The Sedimentary Micro-Facies Study of the Lower Cambrian Qiongzhusi Formation in Southern Sichuan Basin
详细信息
- 责任者：Li Yanjun (State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation ; Southwest Petroleum University ; Chengdu 610500 ; China) ; Zhao Shengxian
- 刊名：Acta Geologica Sinica
- 出版年：2013
- 卷期：87(8)
- 关键词：页岩气 ; shale gas ; 沉积微相 ; sedimentary microfacies ; 四川盆地 ; Sichuan Basin
- 页码：p.1136-1148
- 图表：10 illus., 1 table, 38 refs.
- 分类号：1003
- issnNo：ISSN0001-5717
- isbnNo：CN11-1951/P
摘要
Shale gas is one of the most important and realistic unconventional gas resources for China’s future.Strengthening the basic research in such field has great significance in the theoretical innovation of shale gas hydrocarbon accumulation,utilization of shale gas mining technology and accurate calculation of resources.Therefore,based on a large number of first-hand information,such as field outcrops data,drilling cores and logging data,organic geochemical analysis and test results for shales,the study analyzed in details the characteristics of shale sedimentary micro-facies and gas bearing of the Lower Cambrian Qiongzhusi Formation in southern Sichuan Basin.Combined with the sedimentary facies marks and logging phase,the results indicate that the muddy deep-water shelf micro-facies is the favorable sedimentary micro-facies for the Quality shale of Lower Cambrian Qiongzhusi Formation in the southern Sichuan basin.
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