天然气地球科学

• 天然气地质学 • 上一篇    下一篇

鄂尔多斯盆地华庆地区长613储层流动单元划分与展布

徐铮,傅强,惠萧,李璟,李士祥,李祥同   

  1. 1.同济大学海洋与地球科学学院,海洋地质国家重点实验室,上海 200092; 2.中国石油长庆油田勘探开发研究院,低渗透油气田勘探开发国家工程实验室,陕西 西安 710018; 3.中国石化胜利油田分公司东胜公司,山东 东营 257000
  • 收稿日期:2018-07-14 修回日期:2018-09-22 出版日期:2018-12-10
  • 通讯作者: 傅强(1964-),男,上海人,教授,博士,主要从事石油地质与勘探研究与教学工作. E-mail:fuqiang@tongji.edu.cn.
  • 作者简介:徐铮(1994-),男,山东东营人,硕士研究生,主要从事构造地质学研究.E-mail:xuzhengouc@163.com.
  • 基金资助:
    国家科技重大专项“大型油气田及煤层气开发”(编号:2016ZX05050;2017ZX05001002)联合资助.

Division and distribution of flow units of Chang 613reservoir in Huaqing area,Ordos Basin

Xu Zheng,Fu Qiang,Hui Xiao,Li Jing,Li Shi-xiang,Li Xiang-tong   

  1. 1.School of Ocean and Earth Science,Tongji University;State Key Laboratory of Marine Geology,Shanghai 200092,China; 2. Exploration and Development Institute of Changqing Oilfield Company,CNPC;National Engineering Laboratory for Exploration  & Development of Low-Permeability Oil & Gas Field,Xi’an 710018,China; 3.Dongsheng Production Plant,Shengli Oil Field Company,Dongying 257000,China
  • Received:2018-07-14 Revised:2018-09-22 Online:2018-12-10

摘要: 鄂尔多斯盆地华庆地区三叠系延长组长613砂层组是典型的低孔低渗致密砂岩储层。通过铸体薄片和扫描电镜等资料并结合主要成岩作用分析,该砂层组砂岩储层可以分成8种成岩相,对应了5种成岩组合:建设性胶结—溶蚀作用、建设性胶结作用或溶蚀作用、破坏性胶结—溶蚀作用、破坏性胶结作用及机械压实作用。在成岩组合背景的基础上提出了划分流动单元新的思路和方法:利用K-means聚类方法,基于华庆地区608口井的储层参数数据,以及长613砂层组沉积微相分布,划分了5类流动单元,研究成果对预测有利勘探区具有重要的应用价值。



关键词: 鄂尔多斯盆地, 华庆地区, 长613储层, 流动单元

Abstract: The Chang61 sand set of Triassic Yanchang Formation in Huaqing area of Ordos Basin is a typical tight sandstone reservoir with low porosity and low permeability.Through the analysis of casting thin sections and scanning electron microscope and combined with main diagenesis,the sandstone reservoir of this sand set can be divided into eight diagenetic facies which corresponding to 5 diagenetic assemblages:constructive cementation and dissolution,constructive cementation or dissolution,destructive cementation and dissolution,destructive cementation and mechanical compaction. A new idea and method for dividing the flow unit is proposed on the basis of the diagenetic assemblage background. By using the K-means clustering method,the flow unit is divided into 5 categories through 608 wells’ reservoir parameter data and the sedimentary microfacies in this area,which can provide important application values for the prediction of favorable exploration area.

Key words: Ordos Basin, Huaqing area, ChangOrdos Basin, Huaqing area, Chang 613 reservoir, Flow unitreservoir, Flow unit

中图分类号: 

  • TE122.2
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