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鄂尔多斯盆地靖边油田西部延9原油地球化学特征与油源

张海 雷华伟 张涛 白玉彬

张海, 雷华伟, 张涛, 白玉彬. 鄂尔多斯盆地靖边油田西部延9原油地球化学特征与油源[J]. 石油实验地质, 2018, 40(6): 836-842. doi: 10.11781/sysydz201806836
引用本文: 张海, 雷华伟, 张涛, 白玉彬. 鄂尔多斯盆地靖边油田西部延9原油地球化学特征与油源[J]. 石油实验地质, 2018, 40(6): 836-842. doi: 10.11781/sysydz201806836
ZHANG Hai, LEI Huawei, ZHANG Tao, BAI Yubin. Geochemical characteristics of Yan 9 crude oil and oil-source correlation in western Jingbian Oil Field, Ordos Basin[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2018, 40(6): 836-842. doi: 10.11781/sysydz201806836
Citation: ZHANG Hai, LEI Huawei, ZHANG Tao, BAI Yubin. Geochemical characteristics of Yan 9 crude oil and oil-source correlation in western Jingbian Oil Field, Ordos Basin[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2018, 40(6): 836-842. doi: 10.11781/sysydz201806836

鄂尔多斯盆地靖边油田西部延9原油地球化学特征与油源

doi: 10.11781/sysydz201806836
基金项目: 

陕西省自然科学基础研究计划资助项目(2017JM4014)和陕西省教育厅科研计划项目(18JS090)共同资助。

详细信息
    作者简介:

    张海(1982-),男,硕士,高级工程师,从事油田勘探开发工作。E-mail:403837370qq.com。

    通讯作者:

    白玉彬(1981-),男,博士,副教授,从事致密油形成机理与富集规律研究。E-mail:baiyubin@xsyu.edu.cn。

  • 中图分类号: TE122.11

Geochemical characteristics of Yan 9 crude oil and oil-source correlation in western Jingbian Oil Field, Ordos Basin

  • 摘要: 为了明确靖边油田西部延9油藏石油的来源,采用原油物性、族组成、饱和烃色谱及色谱-质谱等方法,分析了延9原油地球化学特征,通过对比本区长7烃源岩与湖盆中心志丹地区长7烃源岩地球化学特征,结合区域地质背景研究了延9油藏石油的来源。结果表明,延9原油饱和烃含量均在60%以上,正构烷烃单峰分布,主峰碳主要以C21为主;生物标志物中C30藿烷占优势,其次为C29藿烷,规则甾烷以C29为主,C27和C28含量相似,呈不对称“V”字型分布。延9原油地球化学特征相似,具有统一的物质来源和演化程度,为淡水条件下弱氧化-还原环境形成的成熟原油。油源对比表明,靖边油田本地长7烃源岩与延9原油具有明显的亲缘关系,延长组沉积时期位于湖盆中心的志丹地区长7烃源岩地化特征与延9原油差异明显。延9油藏的形成主要为本地区长7烃源岩成熟后,经叠置砂体及裂缝系统输导,主要经垂向运移至延9储层,再经过短距离侧向运移至圈闭聚集成藏。

     

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出版历程
  • 收稿日期:  2018-04-16
  • 修回日期:  2018-09-06
  • 刊出日期:  2018-11-28

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