系统主要3个:阿执尔/安圭莱—安圭莱、马迪拉/开普-罗佩斯角—巴坦加和梅拉尼亚—登泰尔/甘巴。加蓬海岸盆地具有丰富的石油资源背景,生储盖配置关系好,有良好的勘探前景。The Gabon Coastal Basin is one of the main oil and gas producing basins in Africa and it is also one of the hydrocarbon production areas with world concern and hotspot of exploration.It is rift-passive continental margin basin,which is mainly divided into north subbasin,south subbasin and interior basin.Ezanga salt that is in transitional phase divides the sediments into presalt section and postsalt section.The main exploration strata of North subbasin is postsalt section,and the main exploration strata of South subbasin is presalt section. The major source intervals are Azile,Cap Lopez,Madiela,Melania and Kissenda.The Anguille,Batanga,Gamba and Dentale sandstone are principal reservoir beds.Three hydrocarbon systems develop in Gabon Coastal Basin,Azile/Anguille—Anguille,Madiela/Cap Lopez—Batanga and Melania—Dentale/Gamba.The Gabon Coastal Basin is of great hydrocarbon resources and good exploration prospect.

关 键 词：大陆裂谷 被动陆缘 加蓬海岸盆地 含油气系统 勘探前景 

分 类 号：P618[天文地球—矿床学]