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li shu duan xian su jia tun di qu cheng cang tiao jian ji zhu kong yin su fen xi
Author(s): 
Pages: 29-32
Year: Issue:  2
Journal: Petroleum Geology and Engineering

Keyword:  梨树断陷苏家屯地区成藏条件圈闭主控因素;
Abstract: 为探索苏家屯油气富集规律,通过对松辽盆地梨树断陷苏家屯次洼基本地质条件分析表明:苏家屯次洼发育沙河子组与营一段两套烃源岩,以半深湖暗色泥岩沉积为主,受桑树台断裂北段控制,主要来源于沙河子组烃源岩,与苏家屯东部断阶带上部储层形成近源侧向运移为主的自生自储型油气藏.研究认为苏家屯东部断阶带以曲家屯断裂带为油气输导主要路径,而其它断层多以封堵作用为主,主要呈现近源断块油气相对富集、沉积相带控制储层发育边界、砂体物性控制油气聚集层段的特点.
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