In Yimeng upwelling area of the northern Ordos basin,especially its Hangjinqi-Dongsheng area,a lot of traps are developed.These traps are reservoirs of oil-gas.

• 鄂尔多斯盆地北部的伊盟隆起区,特别是杭锦旗至东胜一带的地层发育大量的圈闭,它们是油气聚集成藏的场所。