Temporal and Spatial Evolution of Burial-Hydrocarbon Filling-Diagenetic Process of Deep Volcanic Reservoir in Songliao Basin
详细信息
- 责任者：Luo Jinglan (State Key Laboratory of Continental Dynamics ; Northwest University ; Xi’an 710069 ; China) ; Shao Hongmei
- 刊名：Earth Science Frontiers
- 出版年：2013
- 卷期：20(5
- 关键词：结晶岩类储集层 ; crystalline reservoirs ; 油气充注 ; oil and gas charging ; 松辽平原 ; Songliao Plain
- 页码：p.175-187
- 图表：7 illus., 1 table, 21 refs.
- 分类号：1003
- issnNo：ISSN1005-2321
- isbnNo：CN11-3370/P
摘要
Domestic research on volcanic reservoir diagenesis basically stays in a qualitative static research stage at present.The study of the dynamic process of temporal and spatial evolution of diagenesis and pores for volcanic reservoirs corresponding to burial thermal history-hydrocarbon filling history-structural evolution is still a blank area.The study of the diagenesis and diagenetic evolution process were carried out thoroughly,the diagenetic-hydrocarbon filling sequence of volcanic rocks of the Yingcheng Formation in Songliao Basin was elucidated and the volcanic diagenetic stages were divided in this paper,based upon the observation and description of drilled cores,the identification and quantitative statistics of primary and secondary minerals and pore types under microscope,the measurement of porosity and permeability,image pore throat of volcanic reservoir rocks,X-ray diffraction analysis for clay minerals,observation under scanning electron microscope,and analysis of homogeneous temperature,chemical compositions and fluorescence of diagenetic liquid inclusions in volcanic rocks.The temporal and spatial dynamic evolution process of diagenesis and pores for volcanic reservoir corresponding to burial thermal history-hydrocarbon filling history-geological age-structural evolution was established finally,and impact mechanism of diagenesis and diagenetic process on volcanic reservoir quality was discussed in the paper.This research is of great significance both in theory and practice for understanding the evolution of the volcanic reservoir quality during the geological evolution process of the basin including burialdiagenetic-hydrocarbon accumulation-tectonic setting evolution with geological age,and impact parameters on volcanic reservoir quality,as well as for guiding hydrocarbon exploration and development and predicting prospect hydrocarbon reservoir areas.
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