沉积盆地深层—超深层成岩动力学:若干研究进展与专属问题  

Research Advances and Specific Scientific Issues of Diagenetic Dynamics in Deeply to Ultra-deeply Buried Sedimentary Basins

作　　者：李忠[1,2] LI Zhong(State Key Laboratory of Lithospheric Evolution,Institute of Geology and Geophysics,Chinese Academy of Sciences,Beijing 100029,China;College of Earth and Planetary Sciences,University of Chinese Academy of Sciences,Beijing 100049,China)

机构地区：[1]中国科学院地质与地球物理研究所岩石圈演化国家重点实验室,北京100029 [2]中国科学院大学地球与行星科学学院,北京100049

出　　处：《沉积学报》2023年第6期1768-1780,共13页Acta Sedimentologica Sinica

基　　金：国家科技重大专项(2017ZX05008-003);中国科学院A类战略性先导科技专项专题(XDA14010201-04)。

摘　　要：【意义】沉积成岩或流体—岩石作用是盆地动力学的重要内容,但相关深层—超深层研究仍真假混淆、疑点重重,核心科学技术问题有待凝练。【进展】主要就含油气盆地具有深层—超深层特色的、与成岩动力学密切相关的若干研究领域进行了梳理,包括盆地类型及物性演变、流体活动属性和效应、成岩动力体制以及高分辨成岩记录表征和判识技术等的研究现状和认识进展。【结论与展望】综合分析成岩动力学研究趋向,认为温度、压力/应力、流体、时间耦合演变是决定盆地充填物成岩演变的基本环境要素,而深层—超深层沉积成岩的流体相态、岩石物理属性演变、流体—岩石作用动力机制等专属性问题应成为目前基础研究前沿的重点。[Significance]Sedimentary diagenesis,or fluid-rock interaction,is an important aspect of basin dynam-ics,but the related research in deeply to ultra-deeply buried basins has many uncertainties and is still confused;the core scientific and technological issues need to be refined.[Progress]This paper mainly reviews several research fields closely related to diagenetic dynamics with deep to ultra-deep characteristics in oil-and gas-bearing basins.It includes the status of current research and progress in understanding basin types and physical property evolution,flu-id activity attributes and effects,diagenetic dynamic regimes,characterization and identification techniques of high-resolution diagenetic records.[Conclusions and prospects]Our thoughts on the research trend of diagenetic dynam-ics are presented:we believe that the coupling evolution of temperature,pressure/stress,fluid and time is the basic environmental factor controlling the diagenetic evolution of basin-filling materials,and that specific issues such as fluid phase behavior,the evolution of the physical properties of rock,and fluid-rock interaction mechanisms in deep-ly to ultra-deeply buried diagenetic systems should become the focus of current fundamental research frontiers.

关 键 词：深层—超深层盆地 流体—岩石作用 成岩动力学 盆地动力学 油气 

分 类 号：P512.2[天文地球—地质学]