论文详情
松辽南部早白垩世断陷期沉积相与成岩相
石油与天然气地质
1995年 16卷 第No.4期
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Title
SEDIMENTAL AND DIAGENETIC FACIES OF EARLY CRETACEOUS FAULT-SUBSIDENCE STAGE IN SOUTH SONGLIAO
Authors
Chen Zhenlin
Wang Guoshou
Wang Yu
Qing Chongwen
摘要
松辽南部早白垩世断陷期地层地震相分析显示,该时期冲积扇、三角洲、水下扇及扇三角洲沉积体系十分发育,是深部油(气)聚集的有利场所。登娄库组可分出:浅埋弱压实成岩相、晚表生溶蚀成岩相、深埋溶蚀成岩相、深埋压溶成岩相,以前二者为油气聚集的有利成岩相。
Abstract
The seismic analysis of the Early Cretaceous fault-subsidence stage in South Songliao Basin suggests that the depositional system including alluvial fan-delta, subaqueous fan, delta and fan-delta developed well, and they are favourable for oil and gas accumulation. The Denglouku Formation in the study area could be divided into shallow buried-weak compacted diagenetic factes,supergene dissolution diagenetic factes, deep-buried dissolution diagenetic factes and deep-buried compaction-dissolution diagenetic factes. The first two kinds are favourble factes for hydrocarbon accumulation.
关键词:
断陷期;
沉积相;
地震相;
成岩作用;
成岩相;