Implication of Sedimentary Facies and Shale Gas Accumulation in the Lower Silurian Longmaxi Formatio

• 作 者: FENG Mingyou ZENG Zhen WANG Xingzhi ZHANG Fan LI Yizhen LI Ke
• 机 构: Southwest Petroleum University,CCDC geological exploration & development research institute,
• 出 处: Acta Geologica Sinica(English Edition)
• 发表日期: 2015年S1期
• 关键词: Silurian shale Lower tectonic producing prospect mudstone steep Eastern facies

1 Introduction The Lower Silurian Longmaxi Formation is the most prolific shale gas producing unit in the Sichuan Basin by the large thickness and rich resources,which also indicate a bright exploration prospect for the unconventional shale gas.Eastern Sichuan region,the relatively active high and steep structural belt between the stable massifs in Sichuan basin(Fig.1),is influenced by the factors of deepburied,intense tectonic reworking and fault development.Previous research is

1 Introduction The Lower Silurian Longmaxi Formation is the most prolific shale gas producing unit in the Sichuan Basin by the large thickness and rich resources, which also indicate a bright exploration prospect for the unconventional shale gas. Eastern Sichuan region, the relatively active high and steep structural belt between the stable massifs in Sichuan basin (Fig.1), is influenced by the factors of deepburied, intense tectonic reworking and fault development .Previous research is