Shanle oilfield is an ultra-low permeability coal series interbred reservoir in Tuha field with special geologic condition and complex structures.

• 鄯勒油田是吐哈油区的一个特低渗煤系互层油藏,地质条件特殊,构造复杂。投产以来,由于衰竭式开采,地层压力持续下降,产量下降幅度大。