西南石油大学学报(自然科学版) ›› 2006, Vol. 28 ›› Issue (5): 11-14.DOI: 10.3863/j.issn.1000-2634.2006.05.003

• 地质勘探 • 上一篇    下一篇

生物标志化合物在油源对比中的局限性

陈世加a 张宇a 路俊刚a 吴恩伟b 冉乙钧b   

  1. 西南石油大学: a. 资源与环境学院,b. 研究生院,四川 成都 610500
  • 收稿日期:2005-11-03 修回日期:1900-01-01 出版日期:2006-10-20 发布日期:2006-10-20
  • 通讯作者: 陈世加

LIMITATION OF BIOMARKERS IN THE OIL SOURCE CORRELATION

CHEN Shi-jia ZHANG Yu LU Jun-gang   

  1. Southwest Petroleum University, Chengdu Sichuan 610500, China
  • Received:2005-11-03 Revised:1900-01-01 Online:2006-10-20 Published:2006-10-20
  • Contact: CHEN Shijia

摘要: 生物标志化合物是油源对比时最常用的方法,其在不同成熟阶段含量存在很大差异,对于多源或多期混合形成的油藏,单纯依靠其进行油源对比易造成油源误判。准噶尔盆地西北缘红车地区油藏,为多期多源油气充填形成,由于过分依靠生物标志化合物,而且没有注意到不同演化阶段其含量的变化,不同的学者得到了不同结果。将原油轻烃和生物标志化合物联用,有效地解决了该区的油源问题,并指出该区二叠系风城组和乌尔禾组来源的油的分布具有明显规律性,即红车断阶带中北段的二叠系和石炭系储层的油属于高成熟腐泥型油,来自风城组烃源岩;中南段侏罗系和白垩系的油属于偏腐殖型成熟原油,来自乌尔禾组烃源岩。

关键词: 生物标志化合物, 油源对比, 局限性, 原油轻烃, 红车地区, 准噶尔盆地 

Abstract: Biomarkers is the most common material in oil-source correlation. It is easy to result in the wrong oilsource correlation for multisource or multiple accumulations reservoir because of the obviously different content of biomarkers at different mature stages. Because only biomarkers are used and changed content of biomarkers ignored in different stages, different people give the different result to the oil-source correlation of Hongche oil field in zhunger basin. The auther integrates light hydrocarbons and biomarkers to resolve the oil-source correlation effectively in Hongche oil field. The result that the oil distribution has the obvious regularity are given and the oil of the Permian and Carboniferous stratum of the north section of the fault block belt is pointed out to be from Fengcheng group hydrocarbon source rock; Oil of Jurassic and Cretaceous stratum in South central section comes from Wuerhe hydrocarbon source rock, and belongs to the mature crude oil.

Key words: biomarkers, oilsource correlation, limitation, light hydrocarbons, Hongche Area, Zhungaer Basin

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