沾化凹陷沾38断块东营组残余地层高分辨率层序地层研究

英文篇名：Study of High Resolution Sequence Stratigraphy of Dongying Formation in Block Zhan 38 of Zhanhua Depression
中文刊名：石油天然气学报
英文刊名：Journal of Oil and Gas Technology
作者：李振华 ; 邱隆伟 ; 董春梅 ; 孙宝强 ; 张怀吉 ; 徐福刚 ; 陈国强
英文作者：LI Zhen-hua ; QIU Long-wei ; DONG Chun-mei ; SUN Bao-qiang ; ZHANG Huai-ji ; XU Fu-gang ; CHEN Guo-qiang(First Author's Address ; College of Georesources and Information ; China University of Petroleum ; Qingdao 266555 ; Shandong ; China)
中文关键词：残余地层 ; 高分辨率层序地层学 ; 基准面旋回 ; 湖泛面 ; 深度开发
英文关键词：residual stratum ; high resolution sequence stratigraphy ; base-level cycle ; pan-lake surface ; deep development
出版日期：2011-12-15
机构：中国石油大学(华东)地球资源与信息学院;胜利油田河口采油厂地质研究所;
年：2011
期：12
出版单位：石油天然气学报

摘要

沾化凹陷沾38断块经历多期强烈构造运动,地层往往呈残余状态。通过地震相、沉积相、岩石相及测井相综合研究,较为详细地分析了沾38断块东营组不同级次基准面旋回界面和湖泛面的成因类型及高分辨率层序地层学特征,并对地层缺失层段和层序进行了确定和恢复,共识别出了1个长期、3个中期和17个短期基准面旋回,并在等时地层格架内进行砂体的追踪识别。研究结果表明,所建立的标准剖面可用来有效识别不同成因类型的地层缺失和缺失厚度,高分辨率层序地层学在该油田深度开发阶段有着广阔的应用前景。
Fault Block Zhan 38 experienced multi-phase intense tectonic movements.Strata there were in residual state.Through the comprehensive analysis of seismic facies,sedimentary facies,lithofacies,log-facies and under the guidance of the theory of the high-resolution sequence stratigraphy,the base-level cycle of different grades and the genetic type of pan-lake surface and the characteristics of the high-resolution sequence stratigraphy were studied,and the missing strata and sequence of Dongying formation in Zhan 38 block were determined and restored.There 1 long,3 middle and 17 short base-level cycles were recognized.Sand-bodies were recognized within the chrono-stratigraphic framework.The result indicates that the set standard section can be used for recognizing the missing strata and the missing thickness effectively.The high resolution sequence stratigraphy has a prospective application at the stage of deep development of oil fields.

引文

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