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天然气地球科学 ›› 2011, Vol. 22 ›› Issue (1): 38–46.doi: 10.11764/j.issn.1672-1926.2011.01.38

• 天然气地质学 • 上一篇    下一篇

四川盆地须家河组有效源储组合对天然气藏形成的控制作用

王红军, 卞从胜, 施振生   

  1. 中国石油勘探开发研究院，北京 100083
  • 收稿日期:2010-05-16 修回日期:2010-12-29 出版日期:2011-02-10 发布日期:2011-02-10
  • 通讯作者: 王红军whj@petrochina.com.cn E-mail:whj@petrochina.com.cn
  • 作者简介:王红军（1972-），男，新疆奎屯市人，高级工程师，博士，主要从事石油与天然气地质综合研究.
  • 基金资助:

    国家重点基础研究发展计划“973”项目（编号:2007CB209504）资助.

The Control Effect of the Effective Source-Reservoir Combinations to Gas Reservoir Formation in Xujiahe Formation, Sichuan Basin

WANG Hong-Jun, BIAN Cong-Sheng, SHI Zhen-Sheng   

  1. Research Institute of Petroleum Exploration and Development，Beijing 100083,China
  • Received:2010-05-16 Revised:2010-12-29 Online:2011-02-10 Published:2011-02-10

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摘要：

四川盆地须家河组发育3套区域性的泥质烃源岩和致密砂岩储层，构成大面积分布的生储盖组合。通过气藏解剖研究发现，天然气具有近源运移、聚集成藏的特征，受有效源储组合的控制，天然气藏平面分布具有较强的分隔性。以须三段烃源岩和须四段储层为例，通过对砂泥岩组合结构的细致分析，发现有效的源储组合不仅分布在须三段和须四段之间，而且还存在于各层段内部。构成须家河组各段源储组合的源岩质量、生气强度、储层物性及有效厚度是控制成藏的关键因素，在平面上控制天然气的分布。

关键词: 须家河组, 源储组合, 天然气, 成藏, 分布

Abstract:

Xujiahe Formation in Sichuan basin, developed three sets of mudstone source rocks and dense sandstone reservoirs, which are interbedded and distributed in a large area. By analyzing the known typical gas reservoirs, it is clearly that gas migration as well as accumulation occurred near its source rock, and the gas reservoirs′ distribution are greatly separated horizontally, which are controlled by the efficient source reservoir combinations. Careful statistics research was carried out to the sand and mud combination distributed in the T3x3 source rock and T3x4 reservoir rock, and the efficient source\|reservoir combinations not only develop between the T3x3 and T3x4, but also are inside the T3x3 and T3x4 itself. The source rock quality, gas generation intensity, reservoir properties and efficient thickness of source\|reservoir combinations in T3x, decide its efficiency to the gas accumulation and gas reservoirs distribution horizontally.

Key words: Xujiahe Formation, Source-reservoir combinations, Natural gas, Accumulation, Distribution.

中图分类号: 

  • TE122

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