THE RESEARCH OF SEQUENCE STRATIGRAPHY AND DEPOSITIONAL MODEL OF SHAHEJIE FORMATION IN CHEZHEN SAG

Xinjiang Oil & Gas ›› 2007, Vol. 3 ›› Issue (1): 1-4.

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THE RESEARCH OF SEQUENCE STRATIGRAPHY AND DEPOSITIONAL MODEL OF SHAHEJIE FORMATION IN CHEZHEN SAG

Online:2007-03-10 Published:2007-03-10

车镇凹陷沙河街组层序地层与沉积特征研究

王蛟

中石化胜利油田博士后科研工作站,山东,东营,257015;中石化胜利油田孤岛采油厂,山东,东营,257231

基金资助:
国家科技攻关计划(2001BA605A09)%中国石油化工股份有限公司资助项目(P01013)

Abstract

摘要： 车镇凹陷是一个典型的北断南超的断陷盆地.沙河街组三段～一段地层可划分为2个二级层序和4个三级层序,层序演化体现了凹陷的深陷期、稳定沉降期、断陷萎缩期和凹陷整体抬升后再次扩张期阶段.区内主要发育有近岸水下扇、扇三角洲、三角洲、湖底扇和湖泊相等相类型,可概括为北部陡坡带、洼陷带和南部缓坡带三种沉积模式,在层序内不同体系域时期,沉积体系体现出各自的发育特点和展布规律.

关键词: 车镇凹陷, 层序格架, 沉积相, 沉积模式

CLC Number:

TE121.3

王蛟. 车镇凹陷沙河街组层序地层与沉积特征研究[J]. 新疆石油天然气, 2007, 3(1): 1-4.

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THE RESEARCH OF SEQUENCE STRATIGRAPHY AND DEPOSITIONAL MODEL OF SHAHEJIE FORMATION IN CHEZHEN SAG

车镇凹陷沙河街组层序地层与沉积特征研究

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