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中南大学学报(自然科学版)

Journal of Central South University

第45卷    第12期    总第244期    2014年12月

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文章编号:1672-7207(2014)12-4308-09
源外隆起区输导脊对油气运聚成藏的控制作用—以大庆长垣杏北地区扶余油层为例
孙同文1, 2,付广1,王芳3,张鲁庭4,席国兴3,吕延防1

(1. 东北石油大学 地球科学学院,黑龙江 大庆,163318;
2. 中国地质大学(武汉) 构造与油气资源教育部重点实验室,湖北 武汉,430074;
3. 大庆油田有限责任公司第四采油厂,黑龙江 大庆,163511;
4. 中国石油辽河油田勘探开发研究院,辽宁 盘锦,124000
)

摘 要: 大庆长垣杏北地区扶余油层是源外油气运聚成藏的一个典型实例,查明其成藏规律,可以为区域油气勘探部署服务和国内外同类研究参考。通过综合分析油气来源、构造特征及断裂-砂体匹配的关系,并应用地层原油高压物性数据和井壁取心等资料进行运移示踪。结果表明:输导脊对油气成藏具有重要的控制作用。研究区油气来自西侧齐家凹陷南部青山口组一段源岩,生、排油高值区分别位于西北和西南部;油气运移共存在3类优势通道,分别是西北斜坡区断层-岩性输导脊、中央背斜轴部背斜-岩性输导脊和西南斜坡区岩性输导脊,其中,中央背斜轴部的输导脊是最优越的油气运移通道。受输导脊控制,油气主要在背斜轴部附近及西部陡坡带发生运移,而东部缓坡带不发生运移;油气主要沿输导脊富集成藏,背斜轴部局部构造高点和西南斜坡区反向断层下盘是油气富集的主要部位。

 

关键词: 输导脊;油气运移通道;扶余油层;杏北地区;大庆长垣

Control effect of transporting ridge in hydrocarbon accumulation in uplift area outside of source area: A case study of Fuyu oil layer in Xingbei Region, Daqing placanticline
SUN Tongwen1, 2, FU Guang1, WANG Fang3, ZHANG Luting4, XI Guoxing3, Lü Yanfang1

1. College of Earth Sciences, Northeast Petroleum University, Daqing 163318, China;
2. Key Laboratory of Tectonics & Petroleum Resources, Ministry of Education,
China University of Geosciences, Wuhan 430074, China;
3. Fourth Oil Recovery Plant of Oil Field Corporation, Ltd., Daqing 163511, China;
4. Research Institute of Petroleum Exploration & Production, Liaohe Oilfield Company of CNPC, Panjin 124000, China

Abstract:Fuyu oil layer in Xingbei Region of Daqing placanticline is a typical example of hydrocarbon migration and accumulation outside of source area, identifying the accumulation rule can refer to the regional hydrocarbon exploration services and the deployment of a similar study domestic and foreign. A comprehensive analysis of petroleum sources, tectonic character and matching relation between faultsand body was made. And physical properties data of in-place oil in high pressure and sidewall coring data were used as migtation “tracers”. The results show that hydrocarbon resource is Mermber 1 of Qingshankou Group in southern Qijiagulong Depression and high value area sof hydrocarbon generation and expulsion located in northwest and southwest to study area respectively. The three kinds of advantage migration channels respectively are fault-lithological transporting ridge in northwest slope zone, anticline-lithological transporting ridges in central anticline axial region and lithological transporting ridges in southwest slope zone. Among them, the most advantage migration channels are anticline-lithological transporting ridges in central anticline axial region. Oil and gas mainly migrate around anticline axial region and western steep slope belt, but not in eastern gentle slope belt, with the restriction of transporting ridges. Oil and gas reservoirs are formed mainly along transporting ridges. Main enrichment sites are local structural highs in anticline axial region and the footwall area of antithetic fault in southwest slope zone.

 

Key words: transporting ridge; migration pathway; Fuyu oil layer; Xingbei Region; Daqing placanticline

中南大学学报(自然科学版)
  ISSN 1672-7207
CN 43-1426/N
ZDXZAC
中南大学学报(英文版)
  ISSN 2095-2899
CN 43-1516/TB
JCSTFT
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