对层序地层学工业化应用中层序分级混乱问题的探讨

于兴河; 姜　辉; 李胜利; 陈永峤

doi:10.3969/j.issn.1673-8926.2007.01.002

岩性油气藏 >

2007 , Vol. 19 >Issue 1: 9 - 15

DOI: https://doi.org/10.3969/j.issn.1673-8926.2007.01.002

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对层序地层学工业化应用中层序分级混乱问题的探讨

于兴河 ,
姜　辉 ,
李胜利 ,
陈永峤

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1. 中国石油大学(北京) 资源与信息学院; 2. 教育部油气藏勘探国家重点实验室

王英民,1954年生,男,博士,教授,主要致力于应用层序地层学、地层岩性圈闭形成条件、机理和预测方法、地震储层预测技术方法、含油气盆地分析等方向的研究。地址:(102249)北京昌平中国石油大学资源与信息学院。电话:(010)89733506。E-mail:wym3939@vip.sina.com

网络出版日期: 2007-03-15

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Analysis of the mess in sequence hierarchy applied in the industrialized application of the sequence stratigraphy

YU Xinghe ,
J IANG Hui ,
LI Shengli ,
CHEN Yongqiao

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1. Resources and Information Institute, China University of Petroleum (Beijng ) ;
2. State Key Laboratory of the Hydrocarbon Resource and Prospecting , Ministry of Education

Online published: 2007-03-15

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摘要

层序分级混乱是制约层序地层学工业化应用的关键问题之一。层序分级混乱的原因主要在于不同学者对层序发育主控因素的理解不同, 对层序界面的把握有别, 混淆了旋回性和阶段性。该文提出了在层序地层学工业化应用中克服层序级别混乱问题的对策, 从油气勘探开发的实用性出发, 提出3 个层次、六级层序、兼顾旋回性和阶段性的分级方案, 以三级层序作为标准层序, 将其按一定原则可组合成一、二级层序, 按一定原则可细分为四、五、六级层序。三级层序划分的唯一标准就是以不整合面为界, 内部没有明显的不整合面, 并可根据首次水进面和最大水进面划分出多个体系域。四级层序就是体系域, 不具有旋回性。按地震资料可分辨性将三级层序分为A、B 两类。3 个层次大体上与盆地分析与资源评价、区带评价与目标预测、油藏描述与滚动勘探开发3 个大的勘探阶段相对应。四级层序在沉积相编图和岩性地层圈闭发育有利区带预测中最为重要。

关键词： 陆相断陷盆地; 东营凹陷; 沉积充填模式; 岩性地层圈闭

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于兴河 , 姜　辉 , 李胜利 , 陈永峤 . 对层序地层学工业化应用中层序分级混乱问题的探讨[J]. 岩性油气藏, 2007 , 19(1) : 9 -15 . DOI: 10.3969/j.issn.1673-8926.2007.01.002

Abstract

The mess and absence of unified criterion of sequence hierarchy have constrained the industrialized application and its assurance and effect. The origin of the present confusion mainly contributes to the different analysis about the control on sequence pattern which lead to them issue of both nomenclature cyclist and stage. Based on the practical effect and feasibility and consideration of both cyclist and stage, a suite of terminology system is presented. Firstly 3rd sequence is considered as the base which can be grouped into 2nd or 1st order sequence or subdivided in to 4th, 5th even 6th sequence based on the suite of criterion. The only criterion of the division of 3rd sequence is the unconformity, which also implies the absence of the unconformity in such sequence. Owning to such base, the system tracts can be discriminated and divided according to the first flooding surface and the maximum flooding surface. So called 4th sequence is a system tract practically with no cyclist. Based on the reconcilability of seismic data, the 3rd sequence can be subdivided in to A and B type. Such three hierarchies could correspond to the basin analysis & resource evaluation, play evaluation and objective prediction, reservoir characterization and progressive exploration and development respectively. Among the above mentioned terminology, the 4th sequence plays the key role in sedimentary mapping and the prediction of the promising area of the subtle traps.

Key words： fault basins of terrestrial facies; Dongying Sag; depositional filling model; lithologic and stratigraphic trap

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