夏口断层对惠民南部地区油气成藏的控制作用

吴孔友; 赵仲祥; 崔世凌; 李继岩

夏口断层对惠民南部地区油气成藏的控制作用

1.
中国石油大学(华东)地球资源与信息学院, 山东青岛 266555
2.
中国石化胜利油田分公司物探研究院, 山东东营 257061

基金项目:

国家科技重大专项 2010ZX05001

中央高校基本科研业务费专项 10CX04002A

详细信息

作者简介:
吴孔友(1971-), 男, 博士, 副教授, 从事地质构造与油气成藏研究, E-mail:wukongyou@163.com

中图分类号: TE122.3
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- PDF下载量: 11
- 被引次数: 0
出版历程
- 收稿日期: 2011-12-06
- 刊出日期: 2012-03-28

CONTROLLING OF XIAKOU FAULT ON HYDROCARBON ACCUMULATION IN THE SOUTHERN PART OF HUIMIN DEPRESSION

1.
Faculty of Geo-Resources and Information, China University of Petroleum, Qingdao 266555, China
2.
Geophysical Research Institute, Shengli Oilfield Company, Sinopec, Dongying 257061, China

摘要

摘要: 夏口断层对惠民南部地区的油气成藏起着重要的控制作用。通过岩性对置、泥岩涂抹（R_SG）、紧闭指数等参数对夏口断层封闭性进行定量评价表明，夏口断层不同位置封闭性差异明显。在对夏口断层断面形态分析基础上，结合物理实验模拟，确定夏口断层作为惠民南部地区的运移通道，主要存在东西两个优势方向，目前发现的油气主要集中在这两个方向上。通过分析夏口断层的活动期与油气运移期的配置关系，得出明化镇期伴随主力烃源岩大量排烃，夏口断层成为惠民南部地区主要的油气运移通道。夏口断层东西两端复杂的封闭与开启状态，决定了惠民南部地区油气分布的复杂性。
- 惠民南部地区 /
- 夏口断层 /
- 断层活动性 /
- 断层封闭性 /
- 油气成藏
Abstract: Xiakou fault plays an important role in controlling oil-gas accumulation in Huimin depression. By analyzing the lithologic association on two sides of fault, the mudstone-smearing and fault tightness index, Xiakou fault-sealing is studied quantitatively. The result shows that Xiakou fault sealing varies significantly in different locations. Based on the analysis of the fractured surface form of Xiakou fault, combined with the oil-gas migration simulation experiment, Xiakou fault is determined as the migration path in the south Huimin depression. It is found that Xiakou fault has two dominant migration channels, which contain most of the oil and gas. According to the relationship between faulting stage and hydrocarbon migration period of Xiakou fault, Xiakou fault accounts for the major oil and gas migration pathways in the south of Huimin depression, with the main hydrocarbon source rocks rowing in bulk. The complex closure property of Xiakou fault leads to the uneven oil-gas distribution in the south of Huimin depression.
- southern part of Huimin depression /
- Xiakou fault /
- fault activity /
- fault sealing /
- hydrocarbon accumulation

HTML全文

图 1 夏口断层平面及剖面图

Figure 1. The plane and profile map of Xiakou fault

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图 2 夏口断层活动期与油气运移期的匹配关系

Figure 2. Matching relationship between faulting activity of Xiakou fault and hydrocarbon migration

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图 3 夏口断层断面形态及油气运移模拟实验

Figure 3. Fault surface shape of Xiakou fault and hydrocarbon migration simulation experiment

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图 4 夏口断层Allan图

Figure 4. The Allan map of Xiakou fault

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图 5 夏口断层沙三段R_SG分布

Figure 5. The R_SG distribution of the third member of Shahejie Formation of Xiakou fault

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图 6 惠民南部地区油气垂向分布

Figure 6. Vertical distribution of oil and gas in the south of Huimin depression

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图 7 夏口断层紧闭指数分布

Figure 7. The tightness index distribution of Xiakou fault

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