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天然气地球科学 ›› 2012, Vol. 23 ›› Issue (2): 244–250.doi: 10.11764/j.issn.1672-1926.2012.02.244

• 天然气地质学 • 上一篇    下一篇

大庆长垣杏5X区块葡一组高分辨率层序叠加样式与沉积格局

 陈建阳, 李国永, 于兴河, 王辉   

  1. 1.中国石油勘探开发研究院，北京 100083；
    2.中国石油冀东油田公司，河北 唐山 063200；
    3.中国地质大学(北京)能源学院，北京 100083
  • 收稿日期:2011-06-08 修回日期:2012-01-20 出版日期:2012-04-10 发布日期:2012-04-10
  • 通讯作者: 陈建阳aacjy@126.com. E-mail:aacjy@126.com.
  • 作者简介:陈建阳(1978-)，男，山东莱阳人，工程师，博士后,主要从事油藏描述与储层地质建模等方面的研究.E-mail：aacjy@126.com.
  • 基金资助:

    高等学校博士学科点专项科研基金(编号：20050491001)资助.

High-resolution Sequence Stacking Patterns and Sedimentation Distribution in Puyi  Formation in 5Xth Zone of Xingshugang Oilfield,Daqing Placanticline

 CHEN  Jian-Yang, LI  Guo-Yong, YU   Xin-He, WANG  Hui-   

  1. 1.Research Institute of Petroleum Exploration and Development,PetroChina,Beijing 100083,China;
    2.Jidong Oilfield Company,PetroChina,Tangshan 063200,China;3.School of Energy Resources,
    China University of Geosciences,Beijing 100083,China
  • Received:2011-06-08 Revised:2012-01-20 Online:2012-04-10 Published:2012-04-10

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摘要：

大庆长垣杏5X区块葡一组为河控浅水型三角洲沉积体系，以岩心描述和测井曲线综合分析为基础，对葡一组进行高分辨率层序地层学研究，识别出古暴露、冲刷面与岩性转换面等3类层序旋回界面，将其划分为2个中期旋回、4个短期旋回和12个超短期旋回,并详细研究三角洲沉积体系中超短期旋回和短期旋回的沉积序列、结构类型和叠加样式。通过逐井高分辨率层序分析与划分，建立短期与超短期旋回的层序地层格架，分析层序格架内地层展布规律，并以此为基础，阐述在层序格架控制下葡一组4个短期旋回的成因砂体叠置样式、沉积演化规律及砂体分布特征，为开发调整期剩余油研究提供地质依据。

关键词: 三角洲, 高分辨率, 层序, 叠加样式, 葡一组

Abstract:

Based on comprehensive analysis of core and well logs,we study the high solution sequence of the Puyi Formation in 5Xthzone of Xingshugang oilfield of Daqing placanticline as a set of fluvial dominated shallow\|water delta and identify three types of sequence interface,such as paleo-exposed surfer,flooding surface and lithologic transitional surface.Based on sequence cyclicity and sedimentology response caused by different grade base-level change,the Puyi Formation can be divided into two middle-term sequence cycles(MSC),4 short-term sequence cycles(SSC),and twelve super-short-term sequence cycles(Sup-SSC).We also discuss sedimentary sequence,structure type and stacking pattern in detail.According to high-resolution isochronous stratigraphic correlation of turnround boundaries of different order base-level including short and super-short termcycle sequence,we setup the sequence framework in the scale of super-short-term base-level cycle as an isochronous unit.We discuss the sequence distribution within the sequence framework,and then illustrate the overlay style of genetic sandstones,sedimentary evolution and sandbody distribution of 4 short cycles.These results will provide the geological evidence for the remaining oil recognition in the late period of development.

Key words: Delta, High-resolution, Sequence, Stacking pattern, Puyi Formation.

中图分类号: 

  • TE121.3+4

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