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大王北洼陷精细油源对比

任拥军|卢宁宁|邱隆伟   

  1. 中国石油大学 |地球资源与信息学院| 山东 |东营 257061
  • 收稿日期:2010-05-22 出版日期:2010-07-26 发布日期:2010-07-26
  • 作者简介:任拥军(1968-)|男|山西榆社人|副教授|博士|主要从事石油地质和油气地球化学研究|E-mail:renyongjun126@126.com
  • 基金资助:

    “十五”国家重点科技攻关项目(2001BA605A09)

Oil-Source Rock Correlation in Dawangbei Sag

 REN Yong-jun, LU Ning-ning, QIU Long-wei   

  1. College of Geo-Resources and Information,China University of Petroleum|Dongying|Shandong 257061,China
  • Received:2010-05-22 Online:2010-07-26 Published:2010-07-26

摘要:

应用饱和烃生物标志化合物、芳烃、碳同位素和轻烃等地球化学分析资料,多种方法相结合,详细对大王北洼陷3个油田原油进行了油油和油源对比研究。结果表明:大王北洼陷原油具有4种成因类型,分别为来源于沙四段、沙三段、沙一段烃源岩的“沙三型原油”、“沙四型原油”、“沙一型原油”和来源于2套或3套烃源岩的“混合型原油”。“沙三型原油”分布于大王北油田和大65油田,而其它类型原油在英雄滩油田均有分布,并且以受沙三段烃源岩影响的“混合型”为主。沙三段烃源岩是大王北洼陷的主力烃源岩,主力油层内的石油主要是由该层烃源岩贡献的。不同烃源岩的生烃潜力、埋藏生烃演化历史和圈闭的发育历史共同影响了原油类型的分布。

关键词: 大王北洼陷, 生物标志化合物, 油源对比, 原油类型

Abstract:

Applying satisfied hydrocarbon biomarker , aromatic hydrocarbon, carbon isotope, light hydrocarbon and other geochemistry analytical data, with a combination of many approaches, a detailed research on oil-oil correlation and oil-source correlation in three oil fields in Dawangbei sag was given. The result indicates that, the crude oil in Dawangbei sag has four genetic types, Es3 crude oil from Es3 source rock,  Es4 crude oil from Es4 source rock, Es1 crude oil from Es1 source rock and mixed oils from two series or three series of source rocks. Es3 crude oil distributes on the Dawangbei oil field and Da 65 oil field. Yingxiongtan oil field has all other types of crude oil, which gives priority to mixed oils affected by Es3 source rock. The main source rock in Dawangbei sag, which contributed to the major reservoir, is the Es3 source rock. The distribution of crude oil types was controlled by the genetic potentials of different source rocks, hydrocarbon generation history and development history of traps.

Key words: Dawangbei sag, biomarker, oil-source correlation, types of crude oil

中图分类号: 

  • P618.13
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