There are large areal clastic reservoirs in the Permian,Triassic and Jurassic in eastern part of southern margin of Junggar basin.

• 准噶尔盆地南缘东段二叠系、三叠系以及侏罗系大面积分布碎屑岩储集层,其沉积环境多变,非均质性明显。