The proven reserves mainly concentrate in the middle-shallow layer of the third member of Quantou formation to Nenjiangformation at present.
松辽盆地南部蕴藏着丰富的油气资源，目前探明储量主要集中在泉三段至嫩江组中浅层储层。
2
The Yaojia Station Section in the southeastern Songliao basin consists of the Upper Cretaceous Yaojia Formation to the Member 1 of NenjiangFormation.
详细厘定位于松辽盆地东南区姚家车站剖面的一套上白垩统地层，确认为姚家组至嫩江组一段。
3
The shore-shallow lake and hemi-deep-deep lake develop in the first and second member of Nenjiangformation, and thin bed beach sands distribute fragmentarily.