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苏北盆地金湖凹陷古近系戴南组重力流水道沉积
引用本文:张喜林,朱筱敏. 苏北盆地金湖凹陷古近系戴南组重力流水道沉积[J]. 内蒙古石油化工, 2011, 37(1)
作者姓名:张喜林  朱筱敏
作者单位:1. 中海油研究总院,北京,100027
2. 中国石油大学(北京)资源与信息学院,北京,102249
摘    要:金湖凹陷古近系戴南组发育重力流水道沉积.通过地震、测井、岩心和实验资料的分析,论述了重力流水道的成因、沉积特征和分布规律.重力流水道与间歇性洪水作用及其对先期未固结的三角洲沉积的冲刷、再搬运及沉积作用相关,分布于盆内顺源同沉积断层形成的断槽内,可分为主水道和侧缘两个亚相.建立了重力流水道的垂向沉积序列模式.研究表明,重力流水道是一种有利的油气储集相带.研究结果扩大了苏北盆地油气勘探领域.

关 键 词:苏北盆地  戴南组  重力流水道  断陷湖盆  同沉积断层  古近系

Sedimentary characteristics of gravity flow channel of Dainan Formation in Jinhu Sag,Subei Basin
ZHANF Xi-lin,ZHU Xiao-min. Sedimentary characteristics of gravity flow channel of Dainan Formation in Jinhu Sag,Subei Basin[J]. Inner Mongulia Petrochemical Industry, 2011, 37(1)
Authors:ZHANF Xi-lin  ZHU Xiao-min
Affiliation:ZHANG Xi-lin1,ZHU Xiao-min2(1.CNOOC Research Institute,Beijing 100027,2.China University of Petroleum,Beijing 102249)
Abstract:Gravity flow channel developed in Dainan Formation,Paleogene in Gaoyou Sag,Subei Basin.Based on the integrated analysis on the data of seismic,logging,core and laboratory rock tests,the sedimentary characteristics and distribution rules of gravity flow channel were discussed.The formation of gravity flow channel is due to the intermittent floodwater and its scouring,re-transportation,and re-deposition of sediments of delta.The gravity flow channel is developed along the fault-trough formed by syn-deposition...
Keywords:Subei Basin  Dainan Formation  Syn-Depositional Fault  Gravity Flow Channel  Faulted Lacustrine Basin  Pleogene  
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