天然气地球科学 ›› 2011, Vol. 22 ›› Issue (1): 56–65.doi: 10.11764/j.issn.1672-1926.2011.01.56

• 天然气地质学 • 上一篇    下一篇

鄂尔多斯盆地南部奥陶系古岩溶发育控制因素及展布

姚泾利, 王兰萍, 张庆, 李泽敏, 张加林   

  1. 1.长庆油田公司勘探开发研究院,陕西 西安 710021;
    2.长庆油田工程技术发展研究中心,陕西 西安 710054;
    3.西安地研石油科技开发有限公司,陕西 西安 710054
  • 收稿日期:2010-04-10 修回日期:2010-06-22 出版日期:2011-02-10 发布日期:2011-02-10
  • 通讯作者: 姚泾利yaojingli_cq@petrochina.com.cn E-mail:yaojingli_cq@petrochina.com.cn
  • 作者简介:姚泾利(1965-),男,陕西泾阳人,高级工程师,博士,主要从事油气地质勘探管理与研究.
  • 基金资助:

    国家科技重大专项“四川、塔里木、鄂尔多斯盆地海相碳酸盐岩储层形成机理与有利储层分布预测”(编号:2008ZX05004-002)资助.

Controlling Factor and Distribution of Paleo karst Development  in Ordovician of Southern Ordos Basin

YAO Jing-Li, WANG Lan-Ping, ZHANG Qiang, LI Ze-Min, ZHANG Jia-Lin   

  1. 1.Exploration and Development Research Institute of PetroChina Changqing Oilfield Company,Xi′an 710021,China;
    2.Research Center for Engineering and Technology Development ofPetroChina Changqing Oilfield Company, Xi′an 710021,China;3. Xi′an Diyan Petroleum Technology Development Co.Ltd., Xi′an 710054,China
  • Received:2010-04-10 Revised:2010-06-22 Online:2011-02-10 Published:2011-02-10

摘要:

鄂尔多斯盆地南部奥陶系碳酸盐岩经历了多期次、多类型古岩溶作用和改造,古岩溶的发育主要受古构造背景、岩性组合特征以及古地质、古地貌形态的共同控制,尤以古地质和古地貌的控制作用最为重要。在“野外填图法”、“印模法”与“残厚法”研究的基础上,充分应用了地震相追踪和地震解释的成果,对鄂尔多斯盆地南部的古地质和古地貌形态进行了详细的刻画,由南向北依次分布岩溶高地、岩溶台地、侵蚀坡地,并在侵蚀坡地广泛发育侵蚀浅槽、侵蚀坑和溶丘、溶梁等次一级地貌形态。各类古岩溶因形成背景和古水文条件不同,其有利发育区的分布存在着明显差异。

关键词: 鄂尔多斯盆地, 奥陶系, 古岩溶, 古地质, 古地貌, 岩溶展布

Abstract:

The Ordovician carbonate suffers from multi-stage and multi-type paleo\|karst in south of Ordos basin. The development of paleo-karst is controlled by ancient tectonic setting, lithologic association characteristics, and especially ancient geology and landform. On the basis of field mapping method, impression method, residual thickness method, and according to the result of  seismic facies trace and seismic interpretation, the paper depicts ancient geology and ancient landform in detail in south of Ordos basin. From south to north, ancient landform is divided into karst highland, karst platform and eroded slope. The eroded slope is furthermore divided into the erosion shallow grooves, erosion pits, karst hills and karst beams. Due to the different paleo\|karst background and paleohydrologic conditions, the distribution of favorable areas is obviously different.

Key words: Ordos basin, Ordovician, Ancient karst, Palaeogeology, Ancient landform, Karst development.

中图分类号: 

  • TE121.3+1

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