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.

组成汉盆凹陷组盐间段非砂储的石主要为泥晶白云、钙、泥及其混积,孔渗性普遍较差。