苏北盆地高邮凹陷阜宁组油气成藏期研究  

Analysis on Hydrocarbon Accumulation Period of Funing Formation in Gaoyou Sag,Subei Basin

作　　者：吴向阳[1] 高德群[1] 

机构地区：[1]中国石化江苏油田分公司物探技术研究院,江苏省南京市210046

出　　处：《中国石油勘探》2011年第4期37-41,86,共6页China Petroleum Exploration

摘　　要：在前人研究的基础上,对苏北盆地高邮凹陷阜宁组的埋藏史、热演化史和生烃史进行了数值模拟,分析了流体包裹体岩相特征及均一温度。研究认为,阜宁组经历持续沉降—抬升—再沉降的过程,从古新世阜宁末期到始新世三垛末期大量生烃,油气在始新世三垛期开始连续充注成藏。油气充注深凹带早于北斜坡,三垛期为高邮凹陷主要成藏时期。油气主要成藏期与烃源岩大量生排烃期和圈闭形成时间匹配,有利于该区油气充注成藏。This paper runs a numerical simulation of the history of burial,thermal evolution and hydrocarbon generation in Funing Formation,and analyzes lithofacies features and homogeneous temperature of fluid inclusions,based on previous study.The results show that hydrocarbon source rock in Funing Formation experienced continual subsidence period,lifting period and resubsidence period in turn.Hydrocarbon was generated from the late Paleocene Funing Formation to the late Eocene Sanduo Formation,and continuously charged and accumulated at Eocene Sanduo Formation.The infill injection of the deep concave zone occurred earlier than that of the north slope.It could be judged that the Sanduo period was the main hydrocarbon accumulation period of Gaoyou Sag.The main hydrocarbon accumulation period matches with the hydrocarbon generation and exclusion period and the trap formation period,which is favorable for hydrocarbon accumulation in the area.

关 键 词：苏北盆地 高邮凹陷 阜宁组 成藏期 热演化 流体包裹体 

分 类 号：TE112.3[石油与天然气工程—油气勘探]