源岩、超压和断裂空间匹配对三肇凹陷扶杨油层油成藏的控制作用

源岩、超压和断裂空间匹配对三肇凹陷扶杨油层油成藏的控制作用

王雅春^1|2|王胜男¹

1.大庆石油学院地球科学学院|大庆 163318;2.中国石油大学资源与信息学院|北京 102249

收稿日期:2009-03-25 出版日期:2009-07-26 发布日期:2009-07-26
作者简介:王雅春(1967-)|女|吉林长春人|副教授|在站博士后|主要从事油气资源评价与油气成藏条件研究|E-mail:dqpiwyc@163.com
基金资助:
国家“973”重点基础研究项目（2001CB209104）

Controlling of the Match of Source Rock|Overpressure and Fault on Oil Accumulation of |Fu-Yang Oil Layer in |Sanzhao Depression

WANG Ya-chun^1,2, WANG Sheng-nan¹

1.College of Earth Sciences, Daqing Petroleum Institute, Daqing,Heilongjiang 163318,China;2.Faculty of Geo-Resource and Information, China University of Petroleum, Beijing 102249,China

Received:2009-03-25 Online:2009-07-26 Published:2009-07-26

摘要/Abstract

摘要：

在综合研究三肇凹陷青一段源岩发育及排烃特征、超压及分布特征和T₂源断裂及分布特征源岩、超压和断裂空间匹配关系对油成藏与分布控制作用的基础上:认为青一段源岩和其内超压空间匹配控制着三肇凹陷扶杨油层油成藏分布范围，超压和T₂源断裂配置控制着扶杨油层油聚集深度和层位，超压和T₂源断裂平面配置控制着扶杨油层油聚集的部位。具体表现为：①青一段源岩生成油“倒灌”运移区内T₂源断裂发育的区块使扶杨油层油富集；②青一段源岩生成油“倒灌”运移区内,距T₂源断裂越近，断距越小，越有利于扶杨油层油富集；③青一段源岩生成油“倒灌”运移区内,油主要富集在T₂源断裂的下盘。

关键词: 三肇凹陷, 扶杨油层, 青一段源岩, 超压, T₂源断裂, 空间配置, 油成藏控制作用

Abstract:

Based on the study of K₁qn¹ source rock development and hydrocarbon-expulsion characteristics, overpressure and its distributing characteristicss, T₂ source fault and its distributing characteristics of Fu-Yang oil layer in Sanzhao depression, the match of source rock, overpressure and fault and its controlling effects on hydrocarbon accumulation and distribution have been studied. It is concluded that the match of K₁qn¹ source rock and its internal overpressure controls the range of oil accumulation and distribution, the vertical match of overpressure and T₂ source fault controls the depth and layer of oil accumulation，the plane match of overpressure and T₂ source fault controls the site of oil accumulation in Fuyang oil layer. It is considered that ①oil mainly accumulates in the area where T₂ source fault abundant in the zone of oil migration downward; ②the more closer and the more shorter distance from faults, the more abundant oil is in the zone of oil migration downward; ③oil mainly accumulates in the lower wall of T₂ source fault in the zone of oil migration downward.

Key words: Sanzhao depression, Fu-Yang oil layers, K₁qn¹ source rock, overpressure, T₂ source fault, match, controlling effects on oil accumulation

中图分类号:

P618.13

王雅春, 王胜男. 源岩、超压和断裂空间匹配对三肇凹陷扶杨油层油成藏的控制作用[J]. J4, 2009, 39(4): 656-661.

WANG Ya-chun, WANG Sheng-nan. Controlling of the Match of Source Rock|Overpressure and Fault on Oil Accumulation of |Fu-Yang Oil Layer in |Sanzhao Depression[J]. J4, 2009, 39(4): 656-661.

参考文献

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