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古地理学报 ›› 2004, Vol. 6 ›› Issue (2): 140-150. doi: 10.7605/gdlxb.2004.02.002

• 岩相古地理学及沉积学 • 上一篇    下一篇

江汉盆地潜江凹陷王场地区古近系潜江组沉积微相及其演变

王国力  杨玉卿  张永生  漆志先  乔悦东  袁赫然   

  1. 1 中国石化集团公司科技开发部 北京 100029
    2 中海油田服务股份有限公司油田技术事业部 北京 101149
    3 中国地质科学院矿产资源研究所 北京 100037
    4 中国石化股份有限公司江汉分公司勘探开发研究院 湖北潜江 433124
  • 出版日期:2004-04-01 发布日期:2004-04-01
  • 作者简介:王国力,男,1965年生,1997年毕业于石油大学并获博士学位,现在中国石化科技开发部工作,主要从事石油地质科研项目管理和研究工作。

Sedimentary microfacies and evolution of  the Qianjiang Formation of Paleogene at Wangchang area in Qianjiang Sag,Jianghan Basin

Wang Guoli  Yang Yuqing  Zhang Yongsheng  Qi Zhixian  Qiao Yuedong  Yuan Heran   

  1. 1 Department of Science and Technology Development of China Petroleum and Chemical Corporation,Beijing 100029
    2 Logging, WelltechChina Oilfield Services Limited , Beijing 101149
    3 Institute of Mineral and Resources of Chinese Academy of Geological Sciences, Beijing 100037
    4 Institute of Exploration and Development,  Jianghan Oilfield Division of China
     Petroleum and Chemical Corporation ,  Qianjiang 433124, Hubei
  • Online:2004-04-01 Published:2004-04-01
  • About author:Wang Guoli,born in 1965,received PhDDegree from University of Petroleum (Beijing)in 1997Now he is a senior engineer in the Department of Science and Technology Development of SINOPEC,and is engaged in research and project management of petroleum geology

摘要:

潜江凹陷是一个中新生代断陷型盐湖盆地。其中蕴藏着丰富的石油、天然气和盐。在始新世晚期—渐新世早期潜江组沉积期,湖盆的构造活动和沉积充填作用极为活跃,形成了厚达4500 m的含盐岩系。通过对凹陷西北部王场地区王平1井、王云10-6井和王80-2井取心段共约151 m岩心的精细研究,在潜江组古盐湖韵律性含盐岩系中识别出17个典型的微相类型,并按成因与形成环境和岩类归纳为7个微相系列,对每个微相的特征与形成环境进行了分析。在潜江组淡化段中,沉积微相的纵向演变过程或组合类型复杂多变,总体上由潜四段至潜二段组成,湖盆的蒸发强度越来越大,水深越来越浅。最后,对潜江盐湖的形成条件和沉积环境演化进行了扼要分析。

Abstract:

The Qianjiang Sag is a MesoCenozoic faulted saline basin, and bears abundant oil,gas and saltDuring the depositional period of the Qianjiang Formation (from Late Eocene to Early Oligocene),the tectonic activity and sedimentation infilling of the lacustrine basin were very active,thus forming the saltbearing rock series with a thickness of 4500 mThrough the detailed study on a total of about 151m thick cores in the interval of the Qianjiang Formation of wells Wangping 1,Wangyun 10-6 and Wang 80-2,of the Wangchang area,northwestern Qianjiang Sag,17 typical sedimentary microfacies are recognized,and 7 microfacies series are generalized according to origin,formation environment and rock typesThe characteristics of each microfacies are described,and the formation environment conditions are also analyzedThe evolution process or association types of the microfacies in the intervals between the salt beds of the Qianjiang Formation is complex and variousThe evaporation degree of the lacustrine basin was gradually increasing,and the water depth was gradually shallower from Member 4 to Member 2 of Qianjiang FormationAt last,the formation conditions of the Qianjiang saline basin and the evolution of the sedimentary environment are also analyzed briefly