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原油中痕量化合物的研究进展

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痕量化合物是油气成因、来源、形成环境、次生地球化学改造等研究的重要指示物,随着当前油气研究不断地向非常规储层以及深层储层进发,此类化合物在油气地球化学研究中显得愈发重要.本文综述了近年来原油中痕量化合物的定义、分类,及其在母质来源与形成环境分析、高演化阶段油气成熟度与油源对比、油气运移路径示踪、油气次生地球化学改造等方面的研究进展,总结了基于痕量化合物所建立的原油热裂解、硫酸盐热化学还原反应、气侵改造作用等评价参数的应用现状;同时,指出痕量化合物的形成机理以及寻找具有指示物源意义的痕量分子化合物、加强单体同位素分析是未来的研究重点,并且随着测试技术与研究认识的不断提升或将发现新的过渡型分子化合物.
Trace Compounds in Crude Oil Progress
Trace compounds are important indicators for the study of petroleum genesis,source,formation environment,secondary geochemical alterations,etc.Trace compounds are playing a much more important role in petroleum geochemistry studies as research interests continue to advance to unconventional and deep reservoirs recently.This paper has reviewed the definition and classification of trace compounds in crude oil and their research progress in the analysis of organic material source and formation environment,oil/gas maturity and oil-source correlation at higher maturation stage,tracing of oil/gas migration pathways,and secondary geochemical alteration on oil/gas in recent years.The application of trace compounds-based evaluation parameters for the thermal cracking degree of crude oil,thermochemical sulfate reduction,and gas invasion alterations has also been summarized.It is also proposed that future research will focus on the formation mechanism of trace compounds,the identification of source-indicative trace compounds,and the strengthening of compound-specific isotope analysis.With the continuous improvement of analytical technology and research understanding,potential new compounds in transitional state may be discovered.

crude oiltrace compoundsorganic material sourceoil-source correlationmigration pathway tracingsecondary alteration on oil/gas

韩云浩、朱光有、张志遥、姜振学

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中国石油大学(北京)非常规油气科学技术研究院,北京 102249

中国石油勘探开发研究院,北京 100083

中国地质大学资源学院,武汉 430074

原油 痕量化合物 母质来源 油源对比 运移路径示踪 油气次生改造

国家自然科学基金

41872135

2024

吉林大学学报(地球科学版)
吉林大学

吉林大学学报(地球科学版)

CSTPCD北大核心
影响因子:1.062
ISSN:1671-5888
年,卷(期):2024.54(3)
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