石千峰组又分为三段：平顶山砂岩段、瓣鳃泥灰岩段及石膏钙核段。
The Shiqianfeng Formation is subdivided into three members, namely, Pingdingshan sandstone, Lamellibranchiate marl and gypsum lime-nodule.
组成江汉盆地潜江凹陷潜江组盐间段非砂岩储层的岩石主要为泥晶白云岩、钙芒硝岩、泥岩及其混积岩，孔渗性普遍较差。
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.
丰谷须四段钙屑砂岩储层具有低伽玛、高电阻、高波阻抗等特点，储层含气后波阻抗值有所降低，但仍高于或接近于泥岩。
The calcarenaceous sandstone reservoir in the 4th Member of Xujiahe Formation in Fenggu area are of the characteristics of low GR, high resistance and high impedance.
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