印度尼西亚库泰盆地油气地质特征及勘探方向  

Petroleum Geology and Exploration Prospect in Kutai Basin,Indonesia

作　　者：张强[1] 吕福亮 毛超林 范国章 王彬 王雪峰 

机构地区：[1]中国石油杭州地质研究院

出　　处：《海相油气地质》2012年第4期8-15,共8页Marine Origin Petroleum Geology

摘　　要：库泰盆地是印度尼西亚最大、最深的第三系含油气盆地,也是该国最主要的产油气盆地。盆地经历了断陷期、拗陷期和反转期三个发育阶段,充填的第三系沉积物厚度达14 km。盆地发育四套烃源岩,其中,中中新统三角洲平原煤和三角洲前缘碳质泥岩是滨浅海区有效烃源岩,上中新统富含碳质碎屑浊积岩是深水区有效烃源岩;油气纵向上主要富集于中中新统、上中新统及上新统,平面上主要富集于背斜构造中。综合分析认为,深海平原区上中新统斜坡扇、盆底扇砂岩是下库泰盆地潜在勘探领域,渐新统—下中新统是三马林达复背斜带有利勘探领域,始新统盆地边缘上超尖灭砂体是上库泰盆地潜在勘探领域,始新统—中新统台地生物礁是库泰盆地深层潜在勘探领域。Kutai Basin,the biggest and the deepest Tertiary petroliferous basin in Indonesia,has undergone development stages of basin faulting,depression and reversion and is filled with 14km thick Tertiary sediments.Four sets of source rocks develop in the basin,among which the middle Miocene littoral deltaic plain coal and delta front carbargillite and the upper Miocene deep-sea carbon-rich clastic turbidite are the effective source rocks.Hydrocarbon are enriched in the middle and upper Miocene and Pliocene rocks in longitudinal and within the anticlinal structures in plane.It is suggested that the petroleum potential areas are the upper Miocene deep-sea slope fan sandstone and basin-floor fan sandstone in Lower Kutai Basin,the Eocene basin-marginal onlap pinch-out sand bodies in Upper Kutai Basin,Oligocene-lower Miocene rocks in Samarinda composite anticline belt and the Eocene-Miocene deep platform organic reefs.

关 键 词：印度尼西亚 库泰盆地 油气地质特征 勘探潜力 含油气系统 

分 类 号：TE111.1[石油与天然气工程—油气勘探]