The coring data, well logging, seismic data and analytical data were comprehensive analyzed. The Jurassic sequence stratigraphic features of the western slope of Changji sag in Juggar basin were discussed.

• 在对地震、岩心、钻井、测井及分析化验资料综合分析的基础上 ,研究了准噶尔盆地昌吉凹陷西斜坡侏罗系的层序地层特征。