Effects of pore-throat structures on the fluid mobility in chang 7 tight sandstone reservoirs of longdong area, Ordos Basin

Quanpei Zhang, Yicang Liu, Botao Wang, Jinfeng Ruan, Na Yan, Hua Chen, Qin Wang, Gangwei Jia, Ruinan Wang, Hong Liu, Chengwei Xue, Feilong Liu, Huan Yang, Yushuang Zhu