惠民凹陷大芦家断块东营组油气成藏控制因素研究  

CONTROL FACTORS OF DONGYING FORMATION IN DALUJIA AREA,HUIMIN SAG

作　　者：范立勇[1] 夏斌[1] 陈永红[2] 曹海防[1] 

机构地区：[1]中国科学院广州地球化学研究所中国科学院边缘海重点实验室 [2]胜利油田有限公司临盘采油厂,山东临邑251507

出　　处：《天然气地球科学》2007年第3期403-407,共5页Natural Gas Geoscience

基　　金：中国石化集团公司胜利油田有限责任公司临盘采油厂科技攻关项目"惠民凹陷基山砂体沉积体系及成藏规律研究";中国石化胜利油田有限责任公司委托的"济阳坳陷区域地质构造演化"项目下属二级课题"济阳坳陷下第三系地质构造演化"联合资助

摘　　要：通过研究胜利油田惠民凹陷大芦家断块东营组构造与沉积特征、油气成藏条件和勘探开发情况,指出了该区油气成藏的控制因素,认为构造格架控制了油气区域运移和聚集方向,临邑大断层下降盘形成的逆牵引滚动背斜构造控制了油气的平面分布,三级断层控制了油气聚集,地层和断层的组合关系控制了油气富集部位。Sandbodies of the Second Member of the Dongying Formation in the Dalujia area, Linpan Oilfield, are mainly lacustrine facies fluvial-dominated delta sedimentary system, and delta front subfacies are in the ascendant, which mainly include mouth-bar, subaquatic distributary channel, subsea natural barrier, crevass-splay, sheet sand, distal-bar and interdistributary embayment. The migration and accumulation of the Palaeogene in the study area, surrounded by sags with rich source rocks, were controlled by faults. The large and small faults were connected into a network. Hydrocarbons migrated along the fault planes in vertical direction and along the reservoirs in lateral direction, forming a networkblanket migration and accumulation pattern. The rich source rocks, favorable migration and accumulation conditions, as well as good reservoir-cap rock assemblages have led to the formation of oil and gas reservoirs.

关 键 词：三角洲前缘 油藏类型 控制因素 惠民凹陷 

分 类 号：TE122.3[石油与天然气工程—油气勘探]