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.

组成江汉江凹陷江组盐间段非砂储的石主要为晶白云、钙芒、及其混积,孔渗性普遍较差。