天然气地球科学 ›› 2010, Vol. 21 ›› Issue (2): 238–242,262.doi: 10.11764/j.issn.1672-1926.2010.02.238

• 天然气地质学 • 上一篇    下一篇

鄂尔多斯盆地麻黄山地区油气分布及成藏特征

谢世文, 张哨楠, 丁晓琪, 冯一波, 吴早平   

  1. (1.成都理工大学油气藏地质及开发工程国家重点实验室,四川 成都 610059;
    2.华北石油局录井公司研究所,河南 郑州 450000)
  • 收稿日期:2009-06-03 修回日期:2009-07-28 出版日期:2010-04-10 发布日期:2010-04-10
  • 通讯作者: 谢世文xsw_home@foxmail.com. E-mail:xsw_home@foxmail.com.
  • 作者简介:谢世文(1985-),男,福建三明人,硕士研究生,主要从事储层地质学与地球化学研究.

Distribution and Accumulation of Oil and Gas in Mahuangshan Region,Western Ordos Basin

 XIE  Shi-Wen, ZHANG  Shao-Nan, DING  Xiao-Qi, FENG  Yi-Bo, TUN  Zao-Ping   

  1. 1.State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation Chengdu University of Technology,Chengdu 610059,China;
    2. Institute of North Petroleum Bureau Company for Logging, Zhengzhou 450000,China
  • Received:2009-06-03 Revised:2009-07-28 Online:2010-04-10 Published:2010-04-10

摘要:

随着麻黄山地区油气开发的深入,油气分布的非均质性日益明显。通过对各区带典型井区油水分布规律的研究,采用录井、岩心及测井资料等,发现研究区油气分布、成藏组合、成藏体系在不同区带(西缘冲断带、中央凹陷带和东部凸起带)、不同层位有明显差异。油区“油源”充足,成藏条件在纵横向的配置良好,圈闭距油源的远近、运移通道、圈闭有效程度对油气藏形成的控制作用显著,成藏主要受构造影响。西缘冲断带发育断块油藏和断背斜(鼻)油藏,油藏面积小、油柱高度大;中央凹陷带主要为致密低渗岩性油藏,油藏面积大、油柱高度小;东部凸起带,主要为背斜岩性油藏。

关键词: 油气分布, 成藏组合, 成藏体系, 麻黄山

Abstract:

With petroleum exploitation in Mahuangshan region, malconformation of oil and gas distribution is increasingly obvious. Based on characteristics of oil and water distribution in typical blocks, distribution and accumulation of oil and gas in different belts (i.e. western thrust belt, central depression belt and eastern convex belt) and different layers is various, in combination with well logging, core and log information. In region of sufficient petroleum, reservoir conditions were vertically and horizontally allocated as well. The petroleum accumulation was controlled by distance between petroleum source and trap, migration pathway and effectiveness of trap, but the main factor is structural activity. The main type of oil reservoir in the western thrust belt is fault-block reservoir and fault-anticline (or fault-nose) with small area and high oil column. In the central depression belt, the main type of reservoir is tight low-permeability lithologic reservoir with large area and high oil column. In contrast, the reservoir type in the eastern convex belt is anticlinal\|lithologic reservoir.

Key words: Petroleum distribution, Accumulation portfolio, Accumulation system, Mahuangshan region.

中图分类号: 

  • TE122.1

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