During the research of stress sensitivity damage of low-permeability sandstone gas pool, natural cores are used for the experimental analysis, and empirical equation between absolute permeability and affective pressure is given.

• 在研究低渗透砂岩气藏的压力敏感性损害过程中,利用天然岩心进行压力敏感性实验,分析实验结果,得到了绝对渗透率与有效压力之间的经验方程。