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草桥-广饶潜山油气藏特征
引用本文:马丽娟,何新贞,陈海云.草桥-广饶潜山油气藏特征[J].石油与天然气地质,2002,23(1):96-98.
作者姓名:马丽娟  何新贞  陈海云
作者单位:1. 中国地质大学,湖北武汉,430074
2. 胜利石油管理局物探研究院,山东东营,257100
摘    要:草桥广饶潜山位于东营凹陷南斜坡南段,发育于印支运动末期。该潜山由于处于构造高部位,受多期构造运动影响,断层及不整合面发育,具有良好的油气运移通道,沙河街组四段烃源岩生成的油气多沿此运移至潜山成藏。奥陶系为主要储集层,储集空间主要为裂缝、溶蚀孔、洞。区域盖层为馆陶组、沙河街组四段及孔店组的泥岩层。溶蚀作用、潜山构造形态及盖层的分布是决定潜山能否成藏的主控因素。目前,该潜山已发现了顶部和内幕两类油气藏。

关 键 词:潜山  奥陶系  控制因素  油藏类型  东营凹陷
文章编号:0253-9985(2002)01-0096-03

CHARACTERISTICS OF BURIED HILL OIL POOLS IN CAOQIAO-GUANGRAO
Ma Lijuan\ \ He Xinzhen\ \ Chen Haiyun\.CHARACTERISTICS OF BURIED HILL OIL POOLS IN CAOQIAO-GUANGRAO[J].Oil & Gas Geology,2002,23(1):96-98.
Authors:Ma Lijuan\ \ He Xinzhen\ \ Chen Haiyun\
Affiliation:Ma Lijuan\ 1\ He Xinzhen\ 2\ Chen Haiyun\ 2
Abstract:Caoqiao Guangrao Buried hill is situated in the south section of the south slope of Dongying Depression and developed in late Indosinian stage.The buried hill is in structural culmination,faults and unconformities developed well in the buried hill,so it has favourable migration pathways.Ordovician sediments are the main reservoir rocks,fractures,solution cavities and pores are the major preserving spaces;Sha 4 submember Kongdian Formation mudston is regional cap rock.Solution,buried hill structural pattern and cap rock distribution were the controlling factors of oil pool forming.Now top and inside oil pools have been discovered in the buried hill.
Keywords:buried hill  Ordovician System  controlling factor  oil pool type  Dongying Depression
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