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- Title
海陆过渡相页岩气层系沉积研究进展与页岩气新发现.
- Authors
董大忠; 邱振; 张磊夫; 李树新; 张琴; 李星涛; 张素荣; 刘翰林; 王玉满
- Abstract
The siiccessful scale-beneficial exploitation of marine shale gas in the Sichuan Basin has made China's shale gas step into the fast development lane? and establish the important strategic position in China's energy security. China's marine-continental transitional facies shale gas resources are abundant, which are expected to be the real field in terms of increasing the reserves and enhancing the production of China's shale gas. To date? the exploration and development of transitional shale gas and the study of its geological evaluation are still in the initial stage? and studies regarding unconventional petroleum sedimentology such as the development characteristics and distribution pattern of organic-rich shales? the sedimentary model of transitional shales? and organic matter enrichment mechanism? require further investigation. By defining the relevant concepts and characteristics of transition facies? typical transitional shale gas layers at home and abroad are reviewed? and the research status and new progress of transitional shale sedimentology7 are summarized? revealing the favorable environment for transitional facies organic-rich shales? sedimentaiy model? and the fundamental shale gas reservoir characteristics. The breakthroughs and new discoveries of transitional shale gas in several basins including the Ordos Basin, Sichuan Basin? Bohai Bay Basin and so on are systematically discussed? demonstrating the good pwspects of the transitional facies shale gas exploration and development. Considering the transitional facies shales are often interlavered with coals? it is indicated that shale gas,coalbed methane could be developed in a collective manner? the "volume development" of transitional facies layers could be applied? so as to effectively promote the high quality development of the natural gas industry in China.
- Publication
Acta Sedimentologica Sinica, 2021, Vol 39, Issue 1, p29
- ISSN
1000-0550
- Publication type
Article
- DOI
10.14027/j.issn.1000-0550.2021.002