油气地质

逆源坡折带的控砂作用———以陈家洼陷沙三段地层为例

  • 张昌民 ,
  • 尹太举 ,
  • 李少华 ,
  • 熊福均
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  • 1. 中国石油大学(北京) 资源与信息学院物探重点实验室,北京 102249 ; 2. 中国石油辽河油田分公司勘探开发研究院,辽宁盘锦 124010 ; 3. 中国石化石油勘探开发研究院,北京 100083 ; 4. 中国石油大庆油田有限公司,黑龙江大庆 163511
袁书坤,1982年生,男 ,在读硕士研究生,主要从事盆地分析、层序地层学研究。E-mail:ysk1982@163.com

网络出版日期: 2007-09-15

Sand control effect of reversed slop break:A case study from the third member of Shahejie Formation in Chenjia Depression

  • ZHANG Changmin ,
  • YIN Taiju ,
  • LI Shaohua ,
  • XIONG Fujun
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  • 1. Key Laboratory of Geophysical Exploration , Faculty of Resources and Information , China University of Petroleum , Beijing 102249 , China; 
    2. Research Institute of Petroleum Exploration and Development, Liaohe Oilfied Company , PetroChina , Panjin 124010 , China;
    3. Research Institute of Petroleum Exploration and Development, Sinopec , Beijing 100083 , China;
    4. Daqing Oilfield Company Limited , PetroChina , Daqing 163511 , China

Online published: 2007-09-15

摘要

坡折带理论是层序地层学在陆相盆地应用中的新发展,前人的研究大多局限在顺源坡折方面,认为顺源坡折附近是低位域的有利发育区,易于形成地层岩性圈闭,而对于逆源坡折带控砂却很少提到。在对陈家洼陷的研究中,发现该区沙三下亚段中上部地层有继承性发育的多级次坡折带,且在各地层沉积时期坡折带的作用方式及大小存在差异。在坡折带识别及分析其与有利目标圈闭关系的基础上,重点提出了在具快速充填史的中小型断陷湖盆中,逆源坡折带对砂体发育的控制作用,即逆源坡折的倾斜程度及其与沉积物搬运方向的夹角大小控制了逆源坡折带附近的砂体分布形态。

本文引用格式

张昌民 , 尹太举 , 李少华 , 熊福均 . 逆源坡折带的控砂作用———以陈家洼陷沙三段地层为例[J]. 岩性油气藏, 2007 , 19(3) : 54 -58 . DOI: 10.3969/j.issn.1673-8926.2007.03.010

Abstract

The theory of slope break is a new achievement of sequence stratigraphy applied in continental basins. The former research showed that the slope breaks along source area direction are favorable for the generation of stratigraphic lithological t raps because of that the lowstand system tracts are easily developed in this area. The research on Chenjia Depression shows that mutual grade slope breaks are developed in the lower third member of Shahejie Formation. The controlling pat terns of the slope breaks in different depositional stages are different. Based on the slope breaks identification and the analysis of the relationship between the slope breaks and the favorable target traps, the controlling effect of the slope breaks opposing source area direction on sandstone distribution is proposed , especially in the middle and small faulted lake basins with rapid filling.

参考文献

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