The lower Wuerhe Formation in the eighth district of Karamay Oil Field is a low porosity and extra low-permeability fractured thick massive conglomerate reservoir.

• 克拉玛依八区下乌尔禾组油藏是一个低孔隙、特低渗透、带裂缝的厚层块状砾岩油藏,采用一套井网开发,开发效果不理想。