摘要
1.Objective Large-scale commercial production of shale gas started in Fuling,Changning and Weiyuan areas of the Sichuan Basin (Zou et al.,2016)since 2010.The most notable shale gas success is the Longmaxi organic rich Shale in Jiaoshiba field, Sichuan Basin.The Yichang slope is located in the north of middle Yangtze region.This eastward dipping slope is a new prospective area for shale gas exploration in recent 5 years.