Nonsandstone reservoirs between salt beds of Qianjiang Formation in the Qianjiang Sag of the Jianghan Basin are mainly composed of dolomicrite,glauberite rock,mudstone and their peperite.

组汉盆地潜凹陷潜组盐间段非砂岩储的岩石主要为泥晶白云岩、钙芒硝岩、泥岩积岩,孔渗性普遍较差。